# Caltech CS 155 2019 Final — Data

来源：https://www.kaggle.com/competitions/caltech-cs-155-2019-final/data

采集时间：2026-10-20T02:46:11Z

The data provided in `X_train.csv`, `X_test.csv`, and `y_train.csv` primarily follows the documentation provided in the file `Codebook.pdf`.  -1 represents a missing value.

### Task

Your task is to predict the `actual_wait div 60000` column corresponding to `X_test.csv`.  `y_train.csv` corresponds to `X_train.csv`. 

### Features

The attached PDF codebook explains what each feature represents.

### File descriptions

- X_train.csv: training data
- y_train.csv: training labels
- X_test.csv: testing data
- sample_submission.csv: a sample for the format of your submissions
- Codebook.pdf: feature descriptions