Tutorial Uji T2 Hotelling Spss How To Calculate Hotellings

Tutorial Uji T2 Hotelling Spss How To Calculate Hotellings

Here we demonstrate how to calculate Hotellings T2 using R and SAS, and test the code using a simulation study then apply it to data from the HELP study.

R We utilize an approach suggested by Peter Mandeville in a posting to the R-help mailing list.

To test the function, we ran a simulation study to ensure that under the null hypothesis the function rejected approximately 5 of the time.

This hides the actual value of the statistic, but generates the desired p-value.

This roughly parallels the R development above, though we omit the test for equal number of variables.

To obtain an exact p-value, compute the permutation distribution of Hotellings T2.

The procedure is described in the Practitioners Guide to Resampling Methods.

Robert Alan Greevy, Jr, Teaching of Statistics in the Health Sciences I use SAS and R on a daily basis.

Each has strengths and weaknesses, and using both of them gives the advantage of being able to do almost anything when it comes to data manipulation, analysis, and graphics.

If you use both SAS and R on a regular basis, get this book.

If you know one of the packages and are learning the other, you may need more than this book, but get this book, too.

Charles Heckler, University of Rochester, Technometrics Excellent cross-referencing to other topics and end-of-chapter worked examples on the Health evaluation and linkage to primary care data set are given with each topic.

Frances Denny, Journal of the Royal Statistical Society, Series A.

Nicholas Horton is a Professor of Statistics at Amherst College.

Nicks home page; Nicks Google Scholar author page Ken Kleinman is an Associate Professor with the Department of Biostatistics and Epidemiology at the University of Massachusetts, Amherst.

He is a consulting biostatistician with expertise in group-randomized trials and disease surveillance; he also offers R training courses.

This blog is where we post additional examples for our books about SAS and R ( Amazon: SAS and R.) Please also visit the web site for the book, where code from the book and additional information are available.

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