# R Dataset / Package psych / Gorsuch

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On this Picostat.com statistics page, you will find information about the Gorsuch data set which pertains to Example data set from Gorsuch (1997) for an example factor extension.. The Gorsuch data set is found in the psych R package. You can load the Gorsuch data set in R by issuing the following command at the console data("Gorsuch"). This will load the data into a variable called Gorsuch. If R says the Gorsuch data set is not found, you can try installing the package by issuing this command install.packages("psych") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Gorsuch R data set. The size of this file is about 638 bytes. ## Example data set from Gorsuch (1997) for an example factor extension.## DescriptionGorsuch (1997) suggests an alternative to the classic Dwyer (1937) factor extension technique. This data set is taken from that article. Useful for comparing ## Usagedata(Gorsuch) ## DetailsGorsuc (1997) suggested an alternative model for factor extension. His method is appropriate for the case of repeated variables. This is handled in ## SourceRichard L. Gorsuch (1997) New Procedure for Extension Analysis in Exploratory Factor Analysis. Educational and Psychological Measurement, 57, 725-740. ## ReferencesDwyer, Paul S. (1937), The determination of the factor loadings of a given test from the known factor loadings of other tests. Psychometrika, 3, 173-178 ## Examplesdata(Gorsuch)Ro <- Gorsuch[1:6,1:6] Roe <- Gorsuch[1:6,7:10] fo <- fa(Ro,2,rotate="none") fa.extension(Roe,fo,correct=FALSE) -- Dataset imported from https://www.r-project.org. |

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dataset-85438.csv | 638 bytes |