Package ‘ psych ’

Package ‘ psych ’ September 22 , 2010

Package ‘ psych ’ August 29 , 2013

Package ‘ SSDforR ’ August 29 , 2013

August 29, 2013 Type Package Title SSD for R to analyze single system data Version 1.3 Date 2013-03-28 Author Charles Auerbach,PHD Wendy Zeitlin Schudrich,PHD Wurzweiler School of Social Work Maintainer Charles Auerbach Depends R (>= 2.10.0), stats, graphics, utils, tcltk,psych Suggests MASS, TSA,TTR Description Package to visually and statistically analyze single system data ...

How To: Use the psych package for Factor Analysis and data reduction

4 Basic data analysis 7 4.1 Getting the data by using read.file . . . . . . . . . . . . . . . . . . . . . . . 7 4.2 Data input from the clipboard . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3 Basic descriptive statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.4 Simple descriptive graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.4.1 Scatter Plot M...

Package ‘ random . polychor . pa ’

Description The Function performs a parallel analysis using simulated polychoric correlation matrices. The nth-percentile of the eigenvalues distribution obtained from both the randomly generated and the real data polychoric correlation matrices is returned. A plot comparing the two types of eigenvalues (real and simulated) will help determine the number of real eigenvalues that outperform rand...