R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

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Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> x <- c(23100
+ ,22650
+ ,22440
+ ,22910
+ ,22980
+ ,22535
+ ,22300
+ ,22780
+ ,22780
+ ,23300
+ ,23800
+ ,24510
+ ,24660
+ ,24730
+ ,25070
+ ,24690
+ ,24880
+ ,23920
+ ,23880
+ ,23990
+ ,24590
+ ,23610
+ ,23580
+ ,23360
+ ,23910
+ ,23940
+ ,23060
+ ,22800
+ ,23020
+ ,22890
+ ,22780
+ ,22530
+ ,22290
+ ,22820
+ ,22480
+ ,22110
+ ,22000
+ ,22230
+ ,22260
+ ,22590
+ ,22820
+ ,22420
+ ,22230
+ ,21600
+ ,21000
+ ,21360
+ ,21640
+ ,21450
+ ,21710
+ ,21620
+ ,21800
+ ,21490
+ ,21670
+ ,22130
+ ,22050
+ ,22050
+ ,22140
+ ,22390
+ ,22220
+ ,21790
+ ,21510
+ ,21670
+ ,21745
+ ,21850
+ ,22105
+ ,22050
+ ,21670
+ ,21680
+ ,21800
+ ,21920
+ ,21980
+ ,22270
+ ,21740
+ ,21950
+ ,22010
+ ,21890
+ ,21920
+ ,22110
+ ,22340
+ ,22210
+ ,22240
+ ,21960
+ ,22220
+ ,22060
+ ,22090
+ ,21960
+ ,21940
+ ,21790
+ ,21710
+ ,21690
+ ,21710
+ ,21670
+ ,21640
+ ,21500
+ ,21290
+ ,21250
+ ,21580
+ ,21670
+ ,21620
+ ,21510
+ ,21360
+ ,21420
+ ,21470
+ ,21370
+ ,21370
+ ,21340
+ ,21130
+ ,21130
+ ,20990
+ ,21240
+ ,21320
+ ,21430
+ ,21390
+ ,21530
+ ,21510
+ ,21630
+ ,21560
+ ,21610
+ ,21560
+ ,21310
+ ,21340
+ ,21410
+ ,21550
+ ,21380
+ ,21600
+ ,21530
+ ,21560
+ ,21670
+ ,21540
+ ,21540
+ ,21550
+ ,21590
+ ,21420
+ ,21420
+ ,21370
+ ,21380
+ ,21210
+ ,21505
+ ,21365
+ ,21385
+ ,21350
+ ,21360
+ ,21530
+ ,21380
+ ,21630
+ ,22145
+ ,22315
+ ,22340
+ ,22440
+ ,22135
+ ,21955
+ ,22060
+ ,22050
+ ,22035
+ ,22280
+ ,22315
+ ,22205
+ ,21970
+ ,22075
+ ,22115
+ ,22105
+ ,21885
+ ,21805
+ ,21910
+ ,21995
+ ,22245
+ ,22100
+ ,22130
+ ,22300
+ ,22915
+ ,23040
+ ,22880
+ ,23000
+ ,23160
+ ,23020
+ ,22770
+ ,22660
+ ,22740
+ ,22905
+ ,22720
+ ,22705
+ ,22735
+ ,22600
+ ,22510
+ ,22560
+ ,22575
+ ,22685
+ ,22980
+ ,23275
+ ,23845
+ ,23640
+ ,23640
+ ,23835
+ ,23625
+ ,24055
+ ,24005
+ ,24325
+ ,24445
+ ,24670
+ ,24615
+ ,24700
+ ,25065
+ ,25185
+ ,25220
+ ,25235
+ ,24975
+ ,25055
+ ,25520
+ ,25880
+ ,25960
+ ,25740
+ ,24965
+ ,25235
+ ,24895
+ ,24635
+ ,24835
+ ,24635
+ ,24695
+ ,25090
+ ,25220
+ ,24740
+ ,25005
+ ,24650
+ ,24460
+ ,24680
+ ,24840
+ ,24630
+ ,24490
+ ,24695)
> par2 = '12'
> par1 = '50'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> par1 <- as.numeric(par1)
> par2 <- as.numeric(par2)
> if (par1 < 10) par1 = 10
> if (par1 > 5000) par1 = 5000
> if (par2 < 3) par2 = 3
> if (par2 > length(x)) par2 = length(x)
> library(lattice)
> library(boot)

Attaching package: 'boot'


