R version 2.15.2 (2012-10-26) -- "Trick or Treat" Copyright (C) 2012 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i686-pc-linux-gnu (32-bit) 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 <- array(list(1.593 + ,1.613 + ,1.524 + ,1.619 + ,1.638 + ,1.486 + ,1.619 + ,1.638 + ,1.486 + ,1.618 + ,1.638 + ,1.486 + ,1.618 + ,1.638 + ,1.486 + ,1.618 + ,1.638 + ,1.486 + ,1.653 + ,1.673 + ,1.523 + ,1.653 + ,1.673 + ,1.523 + ,1.653 + ,1.673 + ,1.523 + ,1.653 + ,1.673 + ,1.523 + ,1.653 + ,1.673 + ,1.523 + ,1.653 + ,1.673 + ,1.523 + ,1.653 + ,1.673 + ,1.523 + ,1.653 + ,1.673 + ,1.55 + ,1.667 + ,1.688 + ,1.55 + ,1.667 + ,1.688 + ,1.55 + ,1.667 + ,1.688 + ,1.55 + ,1.667 + ,1.688 + ,1.55 + ,1.667 + ,1.688 + ,1.55 + ,1.667 + ,1.688 + ,1.55 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.516 + ,1.667 + ,1.688 + ,1.498 + ,1.667 + ,1.688 + ,1.498 + ,1.667 + ,1.688 + ,1.498 + ,1.667 + ,1.688 + ,1.498 + ,1.667 + ,1.688 + ,1.498 + ,1.667 + ,1.688 + ,1.498 + ,1.667 + ,1.688 + ,1.498 + ,1.667 + ,1.688 + 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array(NA,dim=c(3,183),dimnames=list(c('Super95','Super98','Diesel'),1:183)) > for (i in 1:dim(x)[1]) + { + for (j in 1:dim(x)[2]) + { + y[i,j] <- as.numeric(x[i,j]) + } + } > par1 = 'kendall' > main = 'Correlation Matrix' > panel.tau <- function(x, y, digits=2, prefix='', cex.cor) + { + usr <- par('usr'); on.exit(par(usr)) + par(usr = c(0, 1, 0, 1)) + rr <- cor.test(x, y, method=par1) + r <- round(rr$p.value,2) + txt <- format(c(r, 0.123456789), digits=digits)[1] + txt <- paste(prefix, txt, sep='') + if(missing(cex.cor)) cex <- 0.5/strwidth(txt) + text(0.5, 0.5, txt, cex = cex) + } > panel.hist <- function(x, ...) + { + usr <- par('usr'); on.exit(par(usr)) + par(usr = c(usr[1:2], 0, 1.5) ) + h <- hist(x, plot = FALSE) + breaks <- h$breaks; nB <- length(breaks) + y <- h$counts; y <- y/max(y) + rect(breaks[-nB], 0, breaks[-1], y, col='grey', ...) + } > postscript(file="/var/wessaorg/rcomp/tmp/194rd1355168417.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > pairs(t(y),diag.panel=panel.hist, upper.panel=panel.smooth, lower.panel=panel.tau, main=main) > dev.off() null device 1 > > #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/wessaorg/rcomp/createtable") > > n <- length(y[,1]) > n [1] 3 > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,paste('Correlations for all pairs of data series (method=',par1,')',sep=''),n+1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,' ',header=TRUE) > for (i in 1:n) { + a<-table.element(a,dimnames(t(x))[[2]][i],header=TRUE) + } > a<-table.row.end(a) > for (i in 1:n) { + a<-table.row.start(a) + a<-table.element(a,dimnames(t(x))[[2]][i],header=TRUE) + for (j in 1:n) { + r <- cor.test(y[i,],y[j,],method=par1) + a<-table.element(a,round(r$estimate,3)) + } + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/2eunk1355168418.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Correlations for all pairs of data series with p-values',4,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'pair',1,TRUE) > a<-table.element(a,'Pearson r',1,TRUE) > a<-table.element(a,'Spearman rho',1,TRUE) > a<-table.element(a,'Kendall tau',1,TRUE) > a<-table.row.end(a) > cor.test(y[1,],y[2,],method=par1) Kendall's rank correlation tau data: y[1, ] and y[2, ] z = 17.3852, p-value < 2.2e-16 alternative hypothesis: true tau is not equal to 0 sample estimates: tau 0.9238697 > for (i in 1:(n-1)) + { + for (j in (i+1):n) + { + a<-table.row.start(a) + dum <- paste(dimnames(t(x))[[2]][i],';',dimnames(t(x))[[2]][j],sep='') + a<-table.element(a,dum,header=TRUE) + rp <- cor.test(y[i,],y[j,],method='pearson') + a<-table.element(a,round(rp$estimate,4)) + rs <- cor.test(y[i,],y[j,],method='spearman') + a<-table.element(a,round(rs$estimate,4)) + rk <- cor.test(y[i,],y[j,],method='kendall') + a<-table.element(a,round(rk$estimate,4)) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'p-value',header=T) + a<-table.element(a,paste('(',round(rp$p.value,4),')',sep='')) + a<-table.element(a,paste('(',round(rs$p.value,4),')',sep='')) + a<-table.element(a,paste('(',round(rk$p.value,4),')',sep='')) + a<-table.row.end(a) + } + } Warning messages: 1: In cor.test.default(y[i, ], y[j, ], method = "spearman") : Cannot compute exact p-values with ties 2: In cor.test.default(y[i, ], y[j, ], method = "spearman") : Cannot compute exact p-values with ties 3: In cor.test.default(y[i, ], y[j, ], method = "spearman") : Cannot compute exact p-values with ties > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/3h7i91355168418.tab") > > try(system("convert tmp/194rd1355168417.ps tmp/194rd1355168417.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.537 0.178 1.685