R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(19819.6,17512.40,18831.10,20175.50,21470.90,19929.70,22465.90,19618.40,18600.20,17271.00,18524.10,18830.40,19293.30,15802.20,17283.00,19534.60,16787.00,17144.00,18587.40,15434.00,14922.40,15794.30,16032.10,16065.00,16236.80,12521.00,14762.10,15446.90,13635.00,14212.60,15021.70,14134.30,13721.40,14384.50,15638.60,19711.60,20359.80,16141.40,20056.90,20605.50,19325.80,20547.70,19211.20,19009.50,18746.80,16471.50,18957.20,20515.20,18374.40)
> par1 = '12'
> par1 <- as.numeric(par1)
> n <- length(x)
> sx <- sort(x)
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Variance Reduction Matrix',6,TRUE)
> a<-table.row.end(a)
> for (bigd in 0:2) {
+ for (smalld in 0:3) {
+ mylabel <- 'V(Y[t],d='
+ mylabel <- paste(mylabel,as.character(smalld),sep='')
+ mylabel <- paste(mylabel,',D=',sep='')
+ mylabel <- paste(mylabel,as.character(bigd),sep='')
+ mylabel <- paste(mylabel,')',sep='')
+ a<-table.row.start(a)
+ a<-table.element(a,mylabel,header=TRUE)
+ myx <- x
+ if (smalld > 0) myx <- diff(x,lag=1,differences=smalld)
+ if (bigd > 0) myx <- diff(myx,lag=par1,differences=bigd)
+ a<-table.element(a,var(myx))
+ a<-table.element(a,'Range',header=TRUE)
+ a<-table.element(a,max(myx)-min(myx))
+ a<-table.element(a,'Trim Var.',header=TRUE)
+ smyx <- sort(myx)
+ sn <- length(smyx)
+ a<-table.element(a,var(smyx[smyx>quantile(smyx,0.05) & smyx<quantile(smyx,0.95)]))
+ a<-table.row.end(a)
+ }
+ }
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/1w3dq1323182495.tab") 
> 
> 
> 
> proc.time()
   user  system elapsed 
  0.247   0.047   0.285