commit 13289dde6465f0d240d10d98d518d59720d392b1
Author: Frae19 <515745323@qq.com>
Date:   Thu Oct 31 17:01:24 2024 +0800

    Initial commit

diff --git a/.gitea/workflows/test.yaml b/.gitea/workflows/test.yaml
new file mode 100644
index 0000000..6cb571f
--- /dev/null
+++ b/.gitea/workflows/test.yaml
@@ -0,0 +1,27 @@
+name: Gitea Actions Experiment Test
+run-name: 实验自动评测 Actions 🚀
+on: [push]
+
+jobs:
+  Experiment-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 检出代码
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: 安装依赖
+        run: |
+          python -m venv ./.venv
+          . ./.venv/bin/activate
+          curl -s -o pip_cache.tar.gz ${{ vars.BACKEND_URL }}/download/pip_cache.tar.gz
+          tar -zxf pip_cache.tar.gz
+          pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
+          rm -rf horse-colic.data horse-colic.test main.py
+          curl -s -o main.py ${{ vars.BACKEND_URL }}/public/experiment/logreg/main.py
+          curl -s -o horse-colic.data ${{ vars.BACKEND_URL }}/public/experiment/logreg/horse-colic.data
+          curl -s -o horse-colic.test ${{ vars.BACKEND_URL }}/public/experiment/logreg/horse-colic.test
+      - name: 评测结果
+        run: |
+          . ./.venv/bin/activate
+          python main.py
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b415143
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+__pycache__
+main.py
+病马数据集*
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..2fcae54
--- /dev/null
+++ b/README.md
@@ -0,0 +1,60 @@
+# 实验二：对率回归与预测病马死亡
+
+## 实验说明
+
+- 自行在 [`function.py`](./function.py) 中编写实现数据加载与预测病马死亡的对率回归算法。
+
+所有成功上传的评测结果均会被记录，但不会公开展示。
+
+评测次数不限，最终评测成绩取**最高分**。
+
+## 注意事项
+
+挑战赛与实验为两个**不同**的仓库，注意不要混淆！
+
+- 实验仓库，开头名称统一为 `Experiment`
+  - **有截止时间限制**！
+  - 记录成绩但不公开，并且**是实验成绩的一部分**。
+  - 最终成绩取最高分。
+- 挑战赛仓库，开头名称统一为 `Challenge`
+  - 无截止时间限制。
+  - 公开展示排行榜和最近的评测信息。
+
+---
+
+实验开始前必须在 [`function.py`](./function.py#L28-L29) 中填写自己的学号和姓名！
+
+- 可以自行导入其他库，需要在 [`requirements.txt`](./requirements.txt) 添加依赖，若未在 [`requirements.txt`](./requirements.txt) 中添加使用到的依赖，则无法自动评测，**不记录成绩**。
+- 需要在 [`function.py`](./function.py) 中实现完整的对率回归算法。
+- 若需设置其它参数，必须设置其默认值，否则将**无法通过**自动评测，**成绩为零**。
+- 自动评测脚本仅会加载 `train_logreg`、`predict_logreg` 和 `load_data` 函数，请勿修改函数名。
+- 本地调试完成后，**需要更新提交代码**，否则无法自动评测，**没有实验成绩**。
+- 评测的运行时间受机器性能影响，运行时间仅供参考。
+- 若有评测相关问题，请在[项目工单](https://git.intcplab.cn/LufsX/Evaluation-Backend/issues)处提出，或联系 QQ: `1968647927`。
+
+代码提交后会进行自动评测，评测所用的环境如下：
+
+- CPU: Intel Xeon(R) CPU E3-1231 v3 @ 3.40GHz
+- OS: Ubuntu 22.04.4 LTS
+- Python: 3.10.12
+- numpy: 2.1.1
+
+## 实验操作
+
+本次实验自带数据集，数据集在对应的 `data` 文件夹下。
+
+本次实验强烈建议将代码克隆/下载到本地进行实验调试。
+
+---
+
+注意 ⚠️
+
+若要完成实验，请确保是在**本页面**点击「使用模版」来创建仓库，新仓库名称建议与本模版名称 `Experiment-LogReg` 相同，其余操作参见[挑战赛的说明](https://git.intcplab.cn/LufsX/Challenge-kNN#挑战操作)。
+
+若要完成实验，评测时检查创建完成的**仓库信息**是否正确，本次实验标题为「**实验二：对率回归与预测病马死亡**」！
+
+## 其它
+
+若有流程、优化等相关建议和问题，欢迎在[评测后端项目工单](https://git.intcplab.cn/LufsX/Evaluation-Backend/issues)中提出。
+
+同时欢迎参与[评测后端](https://git.intcplab.cn/LufsX/Evaluation-Backend)的开发与优化！
diff --git a/data/Index b/data/Index
new file mode 100755
index 0000000..6088203
--- /dev/null
+++ b/data/Index
@@ -0,0 +1,7 @@
+Index of horse-colic
+
+02 Dec 1996      212 Index
+19 Jul 1992     9045 horse-colic.names
+17 Jul 1992    25437 horse-colic.data
+17 Jul 1992     9599 horse-colic.names.original
+17 Jul 1992     5807 horse-colic.test
diff --git a/data/horse-colic.data b/data/horse-colic.data
new file mode 100755
index 0000000..9b49beb
--- /dev/null
+++ b/data/horse-colic.data
@@ -0,0 +1,300 @@
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+1 1 530402 ? 120 ? 4 3 6 2 5 4 4 ? ? ? 4 5 57.00 4.50 3 3.90 2 1 03205 00000 00000 1 
