How to Generate Random Samples from a noncentral F Distribution

To generate random samples from a noncentral F distribution we use the random.noncentral_f() method of NumPy library.

We have explained the method in the example below by plotting histogram using Matplot library.

Python3




# import numpy
import numpy as np
import matplotlib.pyplot as plt
  
# Using noncentral_f() method
gfg = np.random.noncentral_f(10.23, 12.13, 3, 10000)
  
count, bins, ignored = plt.hist(gfg, 14, density = True)
plt.show()


Output:



NumPy random.noncentral_f() | Get Random Samples from noncentral F distribution

The NumPy random.noncentral_f() method returns the random samples from the noncentral F distribution.

Example

Python3




import numpy as np
import matplotlib.pyplot as plt
gfg = np.random.noncentral_f(1.24, 21, 3, 1000)
count, bins, ignored = plt.hist(gfg, 50, density = True)
plt.show()


Output:

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Syntax

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How to Generate Random Samples from a noncentral F Distribution

Syntax: numpy.random.noncentral_f(dfnum, dfden, nonc, size=None) Parameters: dfnum: Degrees of freedom in numerator. dfden: Degrees of freedom in denominator. nonc: Non-centrality parameter. size: Output shape. Return: Return the random samples as numpy array....