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. 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(12.610,10.862,52.929,56.902,81.776,87.876,82.103,72.846,60.632,33.521,15.342,7.758,8.668,13.082,38.157,58.263,81.153,88.476,72.329,75.845,61.108,37.665,12.755,2.793,12.935,19.533,33.404,52.074,70.735,69.702,61.656,82.993,53.990,32.283,15.686,2.713,12.842,19.244,48.488,54.464,84.192,84.458,85.793,75.163,68.212,49.233,24.302,5.402,15.058,33.559,70.358,85.934,94.452,129.305,113.882,107.256,94.274,57.842,26.611,14.521) > par4 = '12' > par3 = '1' > par2 = '1' > par1 = '0.3' > par1 <- as.numeric(par1) > par2 <- as.numeric(par2) > par3 <- as.numeric(par3) > par4 <- as.numeric(par4) > if (par1 == 0) { + x <- log(x) + } else { + x <- (x ^ par1 - 1) / par1 + } > if (par2 > 0) x <- diff(x,lag=1,difference=par2) > if (par3 > 0) x <- diff(x,lag=par4,difference=par3) > postscript(file="/var/www/html/rcomp/tmp/1o15c1259864751.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > r <- spectrum(x,main='Raw Periodogram') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2p6qe1259864751.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > cpgram(x,main='Cumulative Periodogram') > 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,'Raw Periodogram',2,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Parameter',header=TRUE) > a<-table.element(a,'Value',header=TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Box-Cox transformation parameter (lambda)',header=TRUE) > a<-table.element(a,par1) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Degree of non-seasonal differencing (d)',header=TRUE) > a<-table.element(a,par2) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Degree of seasonal differencing (D)',header=TRUE) > a<-table.element(a,par3) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Seasonal Period (s)',header=TRUE) > a<-table.element(a,par4) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Frequency (Period)',header=TRUE) > a<-table.element(a,'Spectrum',header=TRUE) > a<-table.row.end(a) > for (i in 1:length(r$freq)) { + a<-table.row.start(a) + mylab <- round(r$freq[i],4) + mylab <- paste(mylab,' (',sep='') + mylab <- paste(mylab,round(1/r$freq[i],4),sep='') + mylab <- paste(mylab,')',sep='') + a<-table.element(a,mylab,header=TRUE) + a<-table.element(a,round(r$spec[i],6)) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/html/rcomp/tmp/36ix51259864751.tab") > > system("convert tmp/1o15c1259864751.ps tmp/1o15c1259864751.png") > system("convert tmp/2p6qe1259864751.ps tmp/2p6qe1259864751.png") > > > proc.time() user system elapsed 0.531 0.308 0.628