pandas.Panel.select

Panel.select(crit, axis=0) [source]

Return data corresponding to axis labels matching criteria.

Deprecated since version 0.21.0: Use df.loc[df.index.map(crit)] to select via labels

Parameters:
crit : function

To be called on each index (label). Should return True or False

axis : int
Returns:
selection : same type as caller

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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.24.2/reference/api/pandas.Panel.select.html