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Data:
124.06 124.58 122.00 124.02 124.16 124.29 123.93 124.62 121.81 124.14 124.31 125.15 125.35 125.48 124.17 125.33 124.46 123.39 123.14 122.24 119.31 120.87 120.43 119.41 118.85 119.08 117.25 118.51 118.42 118.56 117.97 117.98 115.25 117.23 117.08 116.83 117.17 117.73 115.74 116.99 116.90 116.49 115.84 115.92 113.32 114.84 114.75 114.84 115.03 115.03 112.99 114.15 113.77 113.57 113.38 112.71 110.27 111.73 112.12 112.31 111.73 111.83 109.99 111.15 111.25 110.87 110.27 110.18 108.15 109.60 109.60 109.41 109.80 109.60 107.76 109.02 108.62 109.02 109.22 108.92 106.69 107.76 107.66 107.85 107.95 107.85 106.30 107.37 107.66 107.46 107.37 107.18 105.43 106.39 106.50 106.50 106.69 106.50 105.14 106.50 106.20 105.72 104.76 104.55 102.71 104.36 104.65 104.46 104.65 103.88 102.32 103.39 103.00 102.71 102.51 102.04 100.00
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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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