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)

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> x <- c(48.74,48.79,48.82,48.82,49.20,49.30,49.30,49.34,49.47,49.65,49.70,49.75,49.75,49.70,50.09,50.19,50.53,50.55,50.55,50.55,50.58,50.61,50.94,51.01,51.01,51.04,51.15,51.31,51.31,51.34,51.34,51.34,51.47,51.95,51.97,51.92,51.92,51.91,51.97,52.14,52.33,52.40,52.40,52.41,52.71,53.17,53.33,53.32,53.32,53.30,53.31,53.72,53.87,53.91,53.91,53.96,54.02,54.33,54.48,54.54,52.40,52.45,52.38,52.45,52.83,52.76,52.86,52.88,53.32,53.20,53.22,53.22)
> 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,] 48.74 49.75 51.01 51.92 53.32 52.40   NA
 [2,] 48.79 49.70 51.04 51.91 53.30 52.45   NA
 [3,] 48.82 50.09 51.15 51.97 53.31 52.38   NA
 [4,] 48.82 50.19 51.31 52.14 53.72 52.45   NA
 [5,] 49.20 50.53 51.31 52.33 53.87 52.83   NA
 [6,] 49.30 50.55 51.34 52.40 53.91 52.76   NA
 [7,] 49.30 50.55 51.34 52.40 53.91 52.86   NA
 [8,] 49.34 50.55 51.34 52.41 53.96 52.88   NA
 [9,] 49.47 50.58 51.47 52.71 54.02 53.32   NA
[10,] 49.65 50.61 51.95 53.17 54.33 53.20   NA
[11,] 49.70 50.94 51.97 53.33 54.48 53.22   NA
[12,] 49.75 51.01 51.92 53.32 54.54 53.22   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/1qw041416595874.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/2xxdx1416595874.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/3hc3a1416595874.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/47hk61416595874.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]
[1,] 48.740 48.790 48.82 48.820 49.20 49.30 49.30 49.340 49.47 49.65 49.700
[2,] 49.750 49.700 50.09 50.190 50.53 50.55 50.55 50.550 50.58 50.61 50.940
[3,] 51.465 51.475 51.56 51.725 51.82 51.87 51.87 51.875 52.09 52.56 52.595
[4,] 52.400 52.450 52.38 52.450 52.83 52.76 52.86 52.880 53.32 53.20 53.330
[5,] 53.320 53.300 53.31 53.720 53.87 53.91 53.91 53.960 54.02 54.33 54.480
     [,12]
[1,] 49.75
[2,] 51.01
[3,] 52.57
[4,] 53.32
[5,] 54.54

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 49.75566 49.70116 50.08288 50.26723 50.33643 50.44448 50.37998 50.37207
[2,] 53.17434 53.24884 53.03712 53.18277 53.30357 53.29552 53.36002 53.37793
         [,9]    [,10]    [,11]    [,12]
[1,] 50.32261 50.88937 51.05337 51.07998
[2,] 53.85739 54.23063 54.13663 54.06002

$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(48.74, 49.75, 51.465, 52.4, 53.32, 48.79,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5aitv1416595874.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,] 48.74 49.700 51.010 51.910 53.300 52.380   NA
[2,] 48.82 50.140 51.230 52.055 53.520 52.450   NA
[3,] 49.30 50.550 51.340 52.400 53.910 52.845   NA
[4,] 49.56 50.595 51.695 52.940 54.175 53.210   NA
[5,] 49.75 51.010 51.970 53.330 54.540 53.320   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 48.96248 50.34247 51.12791 51.99635 53.61125 52.49836   NA
[2,] 49.63752 50.75753 51.55209 52.80365 54.20875 53.19164   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(48.74, 48.82, 49.3, 49.56, 49.75, 49.7, 50.14,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6hgu81416595874.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,] 1.630419 4.490 1.90250
[2,] 1.671532 4.565 1.95125
[3,] 1.708878 4.615 2.03625
[4,] 1.742624 4.730 2.23125
[5,] 1.763909 4.900 2.36500

$n
[1] 12 12 12

$conf
         [,1]     [,2]    [,3]
[1,] 1.676452 4.539742 1.90854
[2,] 1.741303 4.690258 2.16396

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(1.63041916900737, 1.67153228252091, 1.70887757332413,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1qw041416595874.ps tmp/1qw041416595874.png",intern=TRUE))
character(0)
> try(system("convert tmp/2xxdx1416595874.ps tmp/2xxdx1416595874.png",intern=TRUE))
character(0)
> try(system("convert tmp/3hc3a1416595874.ps tmp/3hc3a1416595874.png",intern=TRUE))
character(0)
> try(system("convert tmp/47hk61416595874.ps tmp/47hk61416595874.png",intern=TRUE))
character(0)
> try(system("convert tmp/5aitv1416595874.ps tmp/5aitv1416595874.png",intern=TRUE))
character(0)
> try(system("convert tmp/6hgu81416595874.ps tmp/6hgu81416595874.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.132   0.322   2.489