# Data Mining Feature Engineering — Data

来源：https://www.kaggle.com/competitions/data-mining-feature-engineering/data

本地 Meta Kaggle 快照；不是本次实时页面。

# Dataset Description

## Files

*   **data_train.csv** - the training set
*   **Y_train.csv** - the train target variable
*   **data_test.csv** - the test set
*   **sample_submission.csv** - a sample submission file in the correct format

## Columns

*   `ID` - identifier
*   `month` - month in which the key figure was collected from the customer (1 = January, 12 = December)
*   The data set also contains 20 categorical (X1-X20) and 20 numerical variables (X21-X40) whose meaning is unknown.

The data set was generated artificially.