mvpa2.base.dataset.stack_by_unique_sample_attribute

mvpa2.base.dataset.stack_by_unique_sample_attribute(dataset, sa_label)

Performs hstack based on unique values in sa_label

Parameters:

dataset: Dataset

input dataset.

sa_label: str

sample attribute label according which samples in dataset are stacked.

Returns:

stacked_dataset: Dataset

A dataset where matching features are joined (hstacked). If the number of matching features differs for values in sa_label and exception is raised.