Generate random number in pandas python

In order to generate random number in pandas python we need to use the randint() function. Let’s see how to

Generate random number to the column in pandas python with example

First let’s create a dataframe


import pandas as pd
import numpy as np

df1 = {
    'State':['Arizona','Georgia','Newyork','Indiana','Florida'],
   'Score1':[4,47,55,74,31]}

df1 = pd.DataFrame(df1,columns=['State','Score1'])
print(df1)

df1 will be

Generate random number in pandas python 2

We generate random number using randint() function with the size equal to the length of the dataframe and result is stored in a new column as shown below.

df1['Random_score'] = np.random.randint(0,1000,size=(len(df1),1))
print(df1)

Here we are generating random number between 1 and 1000 using randint() function. So the resultant dataframe will be

Generate random number in pandas python 1

Author

Sridhar Venkatachalam

With close to 10 years on Experience in data science and machine learning Have extensively worked on programming languages like R, Python (Pandas), SAS, Pyspark.
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Generate random number in pandas python

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