+1 1 529424 37.80 48 28 1 1 1 2 1 2 1 2 ? ? 1 1 46.00 5.90 2 7.00 1 2 00000 00000 00000 1 
+1 1 534519 37.1 84 40 3 3 6 1 2 4 4 3 2 2 4 5 75 81 ? ? 3 2 01400 00000 00000 2 
+2 1 535246 ? 80 32 3 3 2 1 2 3 3 2 1 ? 3 ? 50 80 ? ? 1 1 00000 00000 00000 2 
+1 1 534115 38.2 48 ? 1 3 3 1 3 4 4 1 3 2 4 5 42 71 ? ? 1 1 03111 00000 00000 2 
+2 1 530001 38.00 44 12 2 1 3 1 3 4 3 1 2 6.50 1 4 33.00 6.50 ? ? 2 1 02209 00000 00000 2 
+1 1 529272 38.30 132 ? ? 3 6 2 2 4 2 2 3 6.20 4 4 57.00 8.00 ? 5.20 1 1 02112 00000 00000 1 
+2 1 535314 38.7 48 24 ? ? ? ? 1 1 ? 1 1 ? 1 ? 34 63 ? ? 1 2 00000 00000 00000 2 
+2 1 533793 38.9 44 14 3 1 1 1 2 3 2 ? ? ? ? 2 33 64 ? ? 1 2 00000 00000 00000 2 
+1 1 529399 39.30 ? ? 4 3 6 2 4 4 2 1 3 4.00 4 4 75.00 ? 3 4.30 2 1 02207 00000 00000 1 
+1 1 533836 ? 100 ? 3 3 4 2 ? 4 4 2 1 2 ? ? 68 64 3 2 1 1 02209 00000 00000 2 
+2 1 528804 38.60 48 20 3 1 1 1 1 3 2 2 1 ? 3 2 50.00 7.30 1 ? 1 2 03111 00000 00000 1 
+2 1 535163 38.8 48 40 1 1 3 1 3 3 4 2 ? ? ? 5 41 65 ? ? 1 1 04124 00000 000000 2 
+2 1 528247 38.00 48 20 3 3 4 1 1 4 2 2 ? 5.00 ? 2 49.00 8.30 1 ? 1 2 00400 00000 00000 1 
+2 1 528996 38.60 52 20 1 1 1 1 3 3 2 1 1 ? 1 3 36.00 6.60 1 5.00 1 2 00000 00000 00000 1 
+1 1 533928 37.8 60 24 1 ? 3 2 ? 4 4 2 3 2 ? 5 52 75 ? ? 3 1 02205 00000 00000 2 
+2 1 528248 38.00 42 40 3 1 1 1 3 3 1 ? ? ? ? ? ? ? ? ? 1 2 03111 00000 00000 2 
+2 1 528134 ? ? 12 1 1 2 1 2 1 2 3 1 ? 1 3 44.00 7.50 2 ? 1 2 00000 00000 00000 1 
+1 1 527916 ? ? ? ? ? ? ? 4 ? ? 1 1 ? ? 5 35 58 2 1 1 1 04205 00000 00000 2 
+1 1 530431 38.30 42 24 ? ? ? 1 ? ? ? ? ? ? ? ? 40.00 8.50 ? ? 2 1 07113 00000 00000 2 
+2 1 535176 39.5 60 10 3 ? ? 2 3 3 2 2 1 ? 3 ? 38 56 1 ? 1 2 00000 00000 00000 2 
+1 1 533942 38 66 20 1 3 3 1 5 3 1 1 1 ? 3 ? 46 46 3 2 3 1 06209 00000 00000 2 
+1 1 528523 38.70 76 ? 1 1 5 2 3 3 2 2 2 ? 4 4 50.00 8.00 ? ? 1 1 02208 00000 00000 1 
+1 1 534925 39.4 120 48 ? ? 5 1 ? 3 3 1 ? ? 4 ? 56 64 1 2 3 2 01400 00000 00000 2 
+1 1 527916 38.30 40 18 1 1 1 1 3 1 1 ? ? ? 2 1 43.00 5.90 1 ? 1 2 00000 00000 00000 1 
+2 1 528299 ? 44 24 1 1 1 1 3 3 1 2 1 ? ? 1 ? 6.30 ? ? 1 2 03111 00000 00000 2 
+1 1 530254 38.40 104 40 1 1 3 1 2 4 2 2 3 6.50 ? 4 55.00 8.50 ? ? 1 1 02124 00000 00000 2 
+1 1 535085 ? 65 24 ? ? ? 2 5 ? 4 3 1 ? ? 5 ? ? ? ? 3 1 03205 00000 00000 2 
+2 1 532985 37.5 44 20 1 1 3 1 ? 1 1 ? ? ? 1 ? 35 7.2 ? ? 1 2 00000 00000 00000 2 
+2 1 527677 39.00 86 16 3 3 5 ? 3 3 3 ? 2 ? ? ? 68.00 5.80 3 6.00 2 1 05400 00000 00000 1 
+1 1 535292 38.5 129 48 3 3 3 1 2 4 3 1 3 2 ? ? 57 66 3 2 1 1 02206 00000 00000 2 
+1 1 529729 ? 104 ? 3 3 5 2 2 4 3 ? 3 ? 4 4 69.00 8.60 2 3.40 2 1 02207 00000 00000 1 
+2 1 518476 ? ? ? 3 4 6 ? 4 ? 4 ? ? ? ? ? ? ? ? ? 2 1 03400 00000 00000 1 
+1 1 527929 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1 1 02208 00000 00000 2 
+1 1 535130 38.2 60 30 1 1 3 1 3 3 1 2 1 ? 3 2 48 66 ? ? 1 1 06112 00000 00000 2 
+1 1 523190 ? 68 14 ? ? 4 1 4 ? ? ? 1 4.30 ? ? ? ? 2 2.80 2 1 04205 00000 00000 1 
+1 1 533968 ? 60 30 3 3 4 2 5 4 4 1 1 ? 4 ? 45 70 3 2 1 1 06111 03111 00000 2 
+2 1 528151 38.50 100 ? 3 3 5 2 4 3 4 2 1 ? 4 5 ? ? ? ? 3 2 01111 00000 00000 1 
+1 1 530239 38.40 84 30 3 1 5 2 4 3 3 2 3 6.50 4 4 47.00 7.50 3 ? 2 1 02300 00000 00000 2 
+2 1 528305 37.80 48 14 ? ? 1 1 3 ? 2 1 3 5.30 1 ? 35.00 7.50 ? ? 1 2 03111 00000 00000 1 
+1 1 5279822 38.00 ? 24 3 3 6 2 5 ? 4 1 1 ? ? ? 68.00 7.80 ? ? 2 1 02205 00000 00000 2 
+2 1 534857 37.8 56 16 1 1 2 1 2 1 1 2 1 ? 1 ? 44 68 1 1 1 2 00000 00000 00000 2 
+2 1 534053 38.2 68 32 2 2 2 1 1 1 1 3 1 ? 1 1 43 65 ? ? 1 2 00000 00000 00000 2 
