/Python/Variance calculation python manually

Variance calculation python manually

Numpy how to calculate variance

import numpy
numbers = [50,66,77,88,99,100]
x = numpy.var(numbers)
print(x)

Variance calculation python manually

>>> def variance(data):
...     # Number of observations
...     n = len(data)
...     # Mean of the data
...     mean = sum(data) / n
...     # Square deviations
...     deviations = [(x - mean) ** 2 for x in data]
...     # Variance
...     variance = sum(deviations) / n
...     return variance
...

>>> variance([4, 8, 6, 5, 3, 2, 8, 9, 2, 5])
5.76

Source: stackabuse.com

Similar codes

9 votes287 views1 answer
Override python print for class
Python
2 votes270 views2 answers
Convert list to generator python
Python
0 vote228 views1 answer
Unsupported operand type(s) for / 'fraction' and 'fraction'
Python
35 votes295 views6 answers
Python generate random string
Python
3 votes306 views2 answers
Cv2.cv2 has no attribute face
Python
0 vote266 views1 answer
Python .exe long start
Python
0 vote283 views1 answer
Increase recursion depth google colab
Python
0 vote268 views1 answer
Using loc pandas
Python
0 vote288 views1 answer
Nlargest of each group
Python
2 votes256 views1 answer
Favicon django
Python