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 ...

A chi-square (also called chi-squared) test is a classical statistics technique that can be used to determine if observed-count data matches expected-count data. A chi-square (also called chi-squared) ...

In this paper a new method is proposed for grouping a sample or a population of observations of a continuous statistical variable which presents good properties. By the new method it is possible to ...

This is a preview. Log in through your library . Abstract In a departure from previous comparisons of the relative efficiency of pair-matched with independent samples, this note considers matching as ...