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Data:
17.1 13.4 15.3 14 9.7 13.7 13.7 12.5 9.8 7 -1.9 -2.9 -6.8 -10.4 -17.2 -19.8 -16.8 -23.2 -21.7 -17.6 -13 -12.6 -4 -0.2 3.1 6.5 19.2 26.6 26.6 31.4 31.2 26.4 20.7 20.7 15 13.3 8.7 10.2 4.3 -0.1 -4.6 -3.9 -3.5 -3.4 -2.5 -1.1 0.3 -0.9 3.6 2.7 -0.2 -1 5.8 6.4 9.6 13.2 10.6 10.9 12.9 15.9 12.2 9.1 9 17.4 14.7 17 13.7 9.5 14.8 13.6 12.6 8.9 10.2 12.7 16 10.4 9.9 9.5 8.6 10 3.5 -4.2 -4.4 -1.5 -0.1 0.8 -2.4 -1.2 0.2 -1.9 -1.6 -4.2 -2.2 6.2 5.7 3.1 1.1 -0.9 0.1 -4 -4 -5.3 -8 -6.3 -3.6 -3.5 -5.1 -3.3
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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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