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This page will perform basic multiple regression analysis for the case where there are several independent predictor variables, X1, X2, etc., and one dependent or criterion variable, Y. Requires import of data from a...
This page calculates the point biserial correlation coefficient for the case where one variable is dichotomous and the other is nondichotomous. This page allows the user to input the data directly or copy and paste...
This calculator performs the following for a contingency table up to 5x5: chisquare analysis; Cramer's V; two asymmetrical versions of lambda; the GoodmanKruskal index of predictive association; other measures...
Given three overlapping correlation coefficients: rXY, rXZ, and rYZ, this page will calculate the firstorder partial correlations: rXY.Z, rXZ.Y, and rYZ.X. If you enter the value of N (providing N>6), the program will...
This page calculates the Poisson distribution that most closely fits an observed frequency distribution, as determined by the method of least squares. Users enter observed frequencies, and the page returns the fitted...

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