In [1]:

    

import numpy as np


    

In [2]:

    

arr = np.genfromtxt('data/src/sample_nan.csv', delimiter=',')
print(arr)


    

    




[[ 11.  12.  nan  14.]
 [ 21.  nan  nan  24.]
 [ 31.  32.  33.  34.]]

In [3]:

    

print(arr.sum())


    

    




nan

In [4]:

    

print(np.sum(arr))


    

    




nan

In [5]:

    

print(np.nansum(arr))


    

    




212.0

In [6]:

    

print(np.nansum(arr, axis=0))


    

    




[ 63.  44.  33.  72.]

In [7]:

    

print(np.nansum(arr, axis=1))


    

    




[  37.   45.  130.]

In [8]:

    

print(np.nanmean(arr))


    

    




23.5555555556

In [9]:

    

print(np.nanmax(arr))


    

    




34.0

In [10]:

    

print(np.nanmin(arr))


    

    




11.0

In [11]:

    

print(np.nanstd(arr))


    

    




8.90831211237

In [12]:

    

print(np.nanvar(arr))


    

    




79.3580246914