Numpy MaskedArray.compressed() function – Python

numpy.MaskedArray.compressed() function return all the non-masked data as a 1-D array.

Syntax : numpy.MaskedArray.compressed(self)

Return : [ndarray] A new ndarray holding the non-masked data is returned.

Code #1 :

# Python program explaining
# numpy.MaskedArray.compressed() function

# importing numpy as geek
# and numpy.ma module as ma
import numpy as geek
import numpy.ma as ma

arr = geek.ma.array(geek.arange(10), mask =[0]*6 + [1]*4)
gfg = arr.compressed()

print(gfg)

Output :

[0 1 2 3 4 5]

Code #2 :

# Python program explaining
# numpy.MaskedArray.compressed() function

# importing numpy as geek
# and numpy.ma module as ma
import numpy as geek
import numpy.ma as ma

arr = geek.ma.array(geek.arange(7), mask =[0]*4 + [1]*3)
gfg = arr.compressed()

print(gfg)

Output :

[0 1 2 3]