+1 1 534833 38.5 120 60 4 3 6 2 ? 3 ? ? ? ? ? ? 54 ? ? ? 1 1 05400 00000 00000 2 
+1 1 5278331 39.30 64 90 2 3 1 1 ? 3 1 1 2 ? ? ? 39.00 6.70 ? ? 1 1 21110 00000 00000 2 
+1 1 527365 38.40 80 30 4 3 1 1 3 3 3 3 3 ? 4 5 32.00 6.10 3 4.30 1 1 07209 00000 00000 1 
+1 1 533887 38.5 60 ? 1 1 ? 1 ? 1 1 ? ? ? ? ? 33 53 1 ? 1 1 04111 00000 00000 2 
+1 1 5299603 38.30 60 16 3 1 1 1 2 1 1 2 2 3.00 1 4 30.00 6.00 1 3.00 1 1 31110 00000 00000 2 
+1 1 528742 37.10 40 8 ? 1 4 1 3 3 1 1 1 ? 3 3 23.00 6.70 3 ? 1 1 03133 00000 00000 1 
+2 9 5287279 ? 100 44 2 1 1 1 4 1 1 ? ? ? 1 ? 37.00 4.70 ? ? 1 2 07111 00000 00000 2 
+1 1 534788 38.2 48 18 1 1 1 1 3 3 3 1 2 ? 4 ? 48 74 1 2 1 1 05111 00000 00000 2 
+1 1 529373 ? 60 48 3 3 4 2 4 3 4 ? ? ? ? ? 58.00 7.60 ? ? 2 1 03205 00000 00000 2 
+2 1 534163 37.9 88 24 1 1 2 1 2 2 1 ? ? ? 4 1 37 56 ? ? 1 2 00000 00000 00000 2 
+2 1 533697 38.0 44 12 3 1 1 ? ? 1 2 ? ? ? 1 ? 42 64 ? ? 1 2 00000 00000 00000 2 
+2 1 529628 38.50 60 20 1 1 5 2 2 2 1 2 1 ? 2 3 63.00 7.50 2 2.30 3 2 00300 00000 00000 1 
+2 1 521399 38.50 96 36 3 3 ? 2 2 4 2 1 2 ? 4 5 70.00 8.50 ? ? 2 1 01400 00000 00000 1 
+2 1 533885 38.3 60 20 1 1 1 2 1 3 1 ? ? ? 3 ? 34 66 ? ? 1 2 00000 00000 00000 2 
+2 1 534157 38.5 60 40 3 1 2 1 2 1 2 ? ? ? 3 2 49 59 ? ? 1 2 00000 00000 00000 2 
+1 1 528047 37.30 48 12 1 ? 3 1 3 1 3 2 1 ? 3 3 40.00 6.60 2 ? 1 1 03205 00000 00000 1 
+1 1 528641 38.50 86 ? 1 1 3 1 4 4 3 2 1 ? 3 5 45.00 7.40 1 3.40 2 1 03209 00000 00000 1 
+1 1 534073 37.5 48 40 ? ? ? ? ? ? ? 1 1 ? ? 5 41 55 3 2 3 1 02208 00000 00000 2 
+2 1 529685 37.20 36 9 1 1 1 1 2 3 1 2 1 ? 4 1 35.00 5.70 ? ? 1 2 31110 00000 00000 2 
+1 1 529528 39.20 ? 23 3 1 3 1 4 4 2 2 ? ? ? ? 36.00 6.60 1 3.00 1 1 03115 00000 00000 1 
+2 1 528151 38.50 100 ? 3 3 5 2 4 3 4 2 1 ? 4 5 ? ? ? ? 3 2 04124 00000 00000 2 
+1 1 535137 38.5 96 30 2 3 4 2 4 4 3 2 1 ? 3 5 50 65 ? ? 1 1 06111 03112 00000 2 
+1 1 530297 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 45.00 8.70 ? ? 2 1 02208 00000 00000 2 
+1 1 535338 37.8 88 80 3 3 5 2 ? 3 3 2 3 ? 4 5 64 89 ? ? 3 1 03205 00000 00000 2 
+2 1 534478 37.5 44 10 3 1 1 1 3 1 2 2 ? ? 3 3 43 51 1 1 1 2 00000 00000 00000 2 
+1 1 530401 37.90 68 20 ? 1 2 1 2 4 2 ? ? ? 1 5 45.00 4.00 3 2.80 2 1 05400 00000 00000 1 
+1 1 529893 38.00 86 24 4 3 4 1 2 4 4 1 1 ? 4 5 45.00 5.50 1 10.10 2 1 03111 00000 00000 1 
+1 9 5294369 38.90 120 30 1 3 2 2 3 3 3 3 1 3.00 ? ? 47.00 6.30 1 ? 1 2 02124 00000 00000 2 
+1 1 528183 37.60 45 12 3 1 3 1 ? 2 2 2 1 ? 1 4 39.00 7.00 2 1.50 1 1 02112 00000 00000 1 
+2 1 529183 38.60 56 32 2 1 1 1 1 1 1 2 ? ? 2 ? 40.00 7.00 2 2.10 1 2 00000 00000 00000 1 
+1 1 529135 37.80 40 12 1 1 1 1 1 2 1 2 1 ? 1 2 38.00 7.00 ? ? 1 1 03111 00000 00000 2 
+2 1 528977 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1 2 00000 00000 00000 2 
+1 1 5279441 38.00 76 18 ? ? ? 2 ? ? ? ? ? ? ? ? 71.00 11.00 ? ? 1 1 02209 00000 00000 1 
+1 1 535240 38.1 40 36 1 2 2 1 2 2 ? ? ? ? ? ? ? ? ? ? 3 1 03112 00000 00000 2 
+1 1 529736 ? 52 28 3 3 4 1 3 4 3 2 1 ? 4 4 37.00 8.10 ? ? 1 1 02111 00000 00000 2 
+1 1 535029 39.2 88 58 4 4 ? 2 5 4 ? ? ? ? ? ? ? ? 2 2 3 2 03205 00000 00000 2 
+1 1 535031 38.5 92 40 4 3 ? 1 2 4 3 ? ? ? 4 ? 46 67 2 2 1 1 02208 00000 00000 2 
+1 1 528800 ? 112 13 4 4 4 1 2 3 1 2 1 4.50 4 4 60.00 6.30 3 ? 1 1 02205 00000 00000 1 
+1 1 528178 37.70 66 12 1 1 3 1 3 3 2 2 ? ? 4 4 31.50 6.20 2 1.60 1 1 02208 00000 00000 1 
+1 1 535392 38.8 50 14 1 1 1 1 3 1 1 1 1 ? 3 5 38 58 ? ? 1 1 03111 00000 00000 2 
+2 1 528931 38.40 54 24 1 1 1 1 1 3 1 2 1 ? 3 2 49.00 7.20 1 8.00 1 2 03111 00000 00000 1 
+1 1 528503 39.20 120 20 4 3 5 2 2 3 3 1 3 ? ? 4 60.00 8.80 3 ? 2 1 02205 00000 00000 2 