	The following object(s) are masked from package:lattice :

	 melanoma 

> boot.stat <- function(s)
+ {
+ s.mean <- mean(s)
+ s.median <- median(s)
+ s.midrange <- (max(s) + min(s)) / 2
+ c(s.mean, s.median, s.midrange)
+ }
> (r <- tsboot(x, boot.stat, R=par1, l=12, sim='fixed'))

BLOCK BOOTSTRAP FOR TIME SERIES

Fixed Block Length of 12 

Call:
tsboot(tseries = x, statistic = boot.stat, R = par1, l = 12, 
    sim = "fixed")


Bootstrap Statistics :
    original    bias    std. error
t1* 22633.47  39.31659    284.8733
t2* 22210.00  57.00000    288.3238
t3* 23475.00 -70.75000    181.0776
> postscript(file="/var/www/html/rcomp/tmp/1fhe11273753520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,1],type='p',ylab='simulated values',main='Simulation of Mean')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/2fhe11273753520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,2],type='p',ylab='simulated values',main='Simulation of Median')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/3fhe11273753520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,3],type='p',ylab='simulated values',main='Simulation of Midrange')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/48qv41273753520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$t[,1],col='black',main='Density Plot',xlab='mean')
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/58qv41273753520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$t[,2],col='black',main='Density Plot',xlab='median')
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/68qv41273753520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$t[,3],col='black',main='Density Plot',xlab='midrange')
> dev.off()
null device 
          1 
> z <- data.frame(cbind(r$t[,1],r$t[,2],r$t[,3]))
Warning message:
In data.row.names(row.names, rowsi, i) :
  some row.names duplicated: 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50 --> row.names NOT used
> colnames(z) <- list('mean','median','midrange')
> postscript(file="/var/www/html/rcomp/tmp/78qv41273753520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> boxplot(z,notch=TRUE,ylab='simulated values',main='Bootstrap Simulation - Central Tendency')
Warning message:
In bxp(list(stats = c(22157.2052401747, 22408.2532751092, 22680.3820960699,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> grid()
> dev.off()
null device 
          1 
> 
> #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Estimation Results of Blocked Bootstrap',6,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'statistic',header=TRUE)
> a<-table.element(a,'Q1',header=TRUE)
> a<-table.element(a,'Estimate',header=TRUE)
> a<-table.element(a,'Q3',header=TRUE)
> a<-table.element(a,'S.D.',header=TRUE)
> a<-table.element(a,'IQR',header=TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'mean',header=TRUE)
> q1 <- quantile(r$t[,1],0.25)[[1]]
> q3 <- quantile(r$t[,1],0.75)[[1]]
> a<-table.element(a,q1)
> a<-table.element(a,r$t0[1])
> a<-table.element(a,q3)
> a<-table.element(a,sqrt(var(r$t[,1])))
> a<-table.element(a,q3-q1)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'median',header=TRUE)
> q1 <- quantile(r$t[,2],0.25)[[1]]
> q3 <- quantile(r$t[,2],0.75)[[1]]
> a<-table.element(a,q1)
> a<-table.element(a,r$t0[2])
> a<-table.element(a,q3)
> a<-table.element(a,sqrt(var(r$t[,2])))
> a<-table.element(a,q3-q1)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'midrange',header=TRUE)
> q1 <- quantile(r$t[,3],0.25)[[1]]
> q3 <- quantile(r$t[,3],0.75)[[1]]
> a<-table.element(a,q1)
> a<-table.element(a,r$t0[3])
> a<-table.element(a,q3)
> a<-table.element(a,sqrt(var(r$t[,3])))
> a<-table.element(a,q3-q1)
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/www/html/rcomp/tmp/8f9sg1273753520.tab") 
> 
> try(system("convert tmp/1fhe11273753520.ps tmp/1fhe11273753520.png",intern=TRUE))
character(0)
> try(system("convert tmp/2fhe11273753520.ps tmp/2fhe11273753520.png",intern=TRUE))
character(0)
> try(system("convert tmp/3fhe11273753520.ps tmp/3fhe11273753520.png",intern=TRUE))
character(0)
> try(system("convert tmp/48qv41273753520.ps tmp/48qv41273753520.png",intern=TRUE))
character(0)
> try(system("convert tmp/58qv41273753520.ps tmp/58qv41273753520.png",intern=TRUE))
character(0)
> try(system("convert tmp/68qv41273753520.ps tmp/68qv41273753520.png",intern=TRUE))
character(0)
> try(system("convert tmp/78qv41273753520.ps tmp/78qv41273753520.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.627   0.989   2.336