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(15136
+ ,16733
+ ,20016
+ ,17708
+ ,18019
+ ,19227
+ ,22893
+ ,23739
+ ,21133
+ ,22591
+ ,26786
+ ,29740
+ ,15028
+ ,17977
+ ,20008
+ ,21354
+ ,19498
+ ,22125
+ ,25817
+ ,28779
+ ,20960
+ ,22254
+ ,27392
+ ,29945
+ ,16933
+ ,17892
+ ,20533
+ ,23569
+ ,22417
+ ,22084
+ ,26580
+ ,27454
+ ,24081
+ ,23451
+ ,28991
+ ,31386
+ ,16896
+ ,20045
+ ,23471
+ ,21747
+ ,25621
+ ,23859
+ ,25500
+ ,30998
+ ,24475
+ ,23145
+ ,29701
+ ,34365
+ ,17556
+ ,22077
+ ,25702
+ ,22214
+ ,26886
+ ,23191
+ ,27831
+ ,35406
+ ,23195
+ ,25110
+ ,30009
+ ,36242
+ ,18450
+ ,21845
+ ,26488
+ ,22394
+ ,28057
+ ,25451
+ ,24872
+ ,33424
+ ,24052
+ ,28449
+ ,33533
+ ,37351
+ ,19969
+ ,21701
+ ,26249
+ ,24493
+ ,24603
+ ,26485
+ ,30723
+ ,34569
+ ,26689
+ ,26157
+ ,32064
+ ,38870
+ ,21337
+ ,19419
+ ,23166
+ ,28286
+ ,24570
+ ,24001
+ ,33151
+ ,24878
+ ,26804
+ ,28967
+ ,33311
+ ,40226
+ ,20504
+ ,23060
+ ,23562
+ ,27562
+ ,23940
+ ,24584
+ ,34303
+ ,25517
+ ,23494
+ ,29095
+ ,32903
+ ,34379
+ ,16991
+ ,21109
+ ,23740
+ ,25552
+ ,21752
+ ,20294
+ ,29009
+ ,25500
+ ,24166
+ ,26960
+ ,31222
+ ,38641
+ ,14672
+ ,17543
+ ,25453
+ ,32683
+ ,22449
+ ,22316
+ ,27595
+ ,25451
+ ,25421
+ ,25288
+ ,32568
+ ,35110
+ ,16052
+ ,22146
+ ,21198
+ ,19543
+ ,22084
+ ,23816
+ ,29961
+ ,26773
+ ,26635
+ ,26972
+ ,30207
+ ,38687
+ ,16974
+ ,21697
+ ,24179
+ ,23757
+ ,25013
+ ,24019
+ ,30345
+ ,24488
+ ,25156
+ ,25650
+ ,30923
+ ,37240
+ ,17466
+ ,19463
+ ,24352
+ ,26805
+ ,25236
+ ,24735
+ ,29356
+ ,31234
+ ,22724
+ ,28496
+ ,32857
+ ,37198
+ ,13652
+ ,22784
+ ,23565
+ ,26323
+ ,23779
+ ,27549
+ ,29660
+ ,23356)
> 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* 25392.15 137.7451    370.0774
t2* 24669.00 173.2700    386.2486
t3* 26939.00 -74.3300    484.1042
> postscript(file="/var/www/html/freestat/rcomp/tmp/1f7vs1275815541.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,1],type='p',ylab='simulated values',main='Simulation of Mean')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/2f7vs1275815541.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$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/3f7vs1275815541.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(r$t[,3],type='p',ylab='simulated values',main='Simulation of Midrange')
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/4f7vs1275815541.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$t[,1],col='black',main='Density Plot',xlab='mean')
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5pycv1275815541.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$t[,2],col='black',main='Density Plot',xlab='median')
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/6pycv1275815541.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> densityplot(~r$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$t[,3]))
Warning message:
In data.row.names(row.names, rowsi, i) :
  some row.names duplicated: 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50 --> row.names NOT used
> colnames(z) <- list('mean','median','midrange')
> postscript(file="/var/www/html/freestat/rcomp/tmp/7pycv1275815541.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> boxplot(z,notch=TRUE,ylab='simulated values',main='Bootstrap Simulation - Central Tendency')
Warning message:
In bxp(list(stats = c(24715.9318181818, 25287.625, 25485.6448863636,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> grid()
> dev.off()
null device 
          1 
> 
> #Note: the /var/www/html/freestat/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/freestat/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Estimation Results of Blocked Bootstrap',6,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'statistic',header=TRUE)
> a<-table.element(a,'Q1',header=TRUE)
> a<-table.element(a,'Estimate',header=TRUE)
> a<-table.element(a,'Q3',header=TRUE)
> a<-table.element(a,'S.D.',header=TRUE)
> a<-table.element(a,'IQR',header=TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'mean',header=TRUE)
> q1 <- quantile(r$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/8eha71275815541.tab") 
> 
> try(system("convert tmp/1f7vs1275815541.ps tmp/1f7vs1275815541.png",intern=TRUE))
character(0)
> try(system("convert tmp/2f7vs1275815541.ps tmp/2f7vs1275815541.png",intern=TRUE))
character(0)
> try(system("convert tmp/3f7vs1275815541.ps tmp/3f7vs1275815541.png",intern=TRUE))
character(0)
> try(system("convert tmp/4f7vs1275815541.ps tmp/4f7vs1275815541.png",intern=TRUE))
character(0)
> try(system("convert tmp/5pycv1275815541.ps tmp/5pycv1275815541.png",intern=TRUE))
character(0)
> try(system("convert tmp/6pycv1275815541.ps tmp/6pycv1275815541.png",intern=TRUE))
character(0)
> try(system("convert tmp/7pycv1275815541.ps tmp/7pycv1275815541.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.465   1.538   2.685