R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(2.35,2.35,2.35,2.35,2.35,2.35,2.35,2.36,2.36,2.36,2.36,2.36,2.36,2.37,2.37,2.39,2.4,2.41,2.41,2.42,2.44,2.44,2.44,2.44,2.44,2.45,2.45,2.46,2.47,2.48,2.48,2.48,2.49,2.5,2.5,2.5,2.5,2.5,2.5,2.5,2.51,2.52,2.54,2.56,2.57,2.57,2.58,2.59,2.6,2.6,2.62,2.62,2.63,2.63,2.63,2.63,2.63,2.63,2.63,2.64)
> 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] 60
> (np <- floor(n / par1))
[1] 5
> 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] 5 5 5 5 5 5 5 5 5 5 5 5
> arr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,] 2.35 2.36 2.44 2.50 2.60   NA
 [2,] 2.35 2.37 2.45 2.50 2.60   NA
 [3,] 2.35 2.37 2.45 2.50 2.62   NA
 [4,] 2.35 2.39 2.46 2.50 2.62   NA
 [5,] 2.35 2.40 2.47 2.51 2.63   NA
 [6,] 2.35 2.41 2.48 2.52 2.63   NA
 [7,] 2.35 2.41 2.48 2.54 2.63   NA
 [8,] 2.36 2.42 2.48 2.56 2.63   NA
 [9,] 2.36 2.44 2.49 2.57 2.63   NA
[10,] 2.36 2.44 2.50 2.57 2.63   NA
[11,] 2.36 2.44 2.50 2.58 2.63   NA
[12,] 2.36 2.44 2.50 2.59 2.64   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/1q85t1335778054.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/2c42j1335778054.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/3zefb1335778054.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/4gj9f1335778054.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] [,12]
[1,] 2.35 2.35 2.35 2.35 2.35 2.35 2.35 2.36 2.36  2.36  2.36  2.36
[2,] 2.36 2.37 2.37 2.39 2.40 2.41 2.41 2.42 2.44  2.44  2.44  2.44
[3,] 2.44 2.45 2.45 2.46 2.47 2.48 2.48 2.48 2.49  2.50  2.50  2.50
[4,] 2.50 2.50 2.50 2.50 2.51 2.52 2.54 2.56 2.57  2.57  2.58  2.59
[5,] 2.60 2.60 2.62 2.62 2.63 2.63 2.63 2.63 2.63  2.63  2.63  2.64

$n
 [1] 5 5 5 5 5 5 5 5 5 5 5 5

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 2.341076 2.358142 2.358142 2.382274 2.392274 2.402274 2.388142 2.381076
[2,] 2.538924 2.541858 2.541858 2.537726 2.547726 2.557726 2.571858 2.578924
         [,9]    [,10]    [,11]   [,12]
[1,] 2.398142 2.408142 2.401076 2.39401
[2,] 2.581858 2.591858 2.598924 2.60599

$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(2.35, 2.36, 2.44, 2.5, 2.6, 2.35, 2.37, 2.45,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5c1sc1335778054.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]
[1,] 2.35 2.36 2.440 2.50 2.62   NA
[2,] 2.35 2.38 2.455 2.50 2.62   NA
[3,] 2.35 2.41 2.480 2.53 2.63   NA
[4,] 2.36 2.44 2.495 2.57 2.63   NA
[5,] 2.36 2.44 2.500 2.59 2.64   NA

$n
[1] 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5] [,6]
[1,] 2.345439 2.382634 2.461756 2.498073 2.625439   NA
[2,] 2.354561 2.437366 2.498244 2.561927 2.634561   NA

$out
[1] 2.6 2.6

$group
[1] 5 5

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

Warning message:
In bxp(list(stats = c(2.35, 2.35, 2.35, 2.36, 2.36, 2.36, 2.38,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/66d4v1335778054.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,] 0.1016366 0.27 0.11
[2,] 0.1055449 0.27 0.12
[3,] 0.1074007 0.27 0.13
[4,] 0.1083728 0.28 0.14
[5,] 0.1126055 0.28 0.15

$n
[1] 12 12 12

$conf
          [,1]      [,2]      [,3]
[1,] 0.1061109 0.2654389 0.1208779
[2,] 0.1086905 0.2745611 0.1391221

$out
[1] 0.25 0.25

$group
[1] 2 2

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

Warning message:
In bxp(list(stats = c(0.101636607578175, 0.105544912001456, 0.107400691013306,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1q85t1335778054.ps tmp/1q85t1335778054.png",intern=TRUE))
character(0)
> try(system("convert tmp/2c42j1335778054.ps tmp/2c42j1335778054.png",intern=TRUE))
character(0)
> try(system("convert tmp/3zefb1335778054.ps tmp/3zefb1335778054.png",intern=TRUE))
character(0)
> try(system("convert tmp/4gj9f1335778054.ps tmp/4gj9f1335778054.png",intern=TRUE))
character(0)
> try(system("convert tmp/5c1sc1335778054.ps tmp/5c1sc1335778054.png",intern=TRUE))
character(0)
> try(system("convert tmp/66d4v1335778054.ps tmp/66d4v1335778054.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.425   0.497   1.923