Missing %

[jan-imbi]

Currently, only the absolute frequency of missing values are displayed.
Better would be to display it as follows: Missing: 23 (42%)
This concerns continuous as well as categorical variables.
For categorical variables, there should additionally be an option to count "missing" as a separate category, because this makes a difference for the % numbers. E.g.:
Fish: 20 (20%)
Bird: 70 (70%)
Missing: 10 (10%)

vs.

Fish: 20 (22.2 %)
Bird: 70 (77.7 %)
Missing: 10 (10%)