Amazon
Source
The Amazon fine food reviews are available to download here:
The Million Song Dataset is the original source of the music and tracks data; it is available here:
Description of the Data
Three data sets:
amazon_fine_food_reviews.csv and amazon_fine_food_reviews.sqlite contain reviews from Amazon about food products
music.txt contains reviews from Amazon about music
tracks.csv and tracks.db contain metadata about music tracks available from Amazon
Transformations to the original data source
The file amazon_fine_food_reviews.csv is created from Reviews.csv (the original source file) by using R to remove the commas (not replacing them with spaces) that are internal to any of the 10 columns. The file amazon_fine_food_reviews.sqlite is downloaded from the source and not transformed.
We believe that we built the music and tracks files using these steps: