mvpa2.base.dataset.stack_by_unique_feature_attribute

mvpa2.base.dataset.stack_by_unique_feature_attribute(dataset, fa_label)

Performs vstack based on unique values in fa_label

Parameters:

dataset: Dataset :

input dataset.

fa_label: str :

feature attribute label according which samples in dataset are stacked.

Returns :

stacked_dataset: Dataset :

A dataset where matching samples are joined. This dataset has a sample attribute fa_label added and the feature attribute fa_label removed. If the number of matching features differs for values in sa_label and exception is raised.