Random sampling in numpy | random_sample() function Last Updated : 26 Feb, 2019 Comments Improve Suggest changes 2 Likes Like Report numpy.random.random_sample() is one of the function for doing random sampling in numpy. It returns an array of specified shape and fills it with random floats in the half-open interval [0.0, 1.0). Syntax : numpy.random.random_sample(size=None) Parameters : size : [int or tuple of ints, optional] Output shape. If the given shape is, e.g., (m, n, k), then m * n * k samples are drawn. Default is None, in which case a single value is returned. Return : Array of random floats in the interval [0.0, 1.0). or a single such random float if size not provided. Code #1 : Python3 # Python program explaining # numpy.random.sample() function # importing numpy import numpy as geek # output random value out_val = geek.random.random_sample() print ("Output random float value : ", out_val) Output : Output random float value : 0.9211987310893188 Code #2 : Python3 # Python program explaining # numpy.random.random_sample() function # importing numpy import numpy as geek # output array out_arr = geek.random.random_sample(size =(1, 3)) print ("Output 2D Array filled with random floats : ", out_arr) Output : Output 2D Array filled with random floats : [[ 0.64325146 0.4699456 0.89895437]] Code #3 : Python3 # Python program explaining # numpy.random.random_sample() function # importing numpy import numpy as geek # output array out_arr = geek.random.random_sample((3, 2, 1)) print ("Output 3D Array filled with random floats : ", out_arr) Output : Output 3D Array filled with random floats : [[[ 0.78245025] [ 0.77736746]] [[ 0.54389267] [ 0.18491758]] [[ 0.97428409] [ 0.73729256]]] Create Quiz Comment J jana_sayantan Follow 2 Improve J jana_sayantan Follow 2 Improve Article Tags : Python Python-numpy Python numpy-Random sampling Explore Python FundamentalsPython Introduction 2 min read Input and Output in Python 4 min read Python Variables 4 min read Python Operators 4 min read Python Keywords 2 min read Python Data Types 8 min read Conditional Statements in Python 3 min read Loops in Python - For, While and Nested Loops 5 min read Python Functions 5 min read Recursion in Python 4 min read Python Lambda Functions 5 min read Python Data StructuresPython String 5 min read Python Lists 4 min read Python Tuples 4 min read Python Dictionary 3 min read Python Sets 6 min read Python Arrays 7 min read List Comprehension in Python 4 min read Advanced PythonPython OOP Concepts 11 min read Python Exception Handling 5 min read File Handling in Python 4 min read Python Database Tutorial 4 min read Python MongoDB Tutorial 2 min read Python MySQL 9 min read Python Packages 10 min read Python Modules 3 min read Python DSA Libraries 15 min read List of Python GUI Library and Packages 3 min read Data Science with PythonNumPy Tutorial - Python Library 3 min read Pandas Tutorial 4 min read Matplotlib Tutorial 5 min read Python Seaborn Tutorial 3 min read StatsModel Library - Tutorial 3 min read Learning Model Building in Scikit-learn 6 min read TensorFlow Tutorial 2 min read PyTorch Tutorial 6 min read Web Development with PythonFlask Tutorial 8 min read Django Tutorial | Learn Django Framework 7 min read Django ORM - Inserting, Updating & Deleting Data 4 min read Templating With Jinja2 in Flask 6 min read Django Templates 5 min read Build a REST API using Flask - Python 3 min read Building a Simple API with Django REST Framework 3 min read Python PracticePython Quiz 1 min read Python Coding Practice 1 min read Python Interview Questions and Answers 15+ min read Like