A shortcut method is proposed using binomial coefficients to find the probabilities of all possible configurations of a 2 x 3 contingency table in a single operation. The method is especially useful ...

The methods of cross-ratios, equivalence classes and metrics that were introduced in a previous paper (Altham 1970) are extended to three further problems. First the interdependence of the rows, ...

sorts the data in descending order so that the first table cell contains the frequency of positive exposure and positive response computes chi-square tests, exact Pearson chi-square test, and Fisher's ...