Pearson Chi2. A chi squared test also written as χ 2 test is a statistical hypothesis test that is valid to perform when the test statistic is chi squared distributed under the null hypothesis specifically pearson s chi squared test and variants thereof. For this example we will use a dataset called auto which contains information about 74 different automobiles from 1978.
This example chi square test has given a p value of 0 000. The chi squared test of homogeneity now suggests that there is a high degree of association. That is the column percentages are identical but the total number of observations is now n 945.
A chi squared test also written as χ 2 test is a statistical hypothesis test that is valid to perform when the test statistic is chi squared distributed under the null hypothesis specifically pearson s chi squared test and variants thereof.
The pearson chi squared goodness of t test is a diagnostic tests implemented in stata as a post estimation command estat gof to be used after logit logistic probit and poisson commands. The number in brackets after pearson chi2 is the degrees of freedom for this test which is 4 in this case. Pearson s chi square test for independence ling 300 fall 2008 what is the chi square test for. This tutorial explains how to perform a chi square test of independence in stata.
