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(15.13,15.25,15.33,15.36,15.40,15.40,15.41,15.47,15.54,15.55,15.59,15.65,15.75,15.86,15.89,15.94,15.93,15.95,15.99,15.99,16.06,16.08,16.07,16.11,16.15,16.18,16.30,16.42,16.49,16.50,16.58,16.64,16.66,16.81,16.91,16.92,16.95,17.11,17.16,17.16,17.27,17.34,17.39,17.43,17.45,17.50,17.56,17.65,17.62,17.70,17.72,17.71,17.74,17.75,17.78,17.80,17.86,17.88,17.89,17.94,17.98,18.10,18.14,18.19,18.23,18.24,18.27,18.30,18.34,18.36,18.36,18.40,18.43,18.47,18.56,18.58,18.61,18.61,18.69,18.74,18.75,18.81,18.85,18.88)
> 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,] 15.13 15.75 16.15 16.95 17.62 17.98 18.43   NA
 [2,] 15.25 15.86 16.18 17.11 17.70 18.10 18.47   NA
 [3,] 15.33 15.89 16.30 17.16 17.72 18.14 18.56   NA
 [4,] 15.36 15.94 16.42 17.16 17.71 18.19 18.58   NA
 [5,] 15.40 15.93 16.49 17.27 17.74 18.23 18.61   NA
 [6,] 15.40 15.95 16.50 17.34 17.75 18.24 18.61   NA
 [7,] 15.41 15.99 16.58 17.39 17.78 18.27 18.69   NA
 [8,] 15.47 15.99 16.64 17.43 17.80 18.30 18.74   NA
 [9,] 15.54 16.06 16.66 17.45 17.86 18.34 18.75   NA
[10,] 15.55 16.08 16.81 17.50 17.88 18.36 18.81   NA
[11,] 15.59 16.07 16.91 17.56 17.89 18.36 18.85   NA
[12,] 15.65 16.11 16.92 17.65 17.94 18.40 18.88   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/1iygb1386535573.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/2l1w71386535573.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/3av5x1386535573.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/44l8h1386535573.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,] 15.13 15.25 15.330 15.36 15.400 15.400 15.410 15.470 15.54 15.550 15.590
[2,] 15.95 16.02 16.095 16.18 16.210 16.225 16.285 16.315 16.36 16.445 16.490
[3,] 16.95 17.11 17.160 17.16 17.270 17.340 17.390 17.430 17.45 17.500 17.560
[4,] 17.80 17.90 17.930 17.95 17.985 17.995 18.025 18.050 18.10 18.120 18.125
[5,] 18.43 18.47 18.560 18.58 18.610 18.610 18.690 18.740 18.75 18.810 18.850
      [,12]
[1,] 15.650
[2,] 16.515
[3,] 17.650
[4,] 18.170
[5,] 18.880

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

$conf
         [,1]     [,2]     [,3]     [,4]  [,5]     [,6]    [,7]     [,8]
[1,] 15.84521 15.98729 16.06417 16.10298 16.21 16.28298 16.3509 16.39389
[2,] 18.05479 18.23271 18.25583 18.21702 18.33 18.39702 18.4291 18.46611
        [,9]    [,10]   [,11]    [,12]
[1,] 16.4109 16.49972 16.5836 16.66166
[2,] 18.4891 18.50028 18.5364 18.63834

$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(15.13, 15.95, 16.95, 17.8, 18.43, 15.25, 16.02,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/53pdy1386535573.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,] 15.130 15.750 16.150 16.950 17.620 17.980 18.43   NA
[2,] 15.345 15.910 16.360 17.160 17.715 18.165 18.57   NA
[3,] 15.405 15.970 16.540 17.365 17.765 18.255 18.65   NA
[4,] 15.545 16.065 16.735 17.475 17.870 18.350 18.78   NA
[5,] 15.650 16.110 16.920 17.650 17.940 18.400 18.88   NA

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

$conf
         [,1]    [,2]     [,3]     [,4]    [,5]     [,6]     [,7] [,8]
[1,] 15.31378 15.8993 16.36896 17.22133 17.6943 18.17062 18.55422   NA
[2,] 15.49622 16.0407 16.71104 17.50867 17.8357 18.33938 18.74578   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(15.13, 15.345, 15.405, 15.545, 15.65, 15.75,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6h5fe1386535573.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,] 1.189718 3.210 1.635
[2,] 1.193967 3.215 1.705
[3,] 1.199219 3.230 1.755
[4,] 1.209850 3.265 1.805
[5,] 1.227062 3.300 1.880

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.191975 3.207195 1.709389
[2,] 1.206463 3.252805 1.800611

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(1.18971785370674, 1.19396745119238, 1.19921898041698,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1iygb1386535573.ps tmp/1iygb1386535573.png",intern=TRUE))
character(0)
> try(system("convert tmp/2l1w71386535573.ps tmp/2l1w71386535573.png",intern=TRUE))
character(0)
> try(system("convert tmp/3av5x1386535573.ps tmp/3av5x1386535573.png",intern=TRUE))
character(0)
> try(system("convert tmp/44l8h1386535573.ps tmp/44l8h1386535573.png",intern=TRUE))
character(0)
> try(system("convert tmp/53pdy1386535573.ps tmp/53pdy1386535573.png",intern=TRUE))
character(0)
> try(system("convert tmp/6h5fe1386535573.ps tmp/6h5fe1386535573.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  5.730   1.173   6.862