how many nan in array python
np.count_nonzero(~np.isnan(data))how many nan in array python
np.count_nonzero(~np.isnan(data))python numpy array replace nan with string
import numpy as np
l=['foo', 'bar', 'baz', np.nan]
l_new=['missing' if x is np.nan else x for x in l]
print l_new
# Result:
# ['foo', 'bar', 'baz', 'missing']Copyright © 2021 Codeinu
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