Heatmap can be super useful when you want to see which intersections of the categorical values have higher concentration of the data compared to the others.
This video is about how to use K-means Clustering to segment the data based on categories or variables in Exploratory.
Introduction to Correlation Analysis
This video is about how you can quickly run correlation algorithms to find correlations among variables and categories in Exploratory.
Analyzing Twitter Text Data
This video is about how you can quickly analyze twitter text data by tokenizing the tweets, removing 'stopwords', and finding out what combinations of the words are used together more often than the others.