message_ix_models.model.material.data_methanol.unpivot_input_data

message_ix_models.model.material.data_methanol.unpivot_input_data(df: DataFrame, par_name: str) → DataFrame

Unpivot data that already contains columns for respective MESSAGEix parameter.

Parameters:

• df – DataFrame containing parameter data with year and node values pivoted

• par_name – name of MESSAGEix parameter