+1 9 5289419 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 45.00 6.50 2 ? 1 1 09000 00000 00000 1 
+1 1 535196 37.3 90 40 3 ? 6 2 5 4 3 2 2 ? 1 5 65 50 3 2 3 1 03205 00000 00000 2 
+1 9 534597 38.5 120 70 ? ? ? ? ? 1 ? 2 ? ? 1 ? 35 54 1 1 1 1 04205 03111 02209 2 
+1 1 534280 38.5 104 40 3 3 ? 1 4 3 4 ? ? ? ? ? ? ? ? ? 1 1 02124 00000 00000 2 
+2 1 530028 39.50 92 28 3 3 6 1 5 4 1 ? 3 ? 4 ? 72.00 6.40 ? 3.60 2 2 03300 00000 00000 2 
+1 1 5262543 38.50 30 18 ? ? ? ? ? ? ? ? ? ? ? ? 40.00 7.70 ? ? 1 1 02113 00000 00000 2 
+1 1 530526 38.30 72 30 4 3 3 2 3 3 3 2 1 ? 3 5 43.00 7.00 2 3.90 1 1 03113 00000 00000 1 
+2 1 528729 37.50 48 30 4 1 3 1 ? 2 1 1 1 ? 1 1 48.00 8.60 ? ? 1 2 00400 00000 00000 2 
+1 1 528469 38.10 52 24 1 1 5 1 4 3 1 2 3 7.00 1 ? 54.00 7.50 2 2.60 2 1 02206 00000 00000 1 
+2 1 528179 38.20 42 26 1 1 1 1 3 1 2 ? ? ? 1 ? 36.00 6.90 ? ? 1 2 03111 00000 00000 2 
+2 1 533750 37.9 54 42 2 1 5 1 3 1 1 ? 1 ? ? 2 47 54 3 1 1 2 00000 00000 00000 2 
+2 1 528702 36.10 88 ? 3 3 3 1 3 3 2 2 3 ? ? 4 45.00 7.00 3 4.80 3 1 02209 00000 00000 1 
+1 1 534183 38.1 70 22 ? 1 ? 1 5 3 ? ? ? ? ? 5 36 65 ? ? 3 1 03205 00000 00000 2 
+1 1 529160 38.00 90 30 4 3 4 2 5 4 4 ? ? ? 4 5 55.00 6.10 ? ? 2 1 03205 00000 00000 2 
+1 1 529045 38.20 52 16 1 1 2 1 1 2 1 1 1 ? 1 ? 43.00 8.10 ? ? 1 2 00000 00000 00000 1 
+1 1 530354 ? 36 32 1 1 4 1 5 3 3 2 3 4.00 ? 4 41.00 5.90 ? ? 2 1 02205 00000 00000 2 
+1 1 5281091 38.40 92 20 1 ? ? 2 ? 3 3 ? ? ? 1 ? ? ? ? ? 1 1 02208 00000 00000 1 
+1 9 5291409 38.20 124 88 1 3 2 1 2 3 4 ? ? ? ? ? 47.00 8.00 1 ? 1 1 09400 00000 00000 1 
+2 1 528904 ? 96 ? 3 3 3 2 5 4 4 ? 1 ? 4 5 60.00 ? ? ? 2 1 41110 00000 00000 2 
+1 1 530366 37.60 68 32 3 ? 3 1 4 2 4 2 2 6.50 1 5 47.00 7.20 1 ? 1 1 03209 00000 00000 2 
+1 1 530170 38.10 88 24 3 3 4 1 5 4 3 2 1 ? 3 4 41.00 4.60 ? ? 2 1 02209 00000 00000 2 
+1 1 527709 38.00 108 60 2 3 4 1 4 3 3 2 ? ? 3 4 ? ? 3 ? 1 1 02205 00000 00000 2 
+2 1 528169 38.20 48 ? 2 ? 1 2 3 3 1 2 1 ? ? 2 34.00 6.60 ? ? 1 2 03111 00000 00000 2 
+1 1 535043 39.3 100 51 4 4 6 1 2 4 1 1 3 2 ? 4 66 13 3 2 3 1 02113 00000 00000 2 
+2 1 527940 36.60 42 18 3 3 2 1 1 4 1 1 1 ? ? 5 52.00 7.10 ? ? 2 1 05111 00000 00000 2 
+1 9 5291719 38.80 124 36 3 1 2 1 2 3 4 1 1 ? 4 4 50.00 7.60 3 ? 2 1 02208 00000 00000 1 
+2 1 530561 ? 112 24 3 3 4 2 5 4 2 ? ? ? 4 ? 40.00 5.30 3 2.60 1 2 00400 00000 00000 1 
+1 1 533738 ? 80 ? 3 3 3 1 4 4 4 ? ? ? 4 5 43 70 ? ? 1 1 03111 00000 00000 2 
+1 9 5294539 38.80 184 84 1 ? 1 1 4 1 3 ? ? ? 2 ? 33.00 3.30 ? ? 2 1 07111 00000 00000 2 
+1 1 533871 37.5 72 ? 2 1 1 1 2 1 1 1 1 ? 1 ? 35 65 2 2 3 1 07209 00000 00000 2 
+1 1 529812 38.70 96 28 3 3 4 1 ? 4 ? ? 3 7.50 ? ? 64.00 9.00 ? ? 2 1 02205 00000 00000 1 
+2 1 534719 37.5 52 12 1 1 1 1 2 3 2 2 1 ? 3 5 36 61 1 1 1 2 00000 00000 00000 2 
+1 1 527734 40.80 72 42 3 3 1 1 2 3 1 2 1 ? ? ? 54.00 7.40 3 ? 2 1 11400 00000 00000 1 
+2 1 534933 38 40 25 ? 1 1 1 4 3 2 1 1 ? 4 ? 37 69 ? ? 1 2 00000 00000 00000 2 
+2 1 529296 38.40 48 16 2 1 1 1 1 ? 2 2 1 ? ? 2 39.00 6.50 ? ? 1 2 03111 00000 00000 1 
+2 9 5305629 38.60 88 28 ? ? ? ? ? ? ? ? ? ? ? ? 35.00 5.90 ? ? 1 2 00000 00000 00000 2 
+1 1 528743 37.10 75 36 ? ? 3 2 4 4 2 2 3 5.00 4 4 48.00 7.40 3 3.20 2 1 12208 00000 00000 1 
+1 1 530478 38.30 44 21 3 1 2 1 3 3 3 2 1 ? 1 5 44.00 6.50 2 4.40 1 1 02209 00000 00000 1 
+2 1 528590 ? 56 68 3 1 1 1 3 3 1 2 1 ? 1 ? 40.00 6.00 ? ? 3 1 05206 00000 00000 2 
+2 1 529865 38.60 68 20 2 1 3 1 3 3 2 1 1 ? 1 5 38.00 6.50 1 ? 1 2 05124 00000 00000 1 
+2 1 527829 38.30 54 18 3 1 2 1 2 3 2 ? 3 5.40 ? 4 44.00 7.20 3 ? 1 2 02124 00000 00000 1 
+1 1 534403 38.2 42 20 ? ? 1 1 ? 3 ? ? ? ? 3 ? 47 60 ? ? 1 2 00000 00000 00000 2 
