mutate

mutate(__data, *args, **kwargs)

Assign new variables to a DataFrame, while keeping existing ones.

Parameters

Name	Type	Description	Default
__data			required
**kwargs		new_col_name=value pairs, where value can be a function taking a singledispatch2 argument for the data being operated on.	{}

See Also

transmute: Returns a DataFrame with only the newly created columns.

Examples

>>> from siuba import _, mutate, head
>>> from siuba.data import cars
>>> cars >> mutate(cyl2 = _.cyl * 2, cyl4 = _.cyl2 * 2) >> head(2)
   cyl   mpg   hp  cyl2  cyl4
0    6  21.0  110    12    24
1    6  21.0  110    12    24