Simon Fraser University

Chi-Square Tests and Statistics

When you specify the CHISQ option in the TABLES statement, PROC FREQ performs the following chi-square tests for each two-way table: Pearson chi-square, continuity-adjusted chi-square for 2 ×2 tables, ...
JSTOR Daily

Approximating the Cumulative Chi-Square Distribution and its Inverse

Journal of the Royal Statistical Society. Series D (The Statistician) This paper proposes an approximation to the cumulative chi-square distribution and its inverse. The approximation is simple for ...
JSTOR Daily

Another Derivation of the Non-Central Chi-Square Distribution

A brief review of derivations of the density function of the non-central chi-square is given. Another geometrical derivation based upon the properties of spherical coordinates is then presented. The ...
Simon Fraser University

Chi-Square Tests

The chi-square test is a statistical hypothesis test that is used to compare observed and expected counts in a contingency table. Its uses include: tests for independence, tests for homogeneity, and ...