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Type 'q()' to quit R. > x <- array(list(68.95,70.18,70.84,69.94,70.26,69.61,70.93,71.39,70.71,72.54,70.73,70.48,70.2,70.48,69.76,71.68,71.46,70.59,70.31,71.61,69.24,70.56,70.94,72.74,68.98,72.63,71.16,71.58,69.96,70.14,69.66,71.22,70.2,70.72,69.99,71.37,71.97,69.73,68.29,71.29,67.67,73.19,70.07,70.64,70.89,69.3,69.66,71.76,71.12,70.28,70.6`,69.77,70.09,70.37,70.55,71.7,71.63,70.85,69.3,71.07),dim=c(2,30),dimnames=list(c('Drug','Placebo'),1:30)) + y <- array(NA,dim=c(2,30),dimnames=list(c('Drug','Placebo'),1:30)) + for (i in 1:dim(x)[1]) + { + for (j in 1:dim(x)[2]) + { + y[i,j] <- as.numeric(x[i,j]) + } + } + par8 = 'TRUE' + par7 = '' + par6 = '' + par5 = 'paired' + par4 = 'T-Test' + par3 = '' + par2 = '' + par1 = 'two.sided' + ylab = 'Y-Axis Title' + xlab = 'X-Axis Title' + main = 'Boxplots Title' + par8 <- 'TRUE' + par7 <- '' + par6 <- '' + par5 <- 'paired' + par4 <- 'T-Test' + par3 <- '' + par2 <- '' + par1 <- 'two.sided' + #'GNU S' R Code compiled by R2WASP v. 1.2.291 () + #Author: aston2 + #To cite this work: Ian E. Holliday, 2012, T-Tests (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_Tests%20to%20Compare%20Two%20Means.wasp/ + #Source of accompanying publication: + # + par2 <- as.numeric(par2) + par3 <- as.numeric(par3) + par4 <- as.character(par4) + par5 <- as.character(par5) + par6 <- as.numeric(par6) + par7 <- as.numeric(par7) + par8 <- as.logical(par8) + if ( par5 == 'unpaired') paired <- FALSE else paired <- TRUE + x <- t(y) + if(par8){ + postscript(file="/var/fisher/rcomp/tmp/1cg281383596214.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) + (r<-boxplot(x ,xlab=xlab,ylab=ylab,main=main,notch=FALSE,col=2)) + dev.off() + } + + #Note: the /var/fisher/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab + load(file="/var/fisher/rcomp/createtable") + + if( par4 == 'Wilcoxon-Mann_Whitney'){ + a<-table.start() + a <- table.row.start(a) + a <- table.element(a,'Wilcoxon Test',3,TRUE) + a <- table.row.end(a) + a <- table.row.start(a) + a <- table.element(a,'',1,TRUE) + a <- table.element(a,'Statistic',1,TRUE) + a <- table.element(a,'P-value',1,TRUE) + a <- table.row.end(a) + W <- wilcox.test(x[,par2],x[,par3],alternative=par1, paired = paired) + a<-table.row.start(a) + a<-table.element(a,'Wilcoxon Test',1,TRUE) + a<-table.element(a,W$statistic[[1]]) + a<-table.element(a,round(W$p.value, digits=5) ) + a<-table.row.end(a) + a<-table.end(a) + table.save(a,file="/var/fisher/rcomp/tmp/2emyn1383596214.tab") + } + if( par4 == 'T-Test') + { + T <- t.test(x[,par2],x[,par3],alternative=par1, paired=paired, mu=par6, conf.level=par7) + a<-table.start() + a <- table.row.start(a) + a <- table.element(a,'T-Test',3,TRUE) + a <- table.row.end(a) + if(paired){ + a <- table.row.start(a) + a <- table.element(a,'Difference: Mean1 - Mean2',1,TRUE) + a<-table.element(a,round(T$estimate, digits=5) ) + a <- table.row.end(a) + } + if(!paired){ + a <- table.row.start(a) + a <- table.element(a,'Mean1',1,TRUE) + a<-table.element(a,round(T$estimate[1], digits=5) ) + a <- table.row.end(a) + a <- table.row.start(a) + a <- table.element(a,'Mean2',1,TRUE) + a<-table.element(a,round(T$estimate[2], digits=5) ) + a <- table.row.end(a) + } + a <- table.row.start(a) + a <- table.element(a,'T Statistic',1,TRUE) + a<-table.element(a,round(T$statistic, digits=5) ) + a <- table.row.end(a) + a <- table.row.start(a) + a <- table.element(a,'P-value',1,TRUE) + a<-table.element(a,round(T$p.value, digits=5) ) + a <- table.row.end(a) + a <- table.row.start(a) + a <- table.element(a,'Lower Confidence Limit',1,TRUE) + a<-table.element(a,round(T$conf.int[1], digits=5) ) + a <- table.row.end(a) + a<-table.row.start(a) + a <- table.element(a,'Upper Confidence Limit',1,TRUE) + a<-table.element(a,round(T$conf.int[2], digits=5) ) + a <- table.row.end(a) + a<-table.end(a) + table.save(a,file="/var/fisher/rcomp/tmp/3uumm1383596214.tab") + } + a<-table.start() + a <- table.row.start(a) + a <- table.element(a,'Standard Deviations',3,TRUE) + a <- table.row.end(a) + a <- table.row.start(a) + a <- table.element(a,'Variable 1',1,TRUE) + a<-table.element(a,round(sd(x[,par2], na.rm=TRUE), digits=5) ) + a <- table.row.end(a) + a <- table.row.start(a) + a <- table.element(a,'Variable 2',1,TRUE) + a<-table.element(a,round(sd(x[,par3], na.rm=TRUE), digits=5) ) + a <- table.row.end(a) + a<-table.end(a) + table.save(a,file="/var/fisher/rcomp/tmp/4ojr61383596214.tab") + + try(system("convert tmp/1cg281383596214.ps tmp/1cg281383596214.png",intern=TRUE)) + + > proc.time() user system elapsed 0.311 0.050 0.341