+1 1 527883 39.30 64 90 2 3 1 1 ? 3 1 1 2 6.50 1 5 39.00 6.70 ? ? 1 1 31110 00000 00000 2 
+1 1 528570 37.50 60 50 3 3 1 1 3 3 2 2 2 3.50 3 4 35.00 6.50 ? ? 2 1 02209 00000 00000 2 
+1 1 534626 37.7 80 ? 3 3 6 1 5 4 1 2 3 ? 3 1 50 55 3 2 1 1 04206 00000 00000 2 
+1 1 529796 ? 100 30 3 3 4 2 5 4 4 3 3 ? 4 4 52.00 6.60 ? ? 1 1 02124 00000 00000 2 
+1 1 528638 37.70 120 28 3 3 3 1 5 3 3 1 1 ? ? ? 65.00 7.00 3 ? 2 1 04205 00000 00000 1 
+1 1 534624 ? 76 ? ? 3 ? ? ? 4 4 ? ? ? ? 5 ? ? ? ? 3 1 11124 00000 00000 2 
+1 9 5297159 38.80 150 50 1 3 6 2 5 3 2 1 1 ? ? ? 50.00 6.20 ? ? 2 1 04207 00000 00000 2 
+1 1 534787 38.0 36 16 3 1 1 1 4 2 2 3 3 2 3 ? 37 75 2 1 3 2 03111 00000 00000 2 
+2 1 528620 36.90 50 40 2 3 3 1 1 3 2 3 1 7.00 ? ? 37.50 6.50 ? ? 1 2 03111 00000 00000 2 
+2 1 528019 37.80 40 16 1 1 1 1 1 1 1 ? ? ? 1 1 37.00 6.80 ? ? 1 2 00000 00000 00000 2 
+2 1 529172 38.20 56 40 4 3 1 1 2 4 3 2 2 7.50 ? ? 47.00 7.20 1 2.50 1 2 08300 00000 00000 1 
+1 1 534644 38.6 48 12 ? ? 1 ? 1 1 ? ? ? ? ? ? 36 67 ? ? 1 2 00000 00000 00000 2 
+2 1 530624 40.00 78 ? 3 3 5 1 2 3 1 1 1 ? 4 1 66.00 6.50 ? ? 2 1 08400 00000 00000 1 
+1 1 527544 ? 70 16 3 4 5 2 2 3 2 2 1 ? 4 5 60.00 7.50 ? ? 2 1 01400 00000 00000 2 
+1 1 527758 38.20 72 18 ? ? ? ? ? ? ? ? ? ? ? ? 35.00 6.40 ? ? 1 1 03124 00000 00000 2 
+2 1 530439 38.50 54 ? 1 1 1 1 3 1 1 2 1 ? 1 ? 40.00 6.80 2 7.00 1 2 00000 00000 00000 1 
+1 1 5283431 38.50 66 24 1 1 1 1 3 3 1 2 1 ? 4 5 40.00 6.70 1 ? 1 1 31110 00000 00000 1 
+2 1 5275212 37.80 82 12 3 1 1 2 4 ? 3 1 3 ? ? ? 50.00 7.00 ? ? 3 1 02205 00000 00000 2
+2 9 5305129 39.50 84 30 ? ? ? 1 ? ? ? ? ? ? ? ? 28.00 5.00 ? ? 1 2 00000 00000 00000 2
+1 1 529428 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1 1 02124 00000 00000 2
+1 1 529126 38.00 50 36 ? 1 1 1 3 2 2 ? ? ? 3 ? 39.00 6.60 1 5.30 1 1 08400 00000 00000 1
+2 1 535054 38.6 45 16 2 1 2 1 1 1 ? ? ? ? 1 1 43 58 ? ? 1 2 00000 00000 00000 2
+1 1 528890 38.90 80 44 3 3 3 1 2 3 3 2 2 7.00 3 1 54.00 6.50 3 ? 2 1 07111 00000 00000 2
+1 1 530034 37.00 66 20 1 3 2 1 4 3 3 1 ? ? 1 5 35.00 6.90 2 ? 2 1 31110 00000 00000 2
+1 1 534004 ? 78 24 3 3 3 1 ? 3 ? 2 1 ? ? 4 43 62 ? 2 3 2 02209 00000 00000 2
+2 1 533902 38.5 40 16 1 1 1 1 2 1 1 ? ? ? 3 2 37 67 ? ? 1 2 00000 00000 00000 2
+1 1 533886 ? 120 70 4 ? 4 2 2 4 ? ? ? ? ? 5 55 65 ? ? 3 2 03205 00000 00000 2
+2 1 527702 37.20 72 24 3 2 4 2 4 3 3 3 1 ? 4 4 44.00 ? 3 3.30 3 1 02208 00000 00000 1
+1 1 529386 37.50 72 30 4 3 4 1 4 4 3 2 1 ? 3 5 60.00 6.80 ? ? 2 1 03205 00000 00000 2
+1 1 530612 36.50 100 24 3 3 3 1 3 3 3 3 1 ? 4 4 50.00 6.00 3 3.40 1 1 02208 00000 00000 1
+1 1 534618 37.2 40 20 ? ? ? ? ? ? ? ? ? ? 4 1 36 62 1 1 3 2 06112 00000 00000 2 
diff --git a/data/horse-colic.names b/data/horse-colic.names
new file mode 100755
index 0000000..066c9f5
--- /dev/null
+++ b/data/horse-colic.names
@@ -0,0 +1,267 @@
+1. TItle: Horse Colic database
+
+2. Source Information
+   -- Creators: Mary McLeish & Matt Cecile
+	  	Department of Computer Science
+		University of Guelph
+		Guelph, Ontario, Canada N1G 2W1
+		mdmcleish@water.waterloo.edu
+   -- Donor:    Will Taylor (taylor@pluto.arc.nasa.gov)
+   -- Date:     8/6/89
+
+3. Past Usage:
+   -- Unknown
+
+4. Relevant Information:
+
+   -- 2 data files 
+      -- horse-colic.data: 300 training instances
+      -- horse-colic.test: 68 test instances
+   -- Possible class attributes: 24 (whether lesion is surgical)
+     -- others include: 23, 25, 26, and 27
+   -- Many Data types: (continuous, discrete, and nominal)
+
+5. Number of Instances: 368 (300 for training, 68 for testing)
+
+6. Number of attributes: 28
+
+7. Attribute Information:
+
+  1:  surgery?
