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(304040,307100,304330,294710,286890,279050,271860,266710,259590,253830,250640,249140,250840,247590,237830,226380,217230,211420,207620,204310,197490,193580,192330,191970,196070,191940,185620,179410,173920,169190,166840,165170,161450,160830,163670,170830,182690,190940,197770,205090,210720,220210,229730,237070,241620,250370,258570,269860,283220,289610,281770,274700,267650,261380,260500,260730,254200,250450,253380,263740,276240,273820,265890,258400,253520,250710,252850,255260,251170,252500,257780,269900,291590,298870,295570,292100,290870,290580,297970,304010,304340,309850,322320,340170,369280,376690,379700,379520,377770,381560,394580,399320,400370,408200,419070,437730)
> par1 = '12'
> par1 <- '12'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Wessa P., (2012), Mean Plot (v1.0.4) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_meanplot.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 96
> (np <- floor(n / par1))
[1] 8
> arr <- array(NA,dim=c(par1,np+1))
> darr <- array(NA,dim=c(par1,np+1))
> ari <- array(0,dim=par1)
> dx <- diff(x)
> j <- 0
> for (i in 1:n)
+ {
+ j = j + 1
+ ari[j] = ari[j] + 1
+ arr[j,ari[j]] <- x[i]
+ darr[j,ari[j]] <- dx[i]
+ if (j == par1) j = 0
+ }
> ari
 [1] 8 8 8 8 8 8 8 8 8 8 8 8
> arr
        [,1]   [,2]   [,3]   [,4]   [,5]   [,6]   [,7]   [,8] [,9]
 [1,] 304040 250840 196070 182690 283220 276240 291590 369280   NA
 [2,] 307100 247590 191940 190940 289610 273820 298870 376690   NA
 [3,] 304330 237830 185620 197770 281770 265890 295570 379700   NA
 [4,] 294710 226380 179410 205090 274700 258400 292100 379520   NA
 [5,] 286890 217230 173920 210720 267650 253520 290870 377770   NA
 [6,] 279050 211420 169190 220210 261380 250710 290580 381560   NA
 [7,] 271860 207620 166840 229730 260500 252850 297970 394580   NA
 [8,] 266710 204310 165170 237070 260730 255260 304010 399320   NA
 [9,] 259590 197490 161450 241620 254200 251170 304340 400370   NA
[10,] 253830 193580 160830 250370 250450 252500 309850 408200   NA
[11,] 250640 192330 163670 258570 253380 257780 322320 419070   NA
[12,] 249140 191970 170830 269860 263740 269900 340170 437730   NA
> darr
       [,1]   [,2]  [,3]  [,4]  [,5]  [,6]  [,7]  [,8] [,9]
 [1,]  3060  -3250 -4130  8250  6390 -2420  7280  7410   NA
 [2,] -2770  -9760 -6320  6830 -7840 -7930 -3300  3010   NA
 [3,] -9620 -11450 -6210  7320 -7070 -7490 -3470  -180   NA
 [4,] -7820  -9150 -5490  5630 -7050 -4880 -1230 -1750   NA
 [5,] -7840  -5810 -4730  9490 -6270 -2810  -290  3790   NA
 [6,] -7190  -3800 -2350  9520  -880  2140  7390 13020   NA
 [7,] -5150  -3310 -1670  7340   230  2410  6040  4740   NA
 [8,] -7120  -6820 -3720  4550 -6530 -4090   330  1050   NA
 [9,] -5760  -3910  -620  8750 -3750  1330  5510  7830   NA
[10,] -3190  -1250  2840  8200  2930  5280 12470 10870   NA
[11,] -1500   -360  7160 11290 10360 12120 17850 18660   NA
[12,]  1700   4100 11860 13360 12500 21690 29110    NA   NA
> arr.mean <- array(NA,dim=par1)
> arr.median <- array(NA,dim=par1)
> arr.midrange <- array(NA,dim=par1)
> for (j in 1:par1)
+ {
+ arr.mean[j] <- mean(arr[j,],na.rm=TRUE)
+ arr.median[j] <- median(arr[j,],na.rm=TRUE)
+ arr.midrange[j] <- (quantile(arr[j,],0.75,na.rm=TRUE) + quantile(arr[j,],0.25,na.rm=TRUE)) / 2
+ }
> overall.mean <- mean(x)
> overall.median <- median(x)
> overall.midrange <- (quantile(x,0.75) + quantile(x,0.25)) / 2
> postscript(file="/var/wessaorg/rcomp/tmp/1vsic1424956627.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.mean,type='b',ylab='mean',main='Mean Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.mean,0)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/2t0q21424956627.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.median,type='b',ylab='median',main='Median Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.median,0)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/3ksx21424956627.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.midrange,type='b',ylab='midrange',main='Midrange Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.midrange,0)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/49wnl1424956627.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]
[1,] 182690 190940 185620 179410 173920 169190 166840 165170 161450 160830
[2,] 223455 219765 217800 215735 213975 215815 218675 220690 219555 221975
[3,] 279730 281715 273830 266550 260585 256045 256675 257995 252685 251475
[4,] 297815 302985 299950 293405 288880 284815 284915 285360 281965 281840
[5,] 369280 376690 379700 379520 377770 381560 297970 304010 304340 309850
      [,11]  [,12]
[1,] 163670 170830
[2,] 221485 220555
[3,] 255580 266800
[4,] 290445 305035
[5,] 322320 340170

