/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

0 vote252 views1 answer
Python not readable file
Python
3 votes250 views2 answers
How to format a file in python
Python
1 vote267 views2 answers
Block window if another window is open tkinter
Python
7 votes334 views3 answers
Python match case string
Python
0 vote255 views1 answer
Python join tuple integer to string
Python
4 votes322 views2 answers
How to find the last occurrence of a character in a string in python
Python
1 vote258 views1 answer
Plt.savefig cutting off labels
Python
3 votes324 views2 answers
Split imagedatagenerator into x_train and y_train
Python
0 vote244 views1 answer
Exercism phone number python
Python
-2 votes262 views1 answer
What is the use of count function in python
Python