Gabriels Wim OPG8 verbetering | |||||||||||||||||||||||||||||||||||||||||
| *Unverified author* | |||||||||||||||||||||||||||||||||||||||||
| R Software Module: rwasp_sdplot.wasp (opens new window with default values) | |||||||||||||||||||||||||||||||||||||||||
| Title produced by software: Standard Deviation Plot | |||||||||||||||||||||||||||||||||||||||||
| Date of computation: Mon, 01 Jun 2009 15:07:55 -0600 | |||||||||||||||||||||||||||||||||||||||||
| Cite this page as follows: | |||||||||||||||||||||||||||||||||||||||||
| Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2009/Jun/01/t124389056650a437x04oyq2j1.htm/, Retrieved Mon, 01 Jun 2009 23:09:32 +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/2009/Jun/01/t124389056650a437x04oyq2j1.htm/},
year = {2009},
}
@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 = {2009},
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: | |||||||||||||||||||||||||||||||||||||||||
| Dataseries X: | |||||||||||||||||||||||||||||||||||||||||
| » Textbox « » Textfile « » CSV « | |||||||||||||||||||||||||||||||||||||||||
| 374 572 402 589 507 628 698 451 694 0 488 526 343 494 447 0 470 366 517 483 485 530 308 481 437 468 502 408 479 436 410 451 344 411 0 427 454 365 499 416 430 470 325 452 442 488 446 523 594 439 588 503 444 525 375 472 436 458 514 0 472 360 450 549 361 466 387 457 470 396 471 422 404 414 342 459 379 0 410 319 411 371 365 429 333 392 469 432 534 379 436 448 358 492 387 529 475 439 459 361 0 0 394 425 341 455 403 471 523 389 531 468 398 446 355 435 353 0 400 332 389 355 384 406 356 336 351 278 265 229 387 435 317 490 472 440 429 350 489 494 436 436 375 429 0 434 472 362 440 433 400 442 316 432 401 434 488 377 484 377 0 0 300 389 337 376 377 331 339 356 280 249 196 268 379 401 404 397 419 421 407 296 468 475 422 456 339 446 419 346 327 326 403 359 358 421 322 367 394 356 418 344 372 358 373 379 0 348 369 341 etc... | |||||||||||||||||||||||||||||||||||||||||
| 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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