R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(31566,30111,30019,31934,25826,26835,20205,17789,20520,22518,15572,11509,25447,24090,27786,26195,20516,22759,19028,16971,20036,22485,18730,14538,27561,25985,34670,32066,27186,29586,21359,21553,19573,24256,22380,16167,27297,28287,33474,28229,28785,25597,18130,20198,22849,23118,21925,20801,18785,20659,29367,23992,20645,22356,17902,15879,16963,21035,17988,10437,24470,22237,27053,26419,22311,20624,17336,15586,17733,19231,16102,11770)
> 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,] 31566 25447 27561 27297 18785 24470   NA
 [2,] 30111 24090 25985 28287 20659 22237   NA
 [3,] 30019 27786 34670 33474 29367 27053   NA
 [4,] 31934 26195 32066 28229 23992 26419   NA
 [5,] 25826 20516 27186 28785 20645 22311   NA
 [6,] 26835 22759 29586 25597 22356 20624   NA
 [7,] 20205 19028 21359 18130 17902 17336   NA
 [8,] 17789 16971 21553 20198 15879 15586   NA
 [9,] 20520 20036 19573 22849 16963 17733   NA
[10,] 22518 22485 24256 23118 21035 19231   NA
[11,] 15572 18730 22380 21925 17988 16102   NA
[12,] 11509 14538 16167 20801 10437 11770   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/1rpk11416772436.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/2h4o41416772436.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/347z21416772436.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/4avay1416772436.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,] 24470 20659.0 27053 23992 20516.0 20624 17336 15586 16963.0 19231.0 15572
[2,] 24470 22237.0 27786 26195 20645.0 22356 17902 15879 17733.0 21035.0 16102
[3,] 26372 25037.5 29693 27324 24068.5 24178 18579 17380 19804.5 22501.5 18359
[4,] 27561 28287.0 33474 31934 27186.0 26835 20205 20198 20520.0 23118.0 21925
[5,] 31566 30111.0 34670 32066 28785.0 29586 21359 21553 22849.0 24256.0 22380
     [,12]
[1,] 10437
[2,] 11509
[3,] 13154
[4,] 16167
[5,] 20801

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]    [,6]     [,7]     [,8]
[1,] 24378.21 21135.05 26024.06 23622.16 19849.34 21288.9 17093.49 14594.11
[2,] 28365.79 28939.95 33361.94 31025.84 28287.66 27067.1 20064.51 20165.89
         [,9]   [,10]    [,11]    [,12]
[1,] 18006.79 21157.9 14602.98 10149.44
[2,] 21602.21 23845.1 22115.02 16158.56

$out
[1] 18785

$group
[1] 1

$names
 [1] "1"  "2"  "3"  "4"  "5"  "6"  "7"  "8"  "9"  "10" "11" "12"

Warning message:
In bxp(list(stats = c(24470, 24470, 26372, 27561, 31566, 20659,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/50ahb1416772436.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,] 11509 14538.0 16167.0 18130.0 15879.0 11770.0   NA
[2,] 18997 18879.0 21456.0 21363.0 17432.5 16719.0   NA
[3,] 24172 21500.5 25120.5 24357.5 19715.0 19927.5   NA
[4,] 30065 24768.5 28573.5 28258.0 21695.5 23390.5   NA
[5,] 31934 27786.0 34670.0 33474.0 23992.0 27053.0   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 19123.81 18814.26 21874.16 21212.64 17770.62 16884.58   NA
[2,] 29220.19 24186.74 28366.84 27502.36 21659.38 22970.42   NA

$out
[1] 29367 10437

$group
[1] 5 5

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

Warning message:
In bxp(list(stats = c(11509, 18997, 24172, 30065, 31934, 14538,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/66qu71416772436.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,] 1532.894  4023.0 1570.500
[2,] 2251.321  5926.5 2493.375
[3,] 3171.440  7845.5 4127.125
[4,] 3567.047  9207.0 4654.750
[5,] 4234.971 12781.0 5784.500

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 2571.328 6349.242 3141.307
[2,] 3771.551 9341.758 5112.943

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(1532.89421248391, 2251.32119394145, 3171.43960549996,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1rpk11416772436.ps tmp/1rpk11416772436.png",intern=TRUE))
character(0)
> try(system("convert tmp/2h4o41416772436.ps tmp/2h4o41416772436.png",intern=TRUE))
character(0)
> try(system("convert tmp/347z21416772436.ps tmp/347z21416772436.png",intern=TRUE))
character(0)
> try(system("convert tmp/4avay1416772436.ps tmp/4avay1416772436.png",intern=TRUE))
character(0)
> try(system("convert tmp/50ahb1416772436.ps tmp/50ahb1416772436.png",intern=TRUE))
character(0)
> try(system("convert tmp/66qu71416772436.ps tmp/66qu71416772436.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.132   0.345   2.501