For a Rows by Columns Contingency Table
For a contingency table containing up to 5 rows and 5 columns, this page will:
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 perform a chisquare analysis [the logic and computational details of chisquare tests are described in Chapter 8 of Concepts and Applications];


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 calculate Cramer's V, which is a measure of the strength of association among the levels of the row and column variables [for a 2x2 table, Cramer's V is equal to the absolute value of the phi coefficient];

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 and calculate the two asymmetrical versions of lambda, the Goodman Kruskal index of predictive association, along with some other measures relevant to categorical prediction. [Click here for a brief explanation of lambda.]

To begin, select the number of rows and the number of columns by clicking the appropriate buttons below; then enter your data into the appropriate cells of the dataentry matrix. After all data have been entered, click the «Calculate» button.
Data Entry_{Q}
[Click here for a brief explanation of lambda.]
Estimated Probability of Correct Prediction
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©Richard Lowry 2001
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