python - Change indescriptive axis names of Pandas Panel and Panel4D -


the standard axis names of panel items, major_axis , minor_axis

in [2]: pd.panel() out[2]: <class 'pandas.core.panel.panel'> dimensions: 0 (items) x 0 (major_axis) x 0 (minor_axis) items axis: none major_axis axis: none minor_axis axis: none

that indescriptive hell, , gets worse panel4d, labels added fourth axis. there way change them during initialization? or can use pd.core.create_nd_panel_factory create new panel4d factory different axis names?

edit: have is

out[3]: <class 'pandas.core.panel.panel'> dimensions: 0 (items) x 0 (major_axis) x 0 (minor_axis) x axis: none y axis: none z axis: none

since answer given in pandas access axis user-defined name old pandas version , not provide full functionality, how works:

from pandas.core.panelnd import create_nd_panel_factory pandas.core.panel import panel  panel4d = create_nd_panel_factory(     klass_name='panel4d',     orders=['axis1', 'axis2', 'axis3', 'axis4'],     slices={'labels': 'labels',             'axis2': 'items',             'axis3': 'major_axis',             'axis4': 'minor_axis'},     slicer=panel,     stat_axis=2, )   def panel4d_init(self, data=none, axis1=none, axis2=none, axis3=none,                  axis4=none, copy=false, dtype=none):      self._init_data(data=data, axis1=axis1, axis2=axis2,                     axis3=axis3, axis4=axis4,                     copy=copy, dtype=dtype)  panel4d.__init__ = panel4d_init

it part of pandas source code reworked.

then 

>>> panel4d(np.random.rand(4,4,4,4)) out[1]:  <class 'pandas.core.panelnd.panel4d'> dimensions: 4 (axis1) x 4 (axis2) x 4 (axis3) x 4 (axis4) axis1 axis: 0 3 axis2 axis: 0 3 axis3 axis: 0 3 axis4 axis: 0 3

and in contrary answer given in pandas access axis user-defined name, instance of panel4d functional , behaves instance of pandas.panel4d. example can panel4d(np.empty((1,1,1,1)))[0] whithout haveing exception thrown.


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