# Denison DA350: Amazon Lab - Fall 2019 — Data

来源：https://www.kaggle.com/competitions/denison-da350-amazon-lab-fall-2019/data

本地 Meta Kaggle 快照；不是本次实时页面。

# Dataset Description

**Id**: A unique number given to each review in the dataset	
**ProductId**: A unique number given to the product that has been reviewed
**UserId**: A unique number given to the user who left a review
**ProfileName**: The name used by the Amazon customer who left a review (does not need to be unique)
**HelpfulnessNumerator**: Total number of people who found the review helpful
**HelpfulnessDenominator**: Total number of people who found the review helpful or not helpful
**Score**: Review score
**Time**: Data of review in terms of seconds (The 0th second is the first second of the year 1970)
**Summary**: Summary of the review, left by the user
**Text**: Main body of the review