Python random:  paretovariate()

`random.paretovariate` function . `paretovariate() `is an inbuilt method of the `random` module. It is used to return a random floating point number with Pareto distribution.

Syntax :

random.paretovariate(alpha)

Parameter Values :

ParameterDescription
alphaRequired. It is a shape parameter.

Return Value :

a random Pareto distribution floating number

Example :

1.

`# import the random module import random # determining the values of the parameter alpha = 3# using the paretovariate() method print(random.paretovariate(alpha)) `
Output :
1.5139483121308261

2.
We can generate the number multiple times and plot a graph to observe the Pareto distribution.

`# import the required libraries import random import matplotlib.pyplot as plt     # store the random numbers in a # list nums = [] alpha = 3    for i in range(100):     temp = random.paretovariate(alpha)     nums.append(temp)         # plotting a graph plt.plot(nums) plt.show() `

Output :

3.
We can create a histogram to observe the density of the Pareto distribution.

`# import the required libraries import random import matplotlib.pyplot as plt     # store the random numbers in a # list nums = [] alpha = 3    for i in range(100):     temp = random.paretovariate(alpha)     nums.append(temp)         # plotting a graph plt.plot(nums) plt.show() `

Output :

******END OF ARTICLE******

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