R version 2.13.0 (2011-04-13) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: i486-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(58 + ,41 + ,53 + ,44 + ,59 + ,45 + ,166 + ,45 + ,51 + ,47 + ,64 + ,47 + ,52 + ,45 + ,65 + ,44 + ,62 + ,50 + ,61 + ,50 + ,61 + ,55 + ,54 + ,50 + ,50 + ,47 + ,63 + ,49 + ,58 + ,52 + ,39 + ,50 + ,71 + ,51 + ,52 + ,57 + ,68 + ,52 + ,56 + ,51 + ,54 + ,52 + ,63 + ,51 + ,54 + ,53 + ,54 + ,54 + ,75 + ,52 + ,56 + ,53 + ,78 + ,51 + ,60 + ,53 + ,64 + ,55 + ,64 + ,52 + ,52 + ,50 + ,62 + ,59 + ,55 + ,53 + ,56 + ,55 + ,50 + ,56 + ,50 + ,55 + ,63 + ,54 + ,61 + ,54 + ,53 + ,55 + ,60 + ,57 + ,56 + ,55 + ,53 + ,55 + ,57 + ,55 + ,57 + ,54 + ,56 + ,57 + ,56 + ,57 + ,50 + ,56 + ,52 + ,56 + ,55 + ,57 + ,47 + ,53 + ,45 + ,56 + ,62 + ,59 + ,53 + ,56 + ,52 + ,55 + ,57 + ,58 + ,64 + ,56 + ,59 + ,51 + ,55 + ,60 + ,76 + ,54 + ,62 + ,59 + ,68 + ,55 + ,55 + ,55 + ,45 + ,58 + ,68 + ,59 + ,44 + ,59 + ,62 + ,59 + ,56 + ,55 + ,50 + ,55 + ,53 + ,61 + ,64 + ,61 + ,52 + ,60 + ,53 + ,62 + ,54 + ,61 + ,64 + ,63 + ,55 + ,62 + ,55 + ,61 + ,59 + ,61 + ,70 + ,61 + ,57 + ,59 + ,47 + ,64 + ,47 + ,62 + ,48 + ,59 + ,57 + ,64 + ,51 + ,63 + ,54 + ,62 + ,53 + ,64 + ,59 + ,62 + ,59 + ,66 + ,63 + ,66 + ,66 + ,66 + ,53 + ,63 + ,63 + ,68 + ,56 + ,68 + ,60 + ,67 + ,58 + ,71 + ,50 + ,75 + ,59 + ,77 + ,51 + ,75 + ,62 + ,58 + ,77 + ,56 + ,68 + ,58 + ,76 + ,58 + ,76 + ,61 + ,69 + ,61 + ,71 + ,66 + ,65 + ,64 + ,70 + ,63 + ,92 + ,65 + ,76 + ,64 + ,119 + ,66 + ,65 + ,67 + ,66 + ,64 + ,101 + ,66 + ,75 + ,70 + ,79 + ,66 + ,64 + ,68 + ,69 + ,67 + ,88 + ,67 + ,65 + ,70 + ,80 + ,69 + ,78 + ,68 + ,85 + ,73 + ,82 + ,69 + ,74 + ,70 + ,102 + ,70 + ,65 + ,71 + ,73 + ,73 + ,75 + ,68 + ,57 + ,75 + ,68 + ,68 + ,71 + ,70 + ,71 + ,71 + ,97 + ,71 + ,80 + ,76 + ,66 + ,68 + ,69 + ,74 + ,69 + ,73 + ,55 + ,71 + ,59 + ,73 + ,62 + ,70 + ,70 + ,76 + ,84 + ,76 + ,69 + ,77 + ,88 + ,75 + ,103 + ,75 + ,63 + ,75 + ,84 + ,77 + ,79 + ,80 + ,67 + ,77 + ,83 + ,76 + ,96 + ,79 + ,75 + ,81 + ,65 + ,80 + ,78 + ,76 + ,69 + ,78 + ,87 + ,82 + ,83 + ,85 + ,90 + ,83 + ,85 + ,84 + ,66 + ,80 + ,88 + ,86 + ,54 + ,90 + ,69 + ,82 + ,56 + ,83 + ,96 + ,89 + ,76 + ,86 + ,61 + ,87 + ,62 + ,86 + ,71 + ,93 + ,66 + ,86 + ,81 + ,91 + ,68 + ,91 + ,80 + ,101 + ,70 + ,94 + ,76 + ,95 + ,88 + ,98 + ,89 + ,100 + ,74 + ,107 + ,83 + ,101 + ,90 + ,124 + ,79 + ,81) + ,dim=c(2 + ,181) + ,dimnames=list(c('weight' + ,'repwt ') + ,1:181)) > y <- array(NA,dim=c(2,181),dimnames=list(c('weight','repwt '),1:181)) > 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 = '0.95' > par6 = '0.0' > par5 = 'paired' > par4 = 'T-Test' > par3 = '2' > par2 = '1' > par1 = 'two.sided' > ylab = 'Y-Axis Title' > xlab = 'X-Axis Title' > main = 'Boxplots Title' > par8 <- 'TRUE' > par7 <- '0.95' > par6 <- '0.0' > par5 <- 'paired' > par4 <- 'T-Test' > par3 <- '2' > par2 <- '1' > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_Tests%20to%20Compare%20Two%20Means.wasp/ > #Source of accompanying publication: > # > par2 <- as.numeric(par2) > par3 <- as.numeric(par3) > par4 <- as.character(par4) > par5 <- as.character(par5) > par6 <- as.numeric(par6) > par7 <- as.numeric(par7) > par8 <- as.logical(par8) > if ( par5 == 'unpaired') paired <- FALSE else paired <- TRUE > x <- t(y) > if(par8){ + postscript(file="/var/wessaorg/rcomp/tmp/1fkk01338469195.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) + (r<-boxplot(x ,xlab=xlab,ylab=ylab,main=main,notch=FALSE,col=2)) + dev.off() + } null device 1 Warning messages: 1: In axis(side = 1, at = 1:2, labels = c("weight", "repwt\r")) : font width unknown for character 0xd 2: In axis(side = 1, at = 1:2, labels = c("weight", "repwt\r")) : font width unknown for character 0xd > > #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/wessaorg/rcomp/createtable") > > if( par4 == 'Wilcoxon-Mann_Whitney'){ + a<-table.start() + a <- table.row.start(a) + a <- table.element(a,'Wilcoxon Test',3,TRUE) + a <- table.row.end(a) + a <- table.row.start(a) + a <- table.element(a,'',1,TRUE) + a <- table.element(a,'Statistic',1,TRUE) + a <- table.element(a,'P-value',1,TRUE) + a <- table.row.end(a) + W <- wilcox.test(x[,par2],x[,par3],alternative=par1, paired = paired) + a<-table.row.start(a) + a<-table.element(a,'Wilcoxon Test',1,TRUE) + a<-table.element(a,W$statistic[[1]]) + a<-table.element(a,round(W$p.value, digits=5) ) + a<-table.row.end(a) + a<-table.end(a) + table.save(a,file="/var/wessaorg/rcomp/tmp/21ydz1338469195.tab") + } > if( par4 == 'T-Test') + { + T <- t.test(x[,par2],x[,par3],alternative=par1, paired=paired, mu=par6, conf.level=par7) + a<-table.start() + a <- table.row.start(a) + a <- table.element(a,'T-Test',3,TRUE) + a <- table.row.end(a) + if(paired){ + a <- table.row.start(a) + a <- table.element(a,'Difference: Mean1 - Mean2',1,TRUE) + a<-table.element(a,round(T$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/wessaorg/rcomp/tmp/3a7bq1338469195.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/wessaorg/rcomp/tmp/4uqjk1338469195.tab") > > try(system("convert tmp/1fkk01338469195.ps tmp/1fkk01338469195.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 0.552 0.129 0.674