numpy.ma.MaskedArray.compressed#

method

ma.MaskedArray.compressed()[source]#

Return all the non-masked data as a 1-D array.

Returns:

datandarray

A newndarray holding the non-masked data is returned.

Notes

The result isnot a MaskedArray!

Examples

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>>>importnumpyasnp>>>x=np.ma.array(np.arange(5),mask=[0]*2+[1]*3)>>>x.compressed()array([0, 1])>>>type(x.compressed())<class 'numpy.ndarray'>

N-D arrays are compressed to 1-D.

>>>arr=[[1,2],[3,4]]>>>mask=[[1,0],[0,1]]>>>x=np.ma.array(arr,mask=mask)>>>x.compressed()array([2, 3])

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