Katleen van den Akker - Opgave 7 - Oefening 3 | |||||||||||||||||||||||||||||||||||||||||
| *Unverified author* | |||||||||||||||||||||||||||||||||||||||||
| R Software Module: /rwasp_sdplot.wasp (opens new window with default values) | |||||||||||||||||||||||||||||||||||||||||
| Title produced by software: Standard Deviation Plot | |||||||||||||||||||||||||||||||||||||||||
| Date of computation: Fri, 21 May 2010 15:02:01 +0000 | |||||||||||||||||||||||||||||||||||||||||
| Cite this page as follows: | |||||||||||||||||||||||||||||||||||||||||
| Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2010/May/21/t12744542161jnwc5a2bmbftkf.htm/, Retrieved Fri, 21 May 2010 17:03:38 +0200 | |||||||||||||||||||||||||||||||||||||||||
| BibTeX entries for LaTeX users: | |||||||||||||||||||||||||||||||||||||||||
@Manual{KEY,
author = {{YOUR NAME}},
publisher = {Office for Research Development and Education},
title = {Statistical Computations at FreeStatistics.org, URL http://www.freestatistics.org/blog/date/2010/May/21/t12744542161jnwc5a2bmbftkf.htm/},
year = {2010},
}
@Manual{R,
title = {R: A Language and Environment for Statistical Computing},
author = {{R Development Core Team}},
organization = {R Foundation for Statistical Computing},
address = {Vienna, Austria},
year = {2010},
note = {{ISBN} 3-900051-07-0},
url = {http://www.R-project.org},
}
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| Original text written by user: | |||||||||||||||||||||||||||||||||||||||||
| IsPrivate? | |||||||||||||||||||||||||||||||||||||||||
| No (this computation is public) | |||||||||||||||||||||||||||||||||||||||||
| User-defined keywords: | |||||||||||||||||||||||||||||||||||||||||
| KDGP2W83 | |||||||||||||||||||||||||||||||||||||||||
| Dataseries X: | |||||||||||||||||||||||||||||||||||||||||
| » Textbox « » Textfile « » CSV « | |||||||||||||||||||||||||||||||||||||||||
| 285708 905858 225733 405481 845758 805651 395747 695853 175625 405534 965639 575634 576023 566089 336141 26271 586226 376484 176583 287042 997142 207694 418003 838258 848182 658215 208304 398599 438399 578393 988390 958304 318251 78307 408520 748640 258520 518618 388588 238842 328957 499266 109011 168896 798921 878732 897576 518317 228370 758167 658491 518170 398212 498286 78136 647990 357927 698061 407932 637934 397784 217980 47737 467672 67651 167524 687406 367345 157553 887453 227566 817279 697059 997185 847075 547122 996977 346998 967154 547097 586853 46728 236883 36784 277085 446998 586725 496845 86765 146966 197113 657096 337200 17273 457284 507696 547628 157435 67793 267631 518397 918560 918895 429509 289569 9010172 1810617 7111400 1611919 9712714 2913310 1013816 6714518 2414721 9114534 8214993 6215159 515612 9415340 3715267 | |||||||||||||||||||||||||||||||||||||||||
| Output produced by software: | |||||||||||||||||||||||||||||||||||||||||
| Charts produced by software: |
| Parameters (Session): | par1 = 12 ; | | Parameters (R input): | par1 = 12 ; | | R code (references can be found in the software module): | 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() | Copyright
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