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Data:
73.97 75.01 75.98 78.85 79.34 79.62 79.76 79.62 79.89 79.88 79.97 79.63 80.04 80.23 80.44 81.78 82.51 82.43 82.35 82.53 82.08 82.73 82.46 81.98 82.11 82.26 82.51 82.89 83.83 84.73 84.48 84.84 84.99 84.7 84.54 84.73 84.51 84.54 84.27 84.47 84.25 84.33 84.29 84.53 84.01 84.18 84.08 83.44 83.61 83.89 83.4 82.96 82.76 83.35 87.78 88.99 88.92 88.91 89.79 90.54 93.15 92.79 93.21 95.35 100.91 103.69 104.04 104.16 104.71 105.18 104.92 104.83 104.9 105.05 104.6 103.21 102.52 101.09 101.19 102.34 102.62 102.47 101.82 101.86 101.54 101.98 101.23 100.4 99.94 99.94 100 98.8 99.07 99.46 99.18 98.47 97.12 96.91 96.09 97.17 96.8 97.13 99.9 100.56 100.84 99.81 100.44 100.07
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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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