gemmr.util.nPerFtr2n

gemmr.util.nPerFtr2n(nPerFtr, py=None)

Convert a DataArray with elements representing “n_per_ftr” into “n”

Parameters:

• nPerFtr (xr.DataArray) – the elements represent samples per feature. nPerFtr must have dimension 'px', 'r' and 'Sigma_id'
• py (None or xr.DataArray) – if None it is assumed that nPerFtr has an attribute py. py and nPerFtr must have same dimensions.

Returns:

n – the elements represent samples

Return type:

xr.DataArray