R version 3.2.3 (2015-12-10) -- "Wooden Christmas-Tree"
Copyright (C) 2015 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> y <- c(-0.00362546,-0.081538157,0.02321837,-0.007356826,0.034326162,-0.018621966,-0.049985063,-0.020844341,0.003152273,0.009700787,-0.017549096,0.030149978,0.086366074,-0.673017327,0.10498804,-0.1117681,0.028627252,-0.055901968,-1.084365526,1.90499258,-0.08324419,0.03202561,0.228846121,0.431890398)
> x <- c(0.310084596,0.278403759,0.488085568,0.524136573,0.413733736,0.4681831,0.476715297,0.488284498,0.473341212,0.485132292,0.354395181,0.472117215,0.313855946,0.463167042,0.35890907,0.455290318,0.344383836,0.461334035,0.48928383,0.50146836,0.480779797,0.498951763,0.483351648,0.490403205)
> ylab = 'VWC'
> xlab = 'CH4'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Wessa P., (2012), Spearman Rank Correlation (v1.0.1) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_spearman.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #
> k <- cor.test(x,y,method='spearman')
> postscript(file="/var/wessaorg/rcomp/tmp/1t3td1453829452.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(x,y,main='Scatterplot',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/2inf81453829452.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(rank(x),rank(y),main='Scatterplot of Ranks',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Spearman Rank Correlation',2,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'rho',header=TRUE)
> a<-table.element(a,k$estimate)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'2-sided p-value',header=TRUE)
> a<-table.element(a,k$p.value)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'S',header=TRUE)
> a<-table.element(a,k$statistic)
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/364ps1453829452.tab") 
> 
> try(system("convert tmp/1t3td1453829452.ps tmp/1t3td1453829452.png",intern=TRUE))
character(0)
> try(system("convert tmp/2inf81453829452.ps tmp/2inf81453829452.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.952   0.132   1.085