Machine Learning: Percentiles

• Percentiles 

Percentiles are used in statistics to give you a number that describes the value that a given percent of the values are lower than. 

 

Example 

Use the Numpy percentile () method to find the percentiles. 

import numpy

ages = [5,31,43,48,50,41,7,11,15,39,80,82,32,2,8,6,25,36,27,61,31]

x = numpy.percentile(ages, 75)

print(x)

What is the 75. percentile? The answer is 43, meaning that 75 percent of the people are 43 or younger.