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 <- c(7.66,7.53,7.54,7.56,7.57,7.56,7.57,7.61,7.61,7.6,7.61,7.61,7.62,7.7,7.73,7.75,7.76,7.76,7.77,7.79,7.79,7.79,7.83,7.83,7.88,7.95,8.01,8.05,8.1,8.1,8.16,8.18,8.2,7.99,8.01,8.02,8.03,8.04,8.07,8.08,8.08,8.1,8.11,8.15,8.16,8.17,8.18,8.15,8.15,8.17,8.16,8.15,8.16,8.15,8.18,8.19,8.18,8.2,8.21,8.22,8.23,8.25,8.28,8.28,8.29,8.3,8.34,8.38,8.39,8.44,8.46,8.46)
> par1 = '12'
> par1 <- '12'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Wessa P., (2012), Standard Deviation Plot (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_sdplot.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 72
> (np <- floor(n / par1))
[1] 6
> arr <- array(NA,dim=c(par1,np+1))
> ari <- array(0,dim=par1)
> j <- 0
> for (i in 1:n)
+ {
+ j = j + 1
+ ari[j] = ari[j] + 1
+ arr[j,ari[j]] <- x[i]
+ if (j == par1) j = 0
+ }
> ari
 [1] 6 6 6 6 6 6 6 6 6 6 6 6
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,] 7.66 7.62 7.88 8.03 8.15 8.23   NA
 [2,] 7.53 7.70 7.95 8.04 8.17 8.25   NA
 [3,] 7.54 7.73 8.01 8.07 8.16 8.28   NA
 [4,] 7.56 7.75 8.05 8.08 8.15 8.28   NA
 [5,] 7.57 7.76 8.10 8.08 8.16 8.29   NA
 [6,] 7.56 7.76 8.10 8.10 8.15 8.30   NA
 [7,] 7.57 7.77 8.16 8.11 8.18 8.34   NA
 [8,] 7.61 7.79 8.18 8.15 8.19 8.38   NA
 [9,] 7.61 7.79 8.20 8.16 8.18 8.39   NA
[10,] 7.60 7.79 7.99 8.17 8.20 8.44   NA
[11,] 7.61 7.83 8.01 8.18 8.21 8.46   NA
[12,] 7.61 7.83 8.02 8.15 8.22 8.46   NA
> arr.sd <- array(NA,dim=par1)
> arr.range <- array(NA,dim=par1)
> arr.iqr <- array(NA,dim=par1)
> for (j in 1:par1)
+ {
+ arr.sd[j] <- sqrt(var(arr[j,],na.rm=TRUE))
+ arr.range[j] <- max(arr[j,],na.rm=TRUE) - min(arr[j,],na.rm=TRUE)
+ arr.iqr[j] <- quantile(arr[j,],0.75,na.rm=TRUE) - quantile(arr[j,],0.25,na.rm=TRUE)
+ }
> overall.sd <- sqrt(var(x))
> overall.range <- max(x) - min(x)
> overall.iqr <- quantile(x,0.75) - quantile(x,0.25)
> postscript(file="/var/fisher/rcomp/tmp/10rz71355322945.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.sd,type='b',ylab='S.D.',main='Standard Deviation Plot',xlab='Periodic Index')
> mtext(paste('# blocks = ',np))
> abline(overall.sd,0)
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/269tv1355322945.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.range,type='b',ylab='range',main='Range Plot',xlab='Periodic Index')
> mtext(paste('# blocks = ',np))
> abline(overall.range,0)
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/3ppg91355322945.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.iqr,type='b',ylab='IQR',main='Interquartile Range Plot',xlab='Periodic Index')
> mtext(paste('# blocks = ',np))
> abline(overall.iqr,0)
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/4cvgr1355322945.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(t(arr))
> names(z) <- c(1:par1)
> (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Periodic Subseries'))
$stats
      [,1]  [,2] [,3]  [,4] [,5] [,6]  [,7]  [,8] [,9] [,10] [,11] [,12]
[1,] 7.620 7.530 7.54 7.560 7.57 7.56 7.570 7.610 7.61  7.60 7.610 7.610
[2,] 7.660 7.700 7.73 7.750 7.76 7.76 7.770 7.790 7.79  7.79 7.830 7.830
[3,] 7.955 7.995 8.04 8.065 8.09 8.10 8.135 8.165 8.17  8.08 8.095 8.085
[4,] 8.150 8.170 8.16 8.150 8.16 8.15 8.180 8.190 8.20  8.20 8.210 8.220
[5,] 8.230 8.250 8.28 8.280 8.29 8.30 8.340 8.380 8.39  8.44 8.460 8.460

