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.