CODE EXAMPLE FOR PYTHON

geopandas nan to 0

In [7]: df
Out[7]: 
          0         1
0       NaN       NaN
1 -0.494375  0.570994
2       NaN       NaN


In [8]: df.fillna(0, inplace=True)
Out[8]: 
          0         1
0  0.000000  0.000000
1 -0.494375  0.570994
2  0.000000  0.000000