$n
 [1] 6 6 6 6 6 6 6 6 6 6 6 6

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 7.638934 7.691835 7.762636 7.806987 7.831987 7.848437 7.870537 7.906987
[2,] 8.271066 8.298165 8.317364 8.323013 8.348013 8.351563 8.399463 8.423013
         [,9]    [,10]    [,11]    [,12]
[1,] 7.905537 7.815537 7.849888 7.833437
[2,] 8.434463 8.344463 8.340112 8.336563

$out
numeric(0)

$group
numeric(0)

$names
 [1] "1"  "2"  "3"  "4"  "5"  "6"  "7"  "8"  "9"  "10" "11" "12"

Warning message:
In bxp(list(stats = c(7.62, 7.66, 7.955, 8.15, 8.23, 7.53, 7.7,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/55d9e1355322945.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(arr)
> names(z) <- c(1:np)
> (boxplot(z,notch=TRUE,col='grey',xlab='Block Index',ylab='Value',main='Notched Box Plots - Sequential Blocks'))
$stats
      [,1]  [,2]  [,3]  [,4]  [,5]  [,6] [,7]
[1,] 7.530 7.700 7.880 8.030 8.150 8.230   NA
[2,] 7.560 7.740 8.000 8.075 8.155 8.280   NA
[3,] 7.585 7.765 8.035 8.105 8.175 8.320   NA
[4,] 7.610 7.790 8.130 8.155 8.195 8.415   NA
[5,] 7.660 7.830 8.200 8.180 8.220 8.460   NA

$n
[1] 12 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 7.562195 7.742195 7.975706 8.068511 8.156756 8.258426   NA
[2,] 7.607805 7.787805 8.094294 8.141489 8.193244 8.381574   NA

$out
[1] 7.62

$group
[1] 2

$names
[1] "1" "2" "3" "4" "5" "6" NA 

Warning message:
In bxp(list(stats = c(7.53, 7.56, 7.585, 7.61, 7.66, 7.7, 7.74,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/6w9h81355322945.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(cbind(arr.sd,arr.range,arr.iqr))
> names(z) <- list('S.D.','Range','IQR')
> (boxplot(z,notch=TRUE,col='grey',ylab='Overall Variability',main='Notched Box Plots'))
$stats
          [,1]  [,2]   [,3]
[1,] 0.2529361 0.610 0.2925
[2,] 0.2741909 0.720 0.3075
[3,] 0.2832775 0.755 0.3225
[4,] 0.2962936 0.810 0.3450
[5,] 0.3035402 0.850 0.3750

$n
[1] 12 12 12

$conf
          [,1]      [,2]     [,3]
[1,] 0.2731963 0.7139504 0.305396
[2,] 0.2933586 0.7960496 0.339604

$out
[1] 0.405

$group
[1] 3

$names
[1] "S.D."  "Range" "IQR"  

Warning message:
In bxp(list(stats = c(0.252936092060162, 0.274190870829342, 0.28327745019338,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/10rz71355322945.ps tmp/10rz71355322945.png",intern=TRUE))
character(0)
> try(system("convert tmp/269tv1355322945.ps tmp/269tv1355322945.png",intern=TRUE))
character(0)
> try(system("convert tmp/3ppg91355322945.ps tmp/3ppg91355322945.png",intern=TRUE))
character(0)
> try(system("convert tmp/4cvgr1355322945.ps tmp/4cvgr1355322945.png",intern=TRUE))
character(0)
> try(system("convert tmp/55d9e1355322945.ps tmp/55d9e1355322945.png",intern=TRUE))
character(0)
> try(system("convert tmp/6w9h81355322945.ps tmp/6w9h81355322945.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.224   0.868   4.082