Many employers administer pre-employment tests to determine if an applicant meets the minimum qualifications for a position. These tests also predict how an applicant will perform within a given role ...

During the product development journey, before a new software or product reaches its audience, it undergoes a series of tests to ensure its quality and functionality. At the forefront of these is the ...

R is the perfect language for creating a variety of chi-square tests, which are used to perform statistical analyses of counts of data. Here's how, with some sample code. A chi-square test (also ...