smd.and.more (1.3-0)

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t-test with Graph of Standardized Mean Difference, and More.

http://cran.r-project.org/web/packages/smd.and.more

The function smd.t.test enhances the output of the independent groups t-test. This output includes descriptive and inferential statistics, including the standardized mean difference or Cohen's d. The smd.t.test function also introduces the ODDSMD plot, which displays the Overlapping Density Distributions of the two groups as well as a visual display of the mean difference and Standardized Mean Difference. Other functions provide for the t-test from descriptive statistics, color plotting, a calibrated power curve plotted with colors from one statement, and regression analysis from one statement. To obtain a one statement read and initial processing of csv data, use the function rad, for Read, Attach and Display. The parallel function out writes the csv file. The function help.me provides a help system that suggests specific analyses by providing the name of the relevant functions for a specific topic.

Maintainer: David W. Gerbing
Author(s): David W. Gerbing, School of Business Administration, Portland State University

License: GPL-2

Uses: MBESS

Released over 9 years ago.


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