cudf.DataFrame.melt#

DataFrame.melt( id_vars=None, value_vars=None, var_name=None, value_name='value', col_level=None, ignore_index: bool = True, )[source]#

Unpivots a DataFrame from wide format to long format, optionally leaving identifier variables set.

Parameters:

frameDataFrame
id_varstuple, list, or ndarray, optional: Column(s) to use as identifier variables. default: None
value_varstuple, list, or ndarray, optional: Column(s) to unpivot. default: all columns that are not set as id_vars.
var_namescalar: Name to use for the variable column. default: frame.columns.name or ‘variable’
value_namestr: Name to use for the value column. default: ‘value’

Returns:

outDataFrame: Melted result