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Data:
102.8 106.3 103.7 106.9 104.3 105.4 96.2 95.7 95.9 93.6 94.7 94.5 96.6 96.7 98.9 102 105.2 106.4 99.3 96.4 93.1 95.6 93.3 96.7 105.6 105.2 107 104.9 104.5 105.2 99.7 100.2 98.5 98.4 97.1 98.4 100.6 111.3 119 117.8 108.8 109.3 103.5 103.7 110 105.5 110.4 106.7 110.2 105.2 108 108.1 107.2 106 99.4 100.2 100.3 100.8 99.5 100.2 103 111 120.5 109.5 106.6 105.5 103.9 104.9 104.8 99.6 97 95.4 99.3 103.9 107.4 107.4 111 113.2 108.5 113.3 113.8 105.3 107.5 109.4 118.9 119 115 124.1 120.5 117.7 117.1 118.1 119.6 118.8 124.9 124 124.9 121.7 121.6 125.1 127.9 129 130.1 130.3 127.9 124.1 125.7 129.2 129.2 132.6 131.5 131 125.8 127.2 127.3 127.5 122 118.4 118.3 115.5
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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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