The data is included in the data file:
And it contains the data after feature extraction, the result data after clustering and the rating data.
some data is too big and has put into the google drive
https://drive.google.com/open?id=1D71-jUyJfdQtV-beZpP80aVKizNxBLNf
Download fron the link and put it into the folder "data"

All the function algorithm is in the data analyze file:
including:data cleaning, feature extration, PCA, hirerachical clustering and K-means clustering algorithm.

All the Web System function is stored in Web file.