+          1 = Yes, it had surgery
+          2 = It was treated without surgery
+
+  2:  Age 
+          1 = Adult horse
+          2 = Young (< 6 months)
+
+  3:  Hospital Number 
+          - numeric id
+          - the case number assigned to the horse
+            (may not be unique if the horse is treated > 1 time)
+
+  4:  rectal temperature
+          - linear
+          - in degrees celsius.
+          - An elevated temp may occur due to infection.
+          - temperature may be reduced when the animal is in late shock
+          - normal temp is 37.8
+          - this parameter will usually change as the problem progresses
+               eg. may start out normal, then become elevated because of
+                   the lesion, passing back through the normal range as the
+                   horse goes into shock
+  5:  pulse 
+          - linear
+          - the heart rate in beats per minute
+          - is a reflection of the heart condition: 30 -40 is normal for adults
+          - rare to have a lower than normal rate although athletic horses
+            may have a rate of 20-25
+          - animals with painful lesions or suffering from circulatory shock
+            may have an elevated heart rate
+
+  6:  respiratory rate
+          - linear
+          - normal rate is 8 to 10
+          - usefulness is doubtful due to the great fluctuations
+
+  7:  temperature of extremities
+          - a subjective indication of peripheral circulation
+          - possible values:
+               1 = Normal
+               2 = Warm
+               3 = Cool
+               4 = Cold
+          - cool to cold extremities indicate possible shock
+          - hot extremities should correlate with an elevated rectal temp.
+
+  8:  peripheral pulse
+          - subjective
+          - possible values are:
+               1 = normal
+               2 = increased
+               3 = reduced
+               4 = absent
+          - normal or increased p.p. are indicative of adequate circulation
+            while reduced or absent indicate poor perfusion
+
+  9:  mucous membranes
+          - a subjective measurement of colour
+          - possible values are:
+               1 = normal pink
+               2 = bright pink
+               3 = pale pink
+               4 = pale cyanotic
+               5 = bright red / injected
+               6 = dark cyanotic
+          - 1 and 2 probably indicate a normal or slightly increased
+            circulation
+          - 3 may occur in early shock
+          - 4 and 6 are indicative of serious circulatory compromise
+          - 5 is more indicative of a septicemia
+
+ 10: capillary refill time
+          - a clinical judgement. The longer the refill, the poorer the
+            circulation
+          - possible values
+               1 = < 3 seconds
+               2 = >= 3 seconds
+
+ 11: pain - a subjective judgement of the horse's pain level
+          - possible values:
+               1 = alert, no pain
+               2 = depressed
+               3 = intermittent mild pain
+               4 = intermittent severe pain
+               5 = continuous severe pain
+          - should NOT be treated as a ordered or discrete variable!
+          - In general, the more painful, the more likely it is to require
+            surgery
+          - prior treatment of pain may mask the pain level to some extent
+
+ 12: peristalsis                              
+          - an indication of the activity in the horse's gut. As the gut
+            becomes more distended or the horse becomes more toxic, the
+            activity decreases
+          - possible values:
+               1 = hypermotile
+               2 = normal
+               3 = hypomotile
+               4 = absent
+
+ 13: abdominal distension
+          - An IMPORTANT parameter.
+          - possible values
+               1 = none
+               2 = slight
+               3 = moderate
+               4 = severe
+          - an animal with abdominal distension is likely to be painful and
+            have reduced gut motility.
+          - a horse with severe abdominal distension is likely to require
+            surgery just tio relieve the pressure
+
+ 14: nasogastric tube
+          - this refers to any gas coming out of the tube
+          - possible values:
+               1 = none
+               2 = slight
+               3 = significant
+          - a large gas cap in the stomach is likely to give the horse
+            discomfort
+
+ 15: nasogastric reflux
+          - possible values
+               1 = none
+               2 = > 1 liter
+               3 = < 1 liter
+          - the greater amount of reflux, the more likelihood that there is
+            some serious obstruction to the fluid passage from the rest of
+            the intestine
+
+ 16: nasogastric reflux PH
+          - linear
+          - scale is from 0 to 14 with 7 being neutral
+          - normal values are in the 3 to 4 range
+
+ 17: rectal examination - feces
+          - possible values
+               1 = normal
+               2 = increased
+               3 = decreased
+               4 = absent
+          - absent feces probably indicates an obstruction
+
+ 18: abdomen
+          - possible values
+               1 = normal
+               2 = other
+               3 = firm feces in the large intestine
+               4 = distended small intestine
+               5 = distended large intestine
+          - 3 is probably an obstruction caused by a mechanical impaction
+            and is normally treated medically
+          - 4 and 5 indicate a surgical lesion
+
+ 19: packed cell volume
+          - linear
+          - the # of red cells by volume in the blood
+          - normal range is 30 to 50. The level rises as the circulation
+            becomes compromised or as the animal becomes dehydrated.
+
+ 20: total protein
+          - linear
+          - normal values lie in the 6-7.5 (gms/dL) range
+          - the higher the value the greater the dehydration
+
+ 21: abdominocentesis appearance
+          - a needle is put in the horse's abdomen and fluid is obtained from
+            the abdominal cavity
+          - possible values:
+               1 = clear
+               2 = cloudy
+               3 = serosanguinous
+          - normal fluid is clear while cloudy or serosanguinous indicates
+            a compromised gut
+
+ 22: abdomcentesis total protein
+          - linear
+          - the higher the level of protein the more likely it is to have a
+            compromised gut. Values are in gms/dL
+
+ 23: outcome
+          - what eventually happened to the horse?
+          - possible values:
+               1 = lived
+               2 = died
+               3 = was euthanized
+
+ 24: surgical lesion?
+          - retrospectively, was the problem (lesion) surgical?