$n
 [1] 8 8 8 8 8 8 8 8 8 8 8 8

$conf
         [,1]     [,2]     [,3]     [,4]   [,5]     [,6]     [,7]     [,8]
[1,] 238191.4 235227.1 227939.8 223162.4 218742 217500.6 219672.4 221869.4
[2,] 321268.6 328202.9 319720.2 309937.6 302428 294589.4 293677.6 294120.6
         [,9]    [,10]  [,11]    [,12]
[1,] 217821.9 218033.6 217058 219608.3
[2,] 287548.1 284916.4 294102 313991.7

$out
[1] 394580 399320 400370 408200 419070 437730

$group
[1]  7  8  9 10 11 12

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

Warning message:
In bxp(list(stats = c(182690, 223455, 279730, 297815, 369280, 190940,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/55kt31424956627.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(t(darr))
> names(z) <- c(1:par1)
> (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Differenced Periodic Subseries'))
$stats
      [,1]  [,2]   [,3]  [,4]  [,5]  [,6]  [,7]  [,8]  [,9] [,10] [,11] [,12]
[1,] -4130 -9760 -11450 -9150 -7840 -7190 -5150 -7120 -5760 -3190 -1500  1700
[2,] -2835 -7885  -8555 -7435 -6040 -3075 -2490 -6675 -3830   795  3400  7980
[3,]  4725 -4810  -6640 -5185 -3770   630  1320 -3905   355  4105 10825 12500
[4,]  7345   120  -1825 -1490  1750  8455  5390   690  6670  9535 14985 17525
[5,]  8250  6830   7320  5630  9490 13020  7340  4550  8750 12470 18660 29110

$n
 [1] 8 8 8 8 8 8 8 8 8 8 8 7

$conf
           [,1]       [,2]       [,3]      [,4]       [,5]      [,6]      [,7]
[1,]  -961.6942 -9281.7079 -10399.475 -8505.962 -8121.6058 -5810.824 -3081.881
[2,] 10411.6942  -338.2921  -2880.525 -1864.038   581.6058  7070.824  5721.881
           [,8]      [,9]     [,10]     [,11]    [,12]
[1,] -8019.1947 -5510.451 -777.2895  4353.453  6799.88
[2,]   209.1947  6220.451 8987.2895 17296.547 18200.12

$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(-4130, -2835, 4725, 7345, 8250, -9760, -7885,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/674f81424956627.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] [,9]
[1,] 249140 191970 160830 182690 250450 250710 290580 369280   NA
[2,] 256710 195535 164420 201430 257350 252675 291845 378645   NA
[3,] 275455 209520 170010 224970 262560 256520 298420 388070   NA
[4,] 299375 232105 182515 245995 278235 267895 307095 404285   NA
[5,] 307100 250840 196070 269860 289610 276240 322320 437730   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 255995.2 192840.2 161756.7 204643.6 253034.2 249578.1 291464.4 376375.4
[2,] 294914.8 226199.8 178263.3 245296.4 272085.8 263461.9 305375.6 399764.6
     [,9]
[1,]   NA
[2,]   NA

$out
[1] 340170

$group
[1] 7

$names
[1] "1" "2" "3" "4" "5" "6" "7" "8" NA 

Warning message:
In bxp(list(stats = c(249140, 256710, 275455, 299375, 307100, 191970,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/72jvs1424956627.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(cbind(arr.mean,arr.median,arr.midrange))
> names(z) <- list('mean','median','midrange')
> (boxplot(z,notch=TRUE,col='grey',ylab='Overall Central Tendency',main='Notched Box Plots'))
$stats
         [,1]     [,2]     [,3]
[1,] 258012.5 251475.0 249972.5
[2,] 259886.2 255812.5 251519.4
[3,] 262680.6 259290.0 253871.2
[4,] 268903.1 270315.0 261972.5
[5,] 274167.5 281715.0 267302.5

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 258568.0 252675.3 249103.5
[2,] 266793.3 265904.7 258639.0

$out
numeric(0)

$group
numeric(0)

$names
[1] "mean"     "median"   "midrange"

Warning message:
In bxp(list(stats = c(258012.5, 259886.25, 262680.625, 268903.125,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1vsic1424956627.ps tmp/1vsic1424956627.png",intern=TRUE))
character(0)
> try(system("convert tmp/2t0q21424956627.ps tmp/2t0q21424956627.png",intern=TRUE))
character(0)
> try(system("convert tmp/3ksx21424956627.ps tmp/3ksx21424956627.png",intern=TRUE))
character(0)
> try(system("convert tmp/49wnl1424956627.ps tmp/49wnl1424956627.png",intern=TRUE))
character(0)
> try(system("convert tmp/55kt31424956627.ps tmp/55kt31424956627.png",intern=TRUE))
character(0)
> try(system("convert tmp/674f81424956627.ps tmp/674f81424956627.png",intern=TRUE))
character(0)
> try(system("convert tmp/72jvs1424956627.ps tmp/72jvs1424956627.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.535   0.426   2.995