R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-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(6.81,6.80,6.80,6.85,6.85,6.85,6.85,6.85,6.85,6.86,6.86,6.88,6.88,6.88,6.91,6.91,6.91,6.91,6.99,6.99,6.99,7.02,7.02,7.05,7.05,7.05,7.05,7.10,7.10,7.10,7.10,7.12,7.13,7.18,7.24,7.24,7.24,7.27,7.27,7.27,7.27,7.30,7.30,7.57,7.76,7.94,7.94,7.96,7.96,7.98,7.99,8.00,8.00,8.04,8.04,8.04,8.04,8.04,8.07,8.07,8.07,8.07,8.11,8.11,8.11,8.12,8.11,8.13,8.15,8.16,8.20,8.20,8.20,8.20,8.23,8.25,8.26,8.31,8.33,8.33,8.36,8.39,8.41,8.50,8.58,8.58,8.66,8.67,8.70,8.71,8.73,8.75,8.76,8.76,8.77,8.78)
> 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] 96
> (np <- floor(n / par1))
[1] 8
> 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] 8 8 8 8 8 8 8 8 8 8 8 8
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9]
 [1,] 6.81 6.88 7.05 7.24 7.96 8.07 8.20 8.58   NA
 [2,] 6.80 6.88 7.05 7.27 7.98 8.07 8.20 8.58   NA
 [3,] 6.80 6.91 7.05 7.27 7.99 8.11 8.23 8.66   NA
 [4,] 6.85 6.91 7.10 7.27 8.00 8.11 8.25 8.67   NA
 [5,] 6.85 6.91 7.10 7.27 8.00 8.11 8.26 8.70   NA
 [6,] 6.85 6.91 7.10 7.30 8.04 8.12 8.31 8.71   NA
 [7,] 6.85 6.99 7.10 7.30 8.04 8.11 8.33 8.73   NA
 [8,] 6.85 6.99 7.12 7.57 8.04 8.13 8.33 8.75   NA
 [9,] 6.85 6.99 7.13 7.76 8.04 8.15 8.36 8.76   NA
[10,] 6.86 7.02 7.18 7.94 8.04 8.16 8.39 8.76   NA
[11,] 6.86 7.02 7.24 7.94 8.07 8.20 8.41 8.77   NA
[12,] 6.88 7.05 7.24 7.96 8.07 8.20 8.50 8.78   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/wessaorg/rcomp/tmp/1wdhd1432152198.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/wessaorg/rcomp/tmp/29y341432152198.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/wessaorg/rcomp/tmp/34bcw1432152198.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/wessaorg/rcomp/tmp/4odp61432152198.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,] 6.810 6.800 6.80 6.850 6.850 6.850 6.850 6.850 6.850 6.860 6.860 6.880
[2,] 6.965 6.965 6.98 7.005 7.005 7.005 7.045 7.055 7.060 7.100 7.130 7.145
[3,] 7.600 7.625 7.63 7.635 7.635 7.670 7.670 7.805 7.900 7.990 8.005 8.015
[4,] 8.135 8.135 8.17 8.180 8.185 8.215 8.220 8.230 8.255 8.275 8.305 8.350
[5,] 8.580 8.580 8.66 8.670 8.700 8.710 8.730 8.750 8.760 8.760 8.770 8.780

$n
 [1] 8 8 8 8 8 8 8 8 8 8 8 8

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 6.946421 6.971421 6.965249 6.978628 6.975835 6.994077 7.013628 7.148628
[2,] 8.253579 8.278579 8.294751 8.291372 8.294165 8.345923 8.326372 8.461372
         [,9]    [,10]    [,11]   [,12]
[1,] 7.232456 7.333628 7.348628 7.34187
[2,] 8.567544 8.646372 8.661372 8.68813

$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(6.81, 6.965, 7.6, 8.135, 8.58, 6.8, 6.965,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5kyjs1432152198.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]  [,8] [,9]
[1,] 6.800 6.880 7.050 7.24 7.960 8.070 8.200 8.580   NA
[2,] 6.830 6.910 7.075 7.27 7.995 8.110 8.240 8.665   NA
[3,] 6.850 6.950 7.100 7.30 8.040 8.115 8.320 8.720   NA
[4,] 6.855 7.005 7.155 7.85 8.040 8.155 8.375 8.760   NA
[5,] 6.880 7.050 7.240 7.96 8.070 8.200 8.500 8.780   NA

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

$conf
         [,1]    [,2]     [,3]     [,4]     [,5]     [,6]     [,7]    [,8] [,9]
[1,] 6.838597 6.90667 7.063511 7.035458 8.019475 8.094475 8.258426 8.67667   NA
[2,] 6.861403 6.99333 7.136489 7.564542 8.060525 8.135525 8.381574 8.76333   NA

$out
numeric(0)

$group
numeric(0)

$names
[1] "1" "2" "3" "4" "5" "6" "7" "8" NA 

Warning message:
In bxp(list(stats = c(6.8, 6.83, 6.85, 6.855, 6.88, 6.88, 6.91,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/699o21432152198.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,] 0.6809119 1.770 1.06750
[2,] 0.6928913 1.835 1.08750
[3,] 0.6961071 1.870 1.09375
[4,] 0.7019028 1.900 1.10125
[5,] 0.7113719 1.910 1.11500

$n
[1] 12 12 12

$conf
          [,1]     [,2]     [,3]
[1,] 0.6919969 1.840353 1.087479
[2,] 0.7002173 1.899647 1.100021

$out
[1] 1.125

$group
[1] 3

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

Warning message:
In bxp(list(stats = c(0.680911941023633, 0.692891339839224, 0.696107093303271,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1wdhd1432152198.ps tmp/1wdhd1432152198.png",intern=TRUE))
character(0)
> try(system("convert tmp/29y341432152198.ps tmp/29y341432152198.png",intern=TRUE))
character(0)
> try(system("convert tmp/34bcw1432152198.ps tmp/34bcw1432152198.png",intern=TRUE))
character(0)
> try(system("convert tmp/4odp61432152198.ps tmp/4odp61432152198.png",intern=TRUE))
character(0)
> try(system("convert tmp/5kyjs1432152198.ps tmp/5kyjs1432152198.png",intern=TRUE))
character(0)
> try(system("convert tmp/699o21432152198.ps tmp/699o21432152198.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.129   0.435   2.574