mvpa2.base.dataset.stack_by_unique_sample_attribute¶
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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.