R version 2.7.2 (2008-08-25)
Copyright (C) 2008 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(0.117354396717212
+ ,0.118845681032272
+ ,0.112391885267935
+ ,0.111306414892192
+ ,0.111557866161293
+ ,0.115874513020299
+ ,0.120518600028397
+ ,0.127937652516104
+ ,0.11613316666403
+ ,0.109945475878252
+ ,0.116553866162416
+ ,0.116068157652546
+ ,0.113370026071156
+ ,0.123182199760877
+ ,0.111632647202366
+ ,0.109758101752217
+ ,0.105238647621144
+ ,0.110567657536647
+ ,0.109445829081846
+ ,0.115565377944385
+ ,0.109040168162481
+ ,0.118699838338174
+ ,0.115706070657763
+ ,0.103330532839008
+ ,0.114086556139986
+ ,0.111186708004422
+ ,0.108409409523554
+ ,0.101131998751098
+ ,0.101340239460215
+ ,0.101132392401369
+ ,0.103330089281936
+ ,0.112997274264224
+ ,0.101388063209412
+ ,0.0954252014189293
+ ,0.111307936120104
+ ,0.108517581966327
+ ,0.113117723156533
+ ,0.12234246171967
+ ,0.116281802327739
+ ,0.092816312987346
+ ,0.0954083259281368
+ ,0.0983760049075001
+ ,0.100589152001216
+ ,0.104522549361392
+ ,0.0998363447670241
+ ,0.0959721467215449
+ ,0.097031371532279
+ ,0.093072585629373
+ ,0.100082898456186
+ ,0.100416078984485
+ ,0.10057893372505
+ ,0.0940357410855729
+ ,0.0902738332694873
+ ,0.0956823578799632
+ ,0.103656114777059
+ ,0.111759459418603
+ ,0.10108471855862
+ ,0.0980399013830847
+ ,0.0975611265478894
+ ,0.0955190702462385)
> #'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/108du1224849002.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 
> 
> #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> 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/2a9xc1224849002.tab") 
> 
> system("convert tmp/108du1224849002.ps tmp/108du1224849002.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.673   0.191   0.798