General View of the database

General View of the categorical data

General View of the numeric data

Missing Data Profile

By numbers and variables

By percentage, variables and observations

Graphic analysis

Categorical data

Are there very large categorical variables?

## [1] "The variable: Product_ID has a lot of levels to graph"

Numerical data

Are there very large categorical variables?

## [1] "The variable: User_ID has a lot of levels to graph as above" 
## [2] "The variable: Purchase has a lot of levels to graph as above"

So …. histograms

Correlation Analysis