R version 2.6.0 (2007-10-03) Copyright (C) 2007 The R Foundation for Statistical Computing ISBN 3-900051-07-0 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > x <- c(106.8,113.7,102.5,96.6,92.1,95.6,102.3,98.6,98.2,104.5,84,73.8,103.9,106,97.2,102.6,89,93.8,116.7,106.8,98.5,118.7,90,91.9,113.3,113.1,104.1,108.7,96.7,101,116.9,105.8,99,129.4,83,88.9,115.9,104.2,113.4,112.2,100.8,107.3,126.6,102.9,117.9,128.8,87.5,93.8,122.7,126.2,124.6,116.7,115.2,111.1,129.9,113.3,118.5,133.5,102.1,102.4) > #'GNU S' R Code compiled by R2WASP v. 1.0.44 () > #Author: Prof. Dr. P. Wessa > #To cite this work: Wessa P., (2007), Tukey lambda PPCC Plot (v1.0.1) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_tukeylambda.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description > gp <- function(lambda, p) + { + (p^lambda-(1-p)^lambda)/lambda + } > sortx <- sort(x) > c <- array(NA,dim=c(201)) > for (i in 1:201) + { + if (i != 101) c[i] <- cor(gp(ppoints(x), lambda=(i-101)/100),sortx) + } > postscript(file="/var/www/html/rcomp/tmp/1ugmw1194096107.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot((-100:100)/100,c[1:201],xlab='lambda',ylab='correlation',main='PPCC Plot - Tukey lambda') > grid() > dev.off() null device 1 > load(file='/var/www/html/rcomp/createtable') > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Tukey Lambda - Key Values',2,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Distribution (lambda)',1,TRUE) > a<-table.element(a,'Correlation',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Approx. Cauchy (lambda=-1)',header=TRUE) > a<-table.element(a,c[1]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Exact Logistic (lambda=0)',header=TRUE) > a<-table.element(a,(c[100]+c[102])/2) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Approx. Normal (lambda=0.14)',header=TRUE) > a<-table.element(a,c[115]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'U-shaped (lambda=0.5)',header=TRUE) > a<-table.element(a,c[151]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Exactly Uniform (lambda=1)',header=TRUE) > a<-table.element(a,c[201]) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/www/html/rcomp/tmp/2kaxv1194096108.tab") > > system("convert tmp/1ugmw1194096107.ps tmp/1ugmw1194096107.png") > > > proc.time() user system elapsed 1.242 0.297 1.297