Reviews and time series

Part 4 (continues from part 3). The top_cool reviewers category has provided their reviews over different years, approximately from 2009 … More

Filter city, restaurant, and text analysis.

Part 3. Select city and restaurant. Check how many cities the top_cool data set contains. I imagine I am a … More

Part 2. Previous article Part 1. Use select and group_by to filter variables, create a variable with cool and useful … More