+          - all cases are either operated upon or autopsied so that
+            this value and the lesion type are always known
+          - possible values:
+               1 = Yes
+               2 = No
+
+ 25, 26, 27: type of lesion
+          - first number is site of lesion
+               1 = gastric
+               2 = sm intestine
+               3 = lg colon
+               4 = lg colon and cecum
+               5 = cecum
+               6 = transverse colon
+               7 = retum/descending colon
+               8 = uterus
+               9 = bladder
+               11 = all intestinal sites
+               00 = none
+          - second number is type
+               1 = simple
+               2 = strangulation
+               3 = inflammation
+               4 = other
+          - third number is subtype
+               1 = mechanical
+               2 = paralytic
+               0 = n/a
+          - fourth number is specific code
+               1 = obturation
+               2 = intrinsic
+               3 = extrinsic
+               4 = adynamic
+               5 = volvulus/torsion
+               6 = intussuption
+               7 = thromboembolic
+               8 = hernia
+               9 = lipoma/slenic incarceration
+               10 = displacement
+               0 = n/a
+ 28: cp_data
+          - is pathology data present for this case?
+               1 = Yes
+               2 = No
+          - this variable is of no significance since pathology data
+            is not included or collected for these cases
+
+8. Missing values: 30% of the values are missing
\ No newline at end of file
diff --git a/data/horse-colic.names.original b/data/horse-colic.names.original
new file mode 100755
index 0000000..ced1f19
--- /dev/null
+++ b/data/horse-colic.names.original
@@ -0,0 +1,249 @@
+(Message inbox:6)
+Received: from charon.arc.nasa.gov by ICS.UCI.EDU id aa10794; 6 Aug 89 16:05 PDT
+Received: from HALEAKALA.arc.nasa.gov by CHARON.arc.nasa.gov via INTERNET with SMTP id 40376; 6 Aug 89 16:03:21 PDT
+Date: Sun, 6 Aug 89 16:06 PDT
+From: will taylor <taylor@CHARON.arc.nasa.GOV>
+Subject: Horse Colic DB - 1 of 3
+To: aha@ICS.UCI.EDU
+Message-ID: <19890806230616.2.TAYLOR@HALEAKALA.arc.nasa.gov>
+
+Source of database:
+
+	  - Mary McLeish & Matt Cecile
+	  		   Dept. of Computer Science
+			   U. of Guelph
+			   Guelph, Ontario, Canada N1G 2W1
+		           mdmcleish@water.waterloo.edu
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+Date: Sat, 5 Aug 89 09:40:08 EDT
+From: mdmcleish@water.waterloo.edu
+Message-Id: <8908051340.AA29845@water.waterloo.edu>
+To: taylor@pluto.arc.nasa.gov
+
+HORSE COLIC DOMAIN: DESCRIPTION OF DATA
+=======================================
+
+The data is supplied in two files. The first contains 300 horse
+colic cases that should be used for training data while the second contains
+68 cases that can be used for testing the performance of your method.
+
+The variable that we have tended to try and predict is V24, that is, whether
+or not the lesion is surgical. Other variables of interest are outcome, V23,
+and lesion types, V25,V26,V27.
+
+The sample contains approx. 30% missing values (indicated by a zero in the
+data provided). You will need to deal with all types of variables (continuous,
+discrete, and nominal) as well as the missing values in your method.
+
+VARIABLES:
+==========
+V1:  surgery?
+          1 = Yes, it had surgery
+          2 = It was treated without surgery
+V2:  Age
+          1 = Adult horse
+          2 = Young (< 6 months)
+V3:  Hospital Number
+          - the case number assigned to the horse
+               (may not be unique if the horse is treated > 1 time)
+V4:  rectal temperature
+          - in degrees celsius.
+          - An elevated temp may occur due to infection.
+          - temperature may be reduced when the animal is in late shock
+          - normal temp is 37.8
+          - this parameter will usually change as the problem progresses
+               eg. may start out normal, then become elevated because of
+                   the lesion, passing back through the normal range as the
+                   horse goes into shock
+V5:  pulse
+          - the heart rate in beats per minute
+          - is a reflection of the heart condition: 30 -40 is normal for adults
+          - rare to have a lower than normal rate although athletic horses
+            may have a rate of 20-25
+          - animals with painful lesions or suffering from circulatory shock
+            may have an elevated heart rate
+V6:  respiratory rate
+          - normal rate is 8 to 10
+          - usefulness is doubtful due to the great fluctuations
+V7:  temperature of extremities
+          - a subjective indication of peripheral circulation
+          - possible values:
+               1 = Normal
+               2 = Warm
+               3 = Cool
+               4 = Cold
+          - cool to cold extremities indicate possible shock
+          - hot extremities should correlate with an elevated rectal temp.
+V8:  peripheral pulse
+          - subjective
+          - possible values are:
+               1 = normal
+               2 = increased
+               3 = reduced
+               4 = absent
+          - normal or increased p.p. are indicative of adequate circulation
+            while reduced or absent indicate poor perfusion
+V9:  mucous membranes
+          - a subjective measurement of colour
+          - possible values are:
+               1 = normal pink
+               2 = bright pink
+               3 = pale pink
+               4 = pale cyanotic
+               5 = bright red / injected
+               6 = dark cyanotic
+          - 1 and 2 probably indicate a normal or slightly increased
+            circulation
+          - 3 may occur in early shock
+          - 4 and 6 are indicative of serious circulatory compromise
+          - 5 is more indicative of a septicemia
+V10: capillary refill time
+          - a clinical judgement. The longer the refill, the poorer the
+            circulation
+          - possible values
+               1 = < 3 seconds
+               2 = >= 3 seconds
+V11: pain
+          - a subjective judgement of the horse's pain level
+          - possible values:
+               1 = alert, no pain
+               2 = depressed
+               3 = intermittent mild pain
+               4 = intermittent severe pain
+               5 = continuous severe pain
+          - should NOT be treated as a ordered or discrete variable!
+          - In general, the more painful, the more likely it is to require
+            surgery
+          - prior treatment of pain may mask the pain level to some extent
+V12: peristalsis
+          - an indication of the activity in the horse's gut. As the gut
+            becomes more distended or the horse becomes more toxic, the
+            activity decreases
+          - possible values:
+               1 = hypermotile
+               2 = normal
+               3 = hypomotile
+               4 = absent
+V13: abdominal distension
+          - An IMPORTANT parameter.
+          - possible values
+               1 = none
+               2 = slight
+               3 = moderate
+               4 = severe
+          - an animal with abdominal distension is likely to be painful and
+            have reduced gut motility.
