Glossary of Common Terms

stat

A subclass of stat.

geom

A subclass of geom.

position

A subclass of position.

expression

A python expression wrapped in a string. The expression can refer to variables in the user environment and columns in the dataframe.

The following may be valid expressions:

'col1'
'col1 + col2'
'np.sin(col1)'
'"string-value"'