R version 2.15.2 (2012-10-26) -- "Trick or Treat"
Copyright (C) 2012 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(49.98,50.12,50.37,50.39,50.34,50.32,50.32,50.32,50.67,50.86,50.95,51.02,51.02,51.06,50.9,51.23,51.29,51.3,51.3,51.3,51.46,51.47,51.77,51.82,51.82,51.84,51.9,51.94,52.22,52.27,52.27,52.28,52.53,52.73,52.72,52.67,52.67,52.65,52.69,52.73,52.84,52.83,52.83,52.84,52.82,53.09,53.4,53.43,53.43,53.42,53.6,53.69,54.05,54.04,54.04,54.08,54.05,54.39,54.38,54.46,54.46,54.69,54.91,55.52,56.01,56.07,56.07,56.09,56.29,56.45,56.87,56.87)
> 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,] 49.98 51.02 51.82 52.67 53.43 54.46   NA
 [2,] 50.12 51.06 51.84 52.65 53.42 54.69   NA
 [3,] 50.37 50.90 51.90 52.69 53.60 54.91   NA
 [4,] 50.39 51.23 51.94 52.73 53.69 55.52   NA
 [5,] 50.34 51.29 52.22 52.84 54.05 56.01   NA
 [6,] 50.32 51.30 52.27 52.83 54.04 56.07   NA
 [7,] 50.32 51.30 52.27 52.83 54.04 56.07   NA
 [8,] 50.32 51.30 52.28 52.84 54.08 56.09   NA
 [9,] 50.67 51.46 52.53 52.82 54.05 56.29   NA
[10,] 50.86 51.47 52.73 53.09 54.39 56.45   NA
[11,] 50.95 51.77 52.72 53.40 54.38 56.87   NA
[12,] 51.02 51.82 52.67 53.43 54.46 56.87   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/fisher/rcomp/tmp/1qcas1354204134.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/fisher/rcomp/tmp/2evep1354204134.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/fisher/rcomp/tmp/352sl1354204134.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/fisher/rcomp/tmp/49yym1354204134.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,] 49.980 50.120 50.370 50.390 50.34 50.32 50.32 50.32 50.670 50.86 50.95
[2,] 51.020 51.060 50.900 51.230 51.29 51.30 51.30 51.30 51.460 51.47 51.77
[3,] 52.245 52.245 52.295 52.335 52.53 52.55 52.55 52.56 52.675 52.91 53.06
[4,] 53.430 53.420 53.600 53.690 54.05 54.04 54.04 54.08 54.050 54.39 54.38
[5,] 54.460 54.690 54.910 55.520 56.01 56.07 56.07 56.09 56.290 56.45 56.87
     [,12]
[1,] 51.02
[2,] 51.82
[3,] 53.05
[4,] 54.46
[5,] 56.87

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 50.69047 50.72272 50.55341 50.74822 50.74971 50.78261 50.78261 50.76681
[2,] 53.79953 53.76728 54.03659 53.92178 54.31029 54.31739 54.31739 54.35319
         [,9]    [,10]    [,11]    [,12]
[1,] 51.00437 51.02651 51.37647 51.34711
[2,] 54.34563 54.79349 54.74353 54.75289

$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(49.98, 51.02, 52.245, 53.43, 54.46, 50.12,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/5pcc11354204134.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,] 49.980 50.900 51.82 52.650 53.420 54.460   NA
[2,] 50.320 51.145 51.92 52.710 53.645 55.215   NA
[3,] 50.355 51.300 52.27 52.830 54.045 56.070   NA
[4,] 50.765 51.465 52.60 52.965 54.230 56.370   NA
[5,] 51.020 51.820 52.73 53.090 54.460 56.870   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]    [,6] [,7]
[1,] 50.15203 51.15405 51.95985 52.71369 53.77818 55.5432   NA
[2,] 50.55797 51.44595 52.58015 52.94631 54.31182 56.5968   NA

$out
[1] 53.40 53.43

$group
[1] 4 4

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

Warning message:
In bxp(list(stats = c(49.98, 50.32, 50.355, 50.765, 51.02, 50.9,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/6y1xu1354204134.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,] 1.631024 4.480 1.97250
[2,] 1.769806 4.850 2.03125
[3,] 2.029988 5.645 2.18250
[4,] 2.050491 5.760 2.22375
[5,] 2.102716 5.920 2.28000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.901966 5.229943 2.094699
[2,] 2.158011 6.060057 2.270301

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(1.6310242180912, 1.76980616663902, 2.02998816964153,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1qcas1354204134.ps tmp/1qcas1354204134.png",intern=TRUE))
character(0)
> try(system("convert tmp/2evep1354204134.ps tmp/2evep1354204134.png",intern=TRUE))
character(0)
> try(system("convert tmp/352sl1354204134.ps tmp/352sl1354204134.png",intern=TRUE))
character(0)
> try(system("convert tmp/49yym1354204134.ps tmp/49yym1354204134.png",intern=TRUE))
character(0)
> try(system("convert tmp/5pcc11354204134.ps tmp/5pcc11354204134.png",intern=TRUE))
character(0)
> try(system("convert tmp/6y1xu1354204134.ps tmp/6y1xu1354204134.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.101   0.781   3.871