Unpivot DataFrame from wide to long format

Create a pivot table from DataFrame

Convert column to datetime format

pandas/pivot-wider

Reshape data from long to wide format

pandas

reshape

pivot

df.pivot

df.pivot() reshapes long-format data back into wide format.

Pivot long-format data into wide-format

df.pivot(index="id", columns="variable", values="value")

Plot DataFrame or Series

Convert column to categorical dtype

Convert Series to specified dtype