# COMS4771 Spring 2021 MSD Regression Competition — Data

来源：https://www.kaggle.com/competitions/4771-sp21-regression/data

本地 Meta Kaggle 快照；不是本次实时页面。

# Dataset Description

The data file contains three variables: `trainx`, `trainy`, `testx`.

-  `trainx` is a 463715×90 matrix of training data, where each row is a 90-dimensional feature representation of a song.
- `trainy` is a 463715×1 vector of labels associated with each training data. Each row is the release year of the corresponding song in `trainx`.
- `testx` is a 51630×90 matrix of test data.

Special note for those who are not using Matlab: Python users can use scipy to read in the mat file, R users can use R.matlab package to read in the mat file.