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Data:
2005/12 2005/11 2005/10 2005/09 2005/08 2005/07 2005/06 2005/05 2005/04 2005/03 2005/02 2005/01 2004/12 2004/11 2004/10 2004/09 2004/08 2004/07 2004/06 2004/05 2004/04 2004/03 2004/02 2004/01 2003/12 2003/11 2003/10 2003/09 2003/08 2003/07 2003/06 2003/05 2003/04 2003/03 2003/02 2003/01 2002/12 2002/11 2002/10 2002/09 2002/08 2002/07 2002/06 2002/05 2002/04 2002/03 2002/02 2002/01 2001/12 2001/11 2001/10 2001/09 2001/08 2001/07 2001/06 2001/05 2001/04 2001/03 2001/02 2001/01 2000/12 2000/11 2000/10 2000/09 2000/08 2000/07 2000/06 2000/05 2000/04 2000/03 2000/02 2000/01 1999/12 1999/11 1999/10 1999/09 1999/08 1999/07 1999/06 1999/05 1999/04 1999/03 1999/02 1999/01 1998/12 1998/11 1998/10 1998/09 1998/08 1998/07 1998/06 1998/05 1998/04 1998/03 1998/02 1998/01
Sample Range:
(leave blank to include all observations)
From:
To:
# periods
Chart options
R Code
par1 <- as.numeric(par1) (n <- length(x)) (np <- floor(n / par1)) arr <- array(NA,dim=c(par1,np+1)) ari <- array(0,dim=par1) j <- 0 for (i in 1:n) { j = j + 1 ari[j] = ari[j] + 1 arr[j,ari[j]] <- x[i] if (j == par1) j = 0 } ari arr arr.sd <- array(NA,dim=par1) arr.range <- array(NA,dim=par1) arr.iqr <- array(NA,dim=par1) for (j in 1:par1) { arr.sd[j] <- sqrt(var(arr[j,],na.rm=TRUE)) arr.range[j] <- max(arr[j,],na.rm=TRUE) - min(arr[j,],na.rm=TRUE) arr.iqr[j] <- quantile(arr[j,],0.75,na.rm=TRUE) - quantile(arr[j,],0.25,na.rm=TRUE) } overall.sd <- sqrt(var(x)) overall.range <- max(x) - min(x) overall.iqr <- quantile(x,0.75) - quantile(x,0.25) bitmap(file='plot1.png') plot(arr.sd,type='b',ylab='S.D.',main='Standard Deviation Plot',xlab='Periodic Index') mtext(paste('# blocks = ',np)) abline(overall.sd,0) dev.off() bitmap(file='plot2.png') plot(arr.range,type='b',ylab='range',main='Range Plot',xlab='Periodic Index') mtext(paste('# blocks = ',np)) abline(overall.range,0) dev.off() bitmap(file='plot3.png') plot(arr.iqr,type='b',ylab='IQR',main='Interquartile Range Plot',xlab='Periodic Index') mtext(paste('# blocks = ',np)) abline(overall.iqr,0) dev.off() bitmap(file='plot4.png') z <- data.frame(t(arr)) names(z) <- c(1:par1) (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Periodic Subseries')) dev.off() bitmap(file='plot5.png') z <- data.frame(arr) names(z) <- c(1:np) (boxplot(z,notch=TRUE,col='grey',xlab='Block Index',ylab='Value',main='Notched Box Plots - Sequential Blocks')) dev.off() bitmap(file='plot6.png') z <- data.frame(cbind(arr.sd,arr.range,arr.iqr)) names(z) <- list('S.D.','Range','IQR') (boxplot(z,notch=TRUE,col='grey',ylab='Overall Variability',main='Notched Box Plots')) dev.off()
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