+          - a horse with severe abdominal distension is likely to require
+            surgery just tio relieve the pressure
+V14: nasogastric tube
+          - this refers to any gas coming out of the tube
+          - possible values:
+               1 = none
+               2 = slight
+               3 = significant
+          - a large gas cap in the stomach is likely to give the horse
+            discomfort
+V15: nasogastric reflux
+          - possible values
+               1 = none
+               2 = > 1 liter
+               3 = < 1 liter
+          - the greater amount of reflux, the more likelihood that there is
+            some serious obstruction to the fluid passage from the rest of
+            the intestine
+V16: nasogastric reflux PH
+          - scale is from 0 to 14 with 7 being neutral
+          - normal values are in the 3 to 4 range
+V17: rectal examination - feces
+          - possible values
+               1 = normal
+               2 = increased
+               3 = decreased
+               4 = absent
+          - absent feces probably indicates an obstruction
+V18: abdomen
+          - possible values
+               1 = normal
+               2 = other
+               3 = firm feces in the large intestine
+               4 = distended small intestine
+               5 = distended large intestine
+          - 3 is probably an obstruction caused by a mechanical impaction
+            and is normally treated medically
+          - 4 and 5 indicate a surgical lesion
+V19: packed cell volume
+          - the # of red cells by volume in the blood
+          - normal range is 30 to 50. The level rises as the circulation
+            becomes compromised or as the animal becomes dehydrated.
+V20: total protein
+          - normal values lie in the 6-7.5 (gms/dL) range
+          - the higher the value the greater the dehydration
+V21: abdominocentesis appearance
+          - a needle is put in the horse's abdomen and fluid is obtained from
+            the abdominal cavity
+          - possible values:
+               1 = clear
+               2 = cloudy
+               3 = serosanguinous
+          - normal fluid is clear while cloudy or serosanguinous indicates
+            a compromised gut
+V22: abdomcentesis total protein
+          - the higher the level of protein the more likely it is to have a
+            compromised gut. Values are in gms/dL
+V23: outcome
+          - what eventually happened to the horse?
+          - possible values:
+               1 = lived
+               2 = died
+               3 = was euthanized
+V24: surgical lesion?
+          - retrospectively, was the problem (lesion) surgical?
+          - all cases are either operated upon or autopsied so that
+            this value and the lesion type are always known
+          - possible values:
+               1 = Yes
+               2 = No
+V25,V26,V27: type of lesion
+          - first number is site of lesion
+               1 = gastric
+               2 = sm intestine
+               3 = lg colon
+               4 = lg colon and cecum
+               5 = cecum
+               6 = transverse colon
+               7 = retum/descending colon
+               8 = uterus
+               9 = bladder
+               11 = all intestinal sites
+               00 = none
+          - second number is type
+               1 = simple
+               2 = strangulation
+               3 = inflammation
+               4 = other
+          - third number is subtype
+               1 = mechanical
+               2 = paralytic
+               0 = n/a
+          - fourth number is specific code
+               1 = obturation
+               2 = intrinsic
+               3 = extrinsic
+               4 = adynamic
+               5 = volvulus/torsion
+               6 = intussuption
+               7 = thromboembolic
+               8 = hernia
+               9 = lipoma/slenic incarceration
+               10 = displacement
+               0 = n/a
+V28: cp_data
+          - is pathology data present for this case?
+               1 = Yes
+               2 = No
+          - this variable is of no significance since pathology data
+            is not included or collected for these cases
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/data/horse-colic.test b/data/horse-colic.test
new file mode 100755
index 0000000..4111d21
--- /dev/null
+++ b/data/horse-colic.test
@@ -0,0 +1,68 @@
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+1 1 535263 37.7 44 28 ? 4 3 2 5 4 4 1 1 ? 3 5 45 70 3 2 1 1 03205 00000 00000 2
+1 1 534523 37 56 24 3 1 4 2 4 4 3 1 1 ? ? ? 35 61 3 2 3 2 02205 02208 00000 2
+2 1 528926 38.00 42 12 3 ? 3 1 1 ? 1 ? ? ? ? 2 37.00 5.80 ? ? 1 2 03111 00000 00000 2
+1 1 534922 ? 60 40 3 ? 1 1 ? 4 ? 3 2 ? ? 5 42 72 ? ? 1 1 03111 00000 00000 2
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diff --git a/function.py b/function.py
new file mode 100644
index 0000000..409b1ac
--- /dev/null
+++ b/function.py
@@ -0,0 +1,83 @@
+# function.py
+import numpy as np
+
+"""
+实验说明:
+- 自行编写实现数据加载与预测病马死亡的对率回归算法。
+
+注意事项:
+- 在 function.py 中实现对率回归算法。
+- 可以自行导入其他库，需要在 requirements.txt 添加依赖，若未在 requirements.txt 中添加使用到的依赖，则无法自动评测，成绩为零。
+- 自动评测脚本仅会加载 train_logreg、predict_logreg 和 load_data 函数，请勿修改函数名。
+
+测评环境:
+- CPU: Intel Xeon(R) CPU E3-1231 v3 @ 3.40GHz
+- OS: Ubuntu 22.04.4 LTS
+- Python: 3.10.12
+- numpy: 2.1.1
+"""
+
+
+"""
+请在这里填写学号和姓名，不填写即成绩无效。
+"""
+id = "202210423xxx"
+name = "test_name"
+
+
+# 这里写自己的代码实现
+def train_logreg(X, y, other_params="你自己设置一些其它参数"):
+    """
+    对率回归训练函数。
+
+    Args:
+    - X (numpy array): 特征数据。
+    - y (numpy array): 标签数据。
+    - other_params (str): 其它参数，可选设置。若需设置其它参数，必须设置其默认值，否则将**无法通过**自动评测，**成绩为零**。
+
+    Returns:
+    - numpy array: 训练得到的权重。
+    """
+
+
+def predict_logreg(inX, weights):
+    """
+    对率回归预测函数。
+
+    Args:
+    - inX (numpy array): 输入待分类的样本。
+    - weights (numpy array): 训练得到的权重。
+
+    Returns:
+    - int: 预测的分类标签。
+    """
+
+
+# 这里也写自己的代码实现
+def load_data(filepath):
+    """
+    从文件中加载数据，若不自行正确实现，则无法通过评测，**不记录成绩**。
+
+    Args:
+    - directory (str): 数据文件路径。
+
+    Returns:
+    - np.array: 特征数据。
+    - np.array: 标签数据。
+    """
+
+
+if __name__ == "__main__":
+    # 以下代码可用于测试，可自行随意修改
+    # 加载训练集
+    X_train, y_train = load_data("./data/horse-colic.data")
+
+    # 加载测试集
+    X_test, y_test = load_data("./data/horse-colic.test")
+
+    # 训练对率回归模型
+    weights = train_logreg(X_train, y_train, learning_rate=0.01, iterations=1000)
+
+    # 测试单个数据
+    y_pred = predict_logreg(X_test[11], weights)
+    print(f"预测结果: {y_pred}, 实际结果: {y_test[11]}")
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..4bb300f
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+numpy==2.1.1
+requests==2.32.3