R version 2.8.0 (2008-10-20)
Copyright (C) 2008 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.

R is a collaborative project with many contributors.
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(428800
+ ,424800
+ ,403400
+ ,398400
+ ,393500
+ ,380500
+ ,398300
+ ,387300
+ ,370400
+ ,372800
+ ,444600
+ ,449900
+ ,458100
+ ,424800
+ ,420600
+ ,400100
+ ,393000
+ ,387100
+ ,377500
+ ,400400
+ ,391400
+ ,363600
+ ,431000
+ ,441700
+ ,448500
+ ,415600
+ ,408000
+ ,416600
+ ,409300
+ ,387600
+ ,394500
+ ,407600
+ ,378500
+ ,359600
+ ,435700
+ ,433800
+ ,427700
+ ,413300
+ ,379500
+ ,379300
+ ,353700
+ ,378200
+ ,380600
+ ,394000
+ ,374000
+ ,375000
+ ,437600
+ ,443900
+ ,488800
+ ,463900
+ ,440000
+ ,453800
+ ,451600
+ ,453400
+ ,461400
+ ,509100
+ ,540600
+ ,555100
+ ,677400
+ ,694600
+ ,750100
+ ,733900
+ ,709300
+ ,720500
+ ,693200
+ ,687200
+ ,686800
+ ,720900
+ ,653100
+ ,624700
+ ,690000
+ ,717800
+ ,736500
+ ,699900
+ ,675600
+ ,635600
+ ,632500
+ ,594900
+ ,604000
+ ,620800
+ ,578400
+ ,571200
+ ,627400
+ ,657700
+ ,674100
+ ,672800
+ ,615300
+ ,609100
+ ,607600
+ ,566900
+ ,572700
+ ,589200
+ ,534800
+ ,543100
+ ,591100
+ ,624800
+ ,665300
+ ,642600
+ ,608700
+ ,594500
+ ,563800
+ ,596100
+ ,597600
+ ,633100
+ ,591000
+ ,584200
+ ,655800
+ ,670700
+ ,699700
+ ,712900
+ ,652000
+ ,635100
+ ,603100
+ ,610100
+ ,602000
+ ,597600
+ ,585400
+ ,567100
+ ,620600
+ ,646200
+ ,644800
+ ,645200
+ ,644800
+ ,593000
+ ,569100
+ ,518800
+ ,538700
+ ,554600
+ ,507900
+ ,488400
+ ,563300
+ ,592400
+ ,598100
+ ,546300
+ ,516100
+ ,518500
+ ,477400
+ ,483400
+ ,469400
+ ,501300
+ ,457400
+ ,446700
+ ,501900
+ ,550400
+ ,593700
+ ,548900
+ ,534200
+ ,550500
+ ,541800
+ ,569300
+ ,587400
+ ,627700
+ ,607000
+ ,629500
+ ,704600
+ ,767700
+ ,812200
+ ,824600
+ ,856300
+ ,812200
+ ,764100
+ ,801700
+ ,806000
+ ,867200
+ ,801600
+ ,817500
+ ,920900
+ ,959700
+ ,997700
+ ,949100
+ ,910900
+ ,920400
+ ,914200
+ ,926300
+ ,906400
+ ,926100
+ ,902500
+ ,895300
+ ,979900
+ ,1009700
+ ,1043800
+ ,979800
+ ,921600
+ ,923500
+ ,914500
+ ,891700
+ ,916000
+ ,931700
+ ,902400
+ ,893700
+ ,941500
+ ,980100
+ ,1006900
+ ,949200
+ ,883200
+ ,849900
+ ,839200
+ ,803900
+ ,797900
+ ,830800
+ ,753300
+ ,764100
+ ,807600
+ ,853700
+ ,886200
+ ,815700
+ ,743000
+ ,753600
+ ,724800
+ ,709600
+ ,721900)
> 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* 625260.7  3094.341    36217.81
t2* 603100.0  3670.000    39143.88
t3* 698750.0 -5209.000    13963.68
> postscript(file="/var/www/html/freestat/rcomp/tmp/1byyi1241966659.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,1],type='p',ylab='simulated values',main='Simulation of Mean')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/2gigj1241966659.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,2],type='p',ylab='simulated values',main='Simulation of Median')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/30ric1241966659.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,3],type='p',ylab='simulated values',main='Simulation of Midrange')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/4vqlj1241966659.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$t[,1],col='black',main='Density Plot',xlab='mean')
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5d6lz1241966659.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$t[,2],col='black',main='Density Plot',xlab='median')
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/6m82l1241966659.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$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$t[,3]))
Warning message:
In data.row.names(row.names, rowsi, i) :
  some row.names duplicated: 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50 --> row.names NOT used
> colnames(z) <- list('mean','median','midrange')
> postscript(file="/var/www/html/freestat/rcomp/tmp/79n2j1241966659.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> boxplot(z,notch=TRUE,ylab='simulated values',main='Bootstrap Simulation - Central Tendency')
Warning message:
In bxp(list(stats = c(543836.018957346, 604491.469194313, 634066.3507109,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> grid()
> dev.off()
null device 
          1 
> 
> #Note: the /var/www/html/freestat/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/freestat/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Estimation Results of Blocked Bootstrap',6,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'statistic',header=TRUE)
> a<-table.element(a,'Q1',header=TRUE)
> a<-table.element(a,'Estimate',header=TRUE)
> a<-table.element(a,'Q3',header=TRUE)
> a<-table.element(a,'S.D.',header=TRUE)
> a<-table.element(a,'IQR',header=TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'mean',header=TRUE)
> q1 <- quantile(r$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/freestat/rcomp/tmp/8nn4m1241966659.tab") 
> 
> system("convert tmp/1byyi1241966659.ps tmp/1byyi1241966659.png")
> system("convert tmp/2gigj1241966659.ps tmp/2gigj1241966659.png")
> system("convert tmp/30ric1241966659.ps tmp/30ric1241966659.png")
> system("convert tmp/4vqlj1241966659.ps tmp/4vqlj1241966659.png")
> system("convert tmp/5d6lz1241966659.ps tmp/5d6lz1241966659.png")
> system("convert tmp/6m82l1241966659.ps tmp/6m82l1241966659.png")
> system("convert tmp/79n2j1241966659.ps tmp/79n2j1241966659.png")
> 
> 
> proc.time()
   user  system elapsed 
  2.531   1.567   2.875