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(3.875,3.863,3.876,3.878,3.881,3.883,3.884,3.885,3.895,3.903,3.911,3.929,3.946,3.965,3.992,4.010,4.015,4.020,4.037,4.059,4.083,4.102,4.126,4.145,4.162,4.169,4.178,4.174,4.168,4.170,4.159,4.159,4.143,4.159,4.167,4.176,4.185,4.195,4.210,4.226,4.250,4.259,4.270,4.277,4.286,4.303,4.320,4.336,4.352,4.371,4.392,4.415,4.442,4.457,4.472,4.474,4.461,4.453,4.446,4.450,4.459,4.474,4.492,4.509,4.526,4.541,4.550,4.562,4.555,4.554,4.551,4.553)
> 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,] 3.875 3.946 4.162 4.185 4.352 4.459   NA
 [2,] 3.863 3.965 4.169 4.195 4.371 4.474   NA
 [3,] 3.876 3.992 4.178 4.210 4.392 4.492   NA
 [4,] 3.878 4.010 4.174 4.226 4.415 4.509   NA
 [5,] 3.881 4.015 4.168 4.250 4.442 4.526   NA
 [6,] 3.883 4.020 4.170 4.259 4.457 4.541   NA
 [7,] 3.884 4.037 4.159 4.270 4.472 4.550   NA
 [8,] 3.885 4.059 4.159 4.277 4.474 4.562   NA
 [9,] 3.895 4.083 4.143 4.286 4.461 4.555   NA
[10,] 3.903 4.102 4.159 4.303 4.453 4.554   NA
[11,] 3.911 4.126 4.167 4.320 4.446 4.551   NA
[12,] 3.929 4.145 4.176 4.336 4.450 4.553   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/1lgv11385643056.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/2qk2z1385643056.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/359pz1385643056.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/4x0zx1385643056.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,] 3.8750 3.863 3.876 3.878 3.881 3.8830 3.8840 3.885 3.8950 3.903 3.9110
[2,] 3.9460 3.965 3.992 4.010 4.015 4.0200 4.0370 4.059 4.0830 4.102 4.1260
[3,] 4.1735 4.182 4.194 4.200 4.209 4.2145 4.2145 4.218 4.2145 4.231 4.2435
[4,] 4.3520 4.371 4.392 4.415 4.442 4.4570 4.4720 4.474 4.4610 4.453 4.4460
[5,] 4.4590 4.474 4.492 4.509 4.526 4.5410 4.5500 4.562 4.5550 4.554 4.5510
     [,12]
[1,] 3.929
[2,] 4.145
[3,] 4.256
[4,] 4.450
[5,] 4.553

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 3.911617 3.920117 3.935987 3.938762 3.933571 3.932621 3.933911 3.950312
[2,] 4.435383 4.443883 4.452013 4.461238 4.484429 4.496379 4.495089 4.485688
         [,9]    [,10]   [,11]    [,12]
[1,] 3.970678 4.004594 4.03709 4.059265
[2,] 4.458322 4.457406 4.44991 4.452735

$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(3.875, 3.946, 4.1735, 4.352, 4.459, 3.863,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/59htk1385643056.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,] 3.8630 3.9460 4.1430 4.1850 4.3520 4.4590   NA
[2,] 3.8770 4.0010 4.1590 4.2180 4.4035 4.5005   NA
[3,] 3.8835 4.0285 4.1675 4.2645 4.4480 4.5455   NA
[4,] 3.8990 4.0925 4.1720 4.2945 4.4590 4.5535   NA
[5,] 3.9290 4.1450 4.1780 4.3360 4.4740 4.5620   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 3.873466 3.986766 4.161571 4.229608 4.422686 4.521326   NA
[2,] 3.893534 4.070234 4.173429 4.299392 4.473314 4.569674   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(3.863, 3.877, 3.8835, 3.899, 3.929, 3.946,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6u54l1385643056.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,] 0.2253241 0.5840 0.268750
[2,] 0.2323834 0.6200 0.303625
[3,] 0.2386893 0.6425 0.313875
[4,] 0.2489857 0.6590 0.340750
[5,] 0.2549745 0.6770 0.354000

$n
[1] 12 12 12

$conf
          [,1]      [,2]     [,3]
[1,] 0.2311169 0.6247118 0.296942
[2,] 0.2462617 0.6602882 0.330808

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.225324136893202, 0.232383436860083, 0.23868933084078,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1lgv11385643056.ps tmp/1lgv11385643056.png",intern=TRUE))
character(0)
> try(system("convert tmp/2qk2z1385643056.ps tmp/2qk2z1385643056.png",intern=TRUE))
character(0)
> try(system("convert tmp/359pz1385643056.ps tmp/359pz1385643056.png",intern=TRUE))
character(0)
> try(system("convert tmp/4x0zx1385643056.ps tmp/4x0zx1385643056.png",intern=TRUE))
character(0)
> try(system("convert tmp/59htk1385643056.ps tmp/59htk1385643056.png",intern=TRUE))
character(0)
> try(system("convert tmp/6u54l1385643056.ps tmp/6u54l1385643056.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.080   0.676   3.746