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(679,687,638,628,604,713,712,693,697,555,486,470,465,426,384,379,381,380,351,346,339,336,333,324,324,321,304,343,407,389,361,353,361,387,692,704,742,721,843,847,945,946,946,945,1082,1075,820,832,851,1090,1203,1239,1535,1527,1480,1452,1383,1381,1429,1376,1602,1597,2003,1958,1997,1986,2129,2115,2297,2250,2309,2648,2627,2711,2732,2825,2932,2910,2969,2999,2965,2846,2847,2751)
> par1 = '4'
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 84
> (np <- floor(n / par1))
[1] 21
> 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] 21 21 21 21
> arr
     [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [,14]
[1,]  679  604  697  465  381  339  324  407  361   742   945  1082   851  1535
[2,]  687  713  555  426  380  336  321  389  387   721   946  1075  1090  1527
[3,]  638  712  486  384  351  333  304  361  692   843   946   820  1203  1480
[4,]  628  693  470  379  346  324  343  353  704   847   945   832  1239  1452
     [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22]
[1,]  1383  1602  1997  2297  2627  2932  2965    NA
[2,]  1381  1597  1986  2250  2711  2910  2846    NA
[3,]  1429  2003  2129  2309  2732  2969  2847    NA
[4,]  1376  1958  2115  2648  2825  2999  2751    NA
> darr
     [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [,14]
[1,]    8  109 -142  -39   -1   -3   -3  -18   26   -21     1    -7   239    -8
[2,]  -49   -1  -69  -42  -29   -3  -17  -28  305   122     0  -255   113   -47
[3,]  -10  -19  -16   -5   -5   -9   39   -8   12     4    -1    12    36   -28
[4,]  -24    4   -5    2   -7    0   64    8   38    98   137    19   296   -69
     [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22]
[1,]    -2    -5   -11   -47    84   -22  -119    NA
[2,]    48   406   143    59    21    59     1    NA
[3,]   -53   -45   -14   339    93    30   -96    NA
[4,]   226    39   182   -21   107   -34    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/1vpit1382176827.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/2ee801382176827.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/3m0z01382176827.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/45ggh1382176827.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]
[1,]  324  321  304  324
[2,]  465  426  486  470
[3,]  851  946  843  847
[4,] 1602 1597 2003 1958
[5,] 2965 2910 2969 2999

$n
[1] 21 21 21 21

$conf
          [,1]      [,2]      [,3]     [,4]
[1,]  458.9803  542.2576  319.9623  333.961
[2,] 1243.0197 1349.7424 1366.0377 1360.039

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(324, 465, 851, 1602, 2965, 321, 426, 946,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/57cw01382176827.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]
[1,]  -47  -69  -53 -69.0
[2,]  -21  -29  -16  -6.0
[3,]   -5    0   -5  13.5
[4,]    1   59   12 102.5
[5,]   26  143   39 226.0

$n
[1] 21 21 21 20

$conf
           [,1]      [,2]       [,3]      [,4]
[1,] -12.585254 -30.34102 -14.653959 -24.83291
[2,]   2.585254  30.34102   4.653959  51.83291

$out
 [1]  109 -142  239   84 -119  305 -255  406  339   93  -96  296

$group
 [1] 1 1 1 1 1 2 2 2 3 3 3 4

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

Warning message:
In bxp(list(stats = c(-47, -21, -5, 1, 26, -69, -29, 0, 59, 143,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6k5gx1382176827.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] [,10] [,11]  [,12]
[1,] 628.0 604.0 470.0 379.0 346.0 324.0 304.0  353 361.0 721.0 945.0  820.0
[2,] 633.0 648.5 478.0 381.5 348.5 328.5 312.5  357 374.0 731.5 945.0  826.0
[3,] 658.5 702.5 520.5 405.0 365.5 334.5 322.5  375 539.5 792.5 945.5  953.5
[4,] 683.0 712.5 626.0 445.5 380.5 337.5 333.5  398 698.0 845.0 946.0 1078.5
[5,] 687.0 713.0 697.0 465.0 381.0 339.0 343.0  407 704.0 847.0 946.0 1082.0
      [,13]  [,14]  [,15]  [,16]  [,17]  [,18]  [,19]  [,20]  [,21] [,22]
[1,]  851.0 1452.0 1376.0 1597.0 1986.0 2250.0 2627.0 2910.0 2751.0    NA
[2,]  970.5 1466.0 1378.5 1599.5 1991.5 2273.5 2669.0 2921.0 2798.5    NA
[3,] 1146.5 1503.5 1382.0 1780.0 2056.0 2303.0 2721.5 2950.5 2846.5    NA
[4,] 1221.0 1531.0 1406.0 1980.5 2122.0 2478.5 2778.5 2984.0 2906.0    NA
[5,] 1239.0 1535.0 1429.0 2003.0 2129.0 2648.0 2825.0 2999.0 2965.0    NA

$n
 [1] 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 0

$conf
     [,1]   [,2]   [,3]   [,4]   [,5]   [,6]   [,7]   [,8]   [,9]   [,10]
[1,]  619 651.94 403.58 354.44 340.22 327.39 305.91 342.61 283.54 702.835
[2,]  698 753.06 637.42 455.56 390.78 341.61 339.09 407.39 795.46 882.165
      [,11]    [,12]    [,13]   [,14]    [,15]   [,16]    [,17]   [,18]
[1,] 944.71  754.025  948.605 1452.15 1360.275 1479.01 1952.905 2141.05
[2,] 946.29 1152.975 1344.395 1554.85 1403.725 2080.99 2159.095 2464.95
        [,19]   [,20]    [,21] [,22]
[1,] 2634.995 2900.73 2761.575    NA
[2,] 2808.005 3000.27 2931.425    NA

$out
numeric(0)

$group
numeric(0)

$names
 [1] "1"  "2"  "3"  "4"  "5"  "6"  "7"  "8"  "9"  "10" "11" "12" "13" "14" "15"
[16] "16" "17" "18" "19" "20" "21" NA  

Warning message:
In bxp(list(stats = c(628, 633, 658.5, 683, 687, 604, 648.5, 702.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7pmed1382176827.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,] 1200.714 843.0 1011.50
[2,] 1201.167 845.0 1022.50
[3,] 1219.167 849.0 1123.75
[4,] 1242.810 898.5 1229.25
[5,] 1248.905 946.0 1244.50

$n
[1] 4 4 4

$conf
         [,1]    [,2]      [,3]
[1,] 1186.269 806.735  960.4175
[2,] 1252.065 891.265 1287.0825

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(1200.71428571429, 1201.16666666667, 1219.16666666667,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1vpit1382176827.ps tmp/1vpit1382176827.png",intern=TRUE))
character(0)
> try(system("convert tmp/2ee801382176827.ps tmp/2ee801382176827.png",intern=TRUE))
character(0)
> try(system("convert tmp/3m0z01382176827.ps tmp/3m0z01382176827.png",intern=TRUE))
character(0)
> try(system("convert tmp/45ggh1382176827.ps tmp/45ggh1382176827.png",intern=TRUE))
character(0)
> try(system("convert tmp/57cw01382176827.ps tmp/57cw01382176827.png",intern=TRUE))
character(0)
> try(system("convert tmp/6k5gx1382176827.ps tmp/6k5gx1382176827.png",intern=TRUE))
character(0)
> try(system("convert tmp/7pmed1382176827.ps tmp/7pmed1382176827.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  5.667   1.323   7.011