This is Capstone project for Data Science Specialization.
Yelp data is used to check if user reviews will influence their's friend's ratings. You can download the data from here: https://d396qusza40orc.cloudfront.net/dsscapstone/dataset/yelp_dataset_challenge_academic_dataset.zip
The .Rmd file contain the script used for cleaning the data into the final format. This final format is loaded in a local file for reproducing the analysis multiple times without spending huge time for processing the original large dataset.
Here is a report on the analysis: http://rpubs.com/sivarome/yelpinfluence