R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(16.68,16.68,16.69,16.61,16.58,16.6,16.6,16.62,16.62,16.6,16.63,16.66,16.66,16.65,16.5,16.39,16.34,16.35,16.35,16.38,16.36,16.38,16.39,16.41,16.41,16.41,16.45,16.41,16.44,16.47,16.47,16.49,16.54,16.62,16.69,16.72,16.72,16.71,16.89,16.93,16.91,16.93,16.93,16.93,16.95,16.93,16.95,16.95,16.95,16.95,16.92,16.91,16.9,16.96,16.96,16.95,16.92,16.87,16.87,16.88,16.88,16.86,16.88,16.88,16.88,16.88,16.88,16.87,16.92,16.94,17.03,17.02,17.02,17.02,16.99,17.03,16.98,16.89,16.89,16.9,16.89,16.96,16.97,16.97)
> 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] 84
> (np <- floor(n / par1))
[1] 7
> 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] 7 7 7 7 7 7 7 7 7 7 7 7
> arr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6]  [,7] [,8]
 [1,] 16.68 16.66 16.41 16.72 16.95 16.88 17.02   NA
 [2,] 16.68 16.65 16.41 16.71 16.95 16.86 17.02   NA
 [3,] 16.69 16.50 16.45 16.89 16.92 16.88 16.99   NA
 [4,] 16.61 16.39 16.41 16.93 16.91 16.88 17.03   NA
 [5,] 16.58 16.34 16.44 16.91 16.90 16.88 16.98   NA
 [6,] 16.60 16.35 16.47 16.93 16.96 16.88 16.89   NA
 [7,] 16.60 16.35 16.47 16.93 16.96 16.88 16.89   NA
 [8,] 16.62 16.38 16.49 16.93 16.95 16.87 16.90   NA
 [9,] 16.62 16.36 16.54 16.95 16.92 16.92 16.89   NA
[10,] 16.60 16.38 16.62 16.93 16.87 16.94 16.96   NA
[11,] 16.63 16.39 16.69 16.95 16.87 17.03 16.97   NA
[12,] 16.66 16.41 16.72 16.95 16.88 17.02 16.97   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/191ux1386254522.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/20yjb1386254522.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/335281386254522.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/44khr1386254522.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,] 16.410 16.410 16.450 16.39 16.340 16.350 16.350 16.380 16.36 16.380 16.39
[2,] 16.670 16.665 16.595 16.51 16.510 16.535 16.535 16.555 16.58 16.610 16.66
[3,] 16.720 16.710 16.880 16.88 16.880 16.880 16.880 16.870 16.89 16.870 16.87
[4,] 16.915 16.905 16.905 16.92 16.905 16.910 16.910 16.915 16.92 16.935 16.96
[5,] 17.020 17.020 16.990 17.03 16.980 16.960 16.960 16.950 16.95 16.960 17.03
     [,12]
[1,] 16.41
[2,] 16.69
[3,] 16.88
[4,] 16.96
[5,] 17.02

$n
 [1] 7 7 7 7 7 7 7 7 7 7 7 7

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 16.57369 16.56668 16.69487 16.63515 16.64411 16.65606 16.65606 16.65501
[2,] 16.86631 16.85332 17.06513 17.12485 17.11589 17.10394 17.10394 17.08499
         [,9]    [,10]    [,11]    [,12]
[1,] 16.68696 16.67592 16.69084 16.71876
[2,] 17.09304 17.06408 17.04916 17.04124

$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(16.41, 16.67, 16.72, 16.915, 17.02, 16.41,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5joeg1386254522.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]
[1,] 16.58 16.340 16.410 16.89 16.87 16.86 16.890   NA
[2,] 16.60 16.355 16.425 16.90 16.89 16.88 16.895   NA
[3,] 16.62 16.385 16.470 16.93 16.92 16.88 16.970   NA
[4,] 16.67 16.455 16.580 16.94 16.95 16.93 17.005   NA
[5,] 16.69 16.500 16.720 16.95 16.96 16.94 17.030   NA

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

$conf
         [,1]     [,2]    [,3]     [,4]     [,5]     [,6]     [,7] [,8]
[1,] 16.58807 16.33939 16.3993 16.91176 16.89263 16.85719 16.91983   NA
[2,] 16.65193 16.43061 16.5407 16.94824 16.94737 16.90281 17.02017   NA

$out
[1] 16.66 16.65 16.72 16.71 17.03 17.02

$group
[1] 2 2 4 4 6 6

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

Warning message:
In bxp(list(stats = c(16.58, 16.6, 16.62, 16.67, 16.69, 16.34, 16.355,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6h9i71386254522.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,] 0.2069506 0.540 0.2400
[2,] 0.2165391 0.585 0.2850
[3,] 0.2321137 0.610 0.3325
[4,] 0.2482510 0.625 0.3750
[5,] 0.2636105 0.640 0.4100

$n
[1] 12 12 12

$conf
          [,1]      [,2]      [,3]
[1,] 0.2176497 0.5917557 0.2914504
[2,] 0.2465777 0.6282443 0.3735496

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.206950649741844, 0.216539127077351, 0.232113734082812,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/191ux1386254522.ps tmp/191ux1386254522.png",intern=TRUE))
character(0)
> try(system("convert tmp/20yjb1386254522.ps tmp/20yjb1386254522.png",intern=TRUE))
character(0)
> try(system("convert tmp/335281386254522.ps tmp/335281386254522.png",intern=TRUE))
character(0)
> try(system("convert tmp/44khr1386254522.ps tmp/44khr1386254522.png",intern=TRUE))
character(0)
> try(system("convert tmp/5joeg1386254522.ps tmp/5joeg1386254522.png",intern=TRUE))
character(0)
> try(system("convert tmp/6h9i71386254522.ps tmp/6h9i71386254522.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  4.699   1.009   5.709