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Data:
1.00 1.10 0.20 0.20 -0.10 -0.20 -0.10 -0.40 0.00 -0.30 -0.20 0.30 1.80 2.40 2.90 3.60 3.90 4.90 5.20 5.80 6.00 7.60 7.70 8.70 8.70 8.90 9.20 9.70 10.20 10.50 10.10 11.40 11.60 11.60 12.40 12.40 11.40 11.60 11.90 11.00 10.70 10.30 11.00 10.20 10.10 9.90 9.30 8.50 8.40 8.10 7.80 8.40 8.80 8.90 8.40 7.80 7.50 7.30 7.60 7.90 8.30 8.20 8.00 7.60 7.30 6.80 6.40 6.60 6.80 6.60 6.00 5.80 5.90 5.50 5.30 5.30 4.90 5.40 6.20 6.20 6.40 7.10 7.40 7.90 7.60 8.40 8.80 8.60 8.70 8.90 8.20 8.10 7.30 6.90 7.00 6.90 7.10 7.00 7.00 7.20 7.70 7.40 7.40 7.40 7.80 8.00 7.80 7.40 6.90 5.90 5.60 5.40 4.40 3.90 3.80 3.90 3.90 4.10 3.90 4.20 4.20 4.70 4.40 4.60 5.50 5.90 6.00 5.80 4.90
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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)) darr <- array(NA,dim=c(par1,np+1)) ari <- array(0,dim=par1) dx <- diff(x) j <- 0 for (i in 1:n) { j = j + 1 ari[j] = ari[j] + 1 arr[j,ari[j]] <- x[i] darr[j,ari[j]] <- dx[i] if (j == par1) j = 0 } ari arr darr arr.mean <- array(NA,dim=par1) arr.median <- array(NA,dim=par1) arr.midrange <- array(NA,dim=par1) for (j in 1:par1) { arr.mean[j] <- mean(arr[j,],na.rm=TRUE) arr.median[j] <- median(arr[j,],na.rm=TRUE) arr.midrange[j] <- (quantile(arr[j,],0.75,na.rm=TRUE) + quantile(arr[j,],0.25,na.rm=TRUE)) / 2 } overall.mean <- mean(x) overall.median <- median(x) overall.midrange <- (quantile(x,0.75) + quantile(x,0.25)) / 2 bitmap(file='plot1.png') plot(arr.mean,type='b',ylab='mean',main='Mean Plot',xlab='Periodic Index') mtext(paste('#blocks = ',np)) abline(overall.mean,0) dev.off() bitmap(file='plot2.png') plot(arr.median,type='b',ylab='median',main='Median Plot',xlab='Periodic Index') mtext(paste('#blocks = ',np)) abline(overall.median,0) dev.off() bitmap(file='plot3.png') plot(arr.midrange,type='b',ylab='midrange',main='Midrange Plot',xlab='Periodic Index') mtext(paste('#blocks = ',np)) abline(overall.midrange,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='plot4b.png') z <- data.frame(t(darr)) names(z) <- c(1:par1) (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Differenced 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.mean,arr.median,arr.midrange)) names(z) <- list('mean','median','midrange') (boxplot(z,notch=TRUE,col='grey',ylab='Overall Central Tendency',main='Notched Box Plots')) dev.off()
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