def __init__(self, extra=''):
        self.extra = extra
Returns array expanded from squeezed form.
dataset/ETHPy150Open trevorstephens/gplearn/gplearn/skutils/__init__.py/deprecated.__init__--crossover with--dataset/ETHPy150Open daeilkim/refinery/refinery/bnpy/bnpy-dev/bnpy/suffstats/ParamBag.py/ParamBag._getExpandedField