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Logistic Regression

Item posted by John Darrington <jmd> on Wed 28 Nov 2012 07:04:47 PM UTC.

The LOGISTIC REGRESSION command has been recently added to PSPP.

Logistic regression enables one to find the coefficients of one or more predictor variables explaining a dichotomous dependent variable, and to investigate the significance of such explanatory relationships.   Both continuous and categorical predictor variables are supported as well as interactions between variables. 

This complements the existing linear regression and anova routines.   Like most procedures in PSPP it may be scripted, or run interactively either at the terminal, or using the graphical user interface.

PSPP is a program for the analysis of sampled data, which can cope with extremely large datasets.  It is free software which commonly finds use among the social sciences, but is also suitable for any application requiring the analysis of large volumes of data.

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