PYTHON

mean deviation python

import statistics 
import numpy as np
 
data = np.array([7,5,4,9,12,45])
 
print("Standard Deviation of the sample is % s "% (statistics.stdev(data)))
print("Mean of the sample is % s " % (statistics.mean(data)))

standard deviation python

import numpy as np
values=[1,10,100]
print(np.std(values))
values=[1,10,100,np.nan]
print(np.nanstd(values))