Stacks datasets horizontally (appending features).
All datasets must have an identical set of sample attributes (matching keys, not values), otherwise a ValueError will be raised. See a argument documentation for transferring dataset attributes, and sa argument for sample attributes – by default sample attributes which differ in any input dataset from the others would be dropped.
Parameters: | datasets : tuple
a: {‘unique’,’drop_nonunique’,’uniques’,’all’} or True or False or None (default: None) :
sa: {‘update’, ‘drop_nonunique’}, (default: ‘update’) :
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Returns: | AttrDataset (or respective subclass) : |