R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> x <- c(362
+ ,361
+ ,361
+ ,356
+ ,364
+ ,375
+ ,391
+ ,379
+ ,389
+ ,387
+ ,379
+ ,385
+ ,399
+ ,388
+ ,392
+ ,395
+ ,395
+ ,370
+ ,376
+ ,367
+ ,356
+ ,362
+ ,346
+ ,347
+ ,350
+ ,361
+ ,358
+ ,334
+ ,331
+ ,337
+ ,337
+ ,341
+ ,344
+ ,342
+ ,353
+ ,355
+ ,354
+ ,353
+ ,365
+ ,366
+ ,354
+ ,353
+ ,363
+ ,368
+ ,366
+ ,376
+ ,383
+ ,382
+ ,386
+ ,389
+ ,388
+ ,382
+ ,379
+ ,374
+ ,380
+ ,383
+ ,384
+ ,385
+ ,378
+ ,378
+ ,378
+ ,383
+ ,381
+ ,382
+ ,382
+ ,390
+ ,401
+ ,392
+ ,401
+ ,406
+ ,408
+ ,421
+ ,412
+ ,407
+ ,411
+ ,405
+ ,416
+ ,410
+ ,397
+ ,409
+ ,406
+ ,406
+ ,412
+ ,426
+ ,423
+ ,425
+ ,425
+ ,423
+ ,434
+ ,434
+ ,440
+ ,422
+ ,431
+ ,442
+ ,448
+ ,448
+ ,475
+ ,481
+ ,488
+ ,476
+ ,474
+ ,455
+ ,455
+ ,434
+ ,447
+ ,455
+ ,459
+ ,465
+ ,464
+ ,468
+ ,467
+ ,468
+ ,467
+ ,454
+ ,470
+ ,477
+ ,462
+ ,467
+ ,469
+ ,467
+ ,469
+ ,466
+ ,469
+ ,482
+ ,474
+ ,477
+ ,468
+ ,469
+ ,480
+ ,474
+ ,474
+ ,471
+ ,443
+ ,441
+ ,440
+ ,436
+ ,442
+ ,437
+ ,444
+ ,440
+ ,444
+ ,440
+ ,438
+ ,427
+ ,421
+ ,424
+ ,422
+ ,436
+ ,435
+ ,433
+ ,420
+ ,417
+ ,411
+ ,430
+ ,428
+ ,428
+ ,426
+ ,432
+ ,426
+ ,426
+ ,424
+ ,424
+ ,431
+ ,441
+ ,444
+ ,447
+ ,440
+ ,442
+ ,439
+ ,439
+ ,453
+ ,459
+ ,462
+ ,466
+ ,464
+ ,473
+ ,469
+ ,474
+ ,480
+ ,482
+ ,486
+ ,486
+ ,484
+ ,484
+ ,487
+ ,490
+ ,491
+ ,495
+ ,497
+ ,496
+ ,489
+ ,485
+ ,490
+ ,493
+ ,487
+ ,495
+ ,506
+ ,492
+ ,500
+ ,499
+ ,518
+ ,517
+ ,505
+ ,522
+ ,519
+ ,519
+ ,522
+ ,519
+ ,543
+ ,537
+ ,537
+ ,520
+ ,523
+ ,526
+ ,537
+ ,534
+ ,536
+ ,557
+ ,554
+ ,550
+ ,549
+ ,575
+ ,595
+ ,636
+ ,628
+ ,594
+ ,590
+ ,590
+ ,605
+ ,618
+ ,630
+ ,638
+ ,645
+ ,640
+ ,640
+ ,634
+ ,647
+ ,682
+ ,679
+ ,677
+ ,697
+ ,702
+ ,679
+ ,685
+ ,695
+ ,685
+ ,688
+ ,685
+ ,694
+ ,694
+ ,697
+ ,700
+ ,695
+ ,693
+ ,693
+ ,722
+ ,725
+ ,715)
> x <-sort(x[!is.na(x)])
> q1 <- function(data,n,p,i,f) {
+ np <- n*p;
+ i <<- floor(np)
+ f <<- np - i
+ qvalue <- (1-f)*data[i] + f*data[i+1]
+ }
> q2 <- function(data,n,p,i,f) {
+ np <- (n+1)*p
+ i <<- floor(np)
+ f <<- np - i
+ qvalue <- (1-f)*data[i] + f*data[i+1]
+ }
> q3 <- function(data,n,p,i,f) {
+ np <- n*p
+ i <<- floor(np)
+ f <<- np - i
+ if (f==0) {
+ qvalue <- data[i]
+ } else {
+ qvalue <- data[i+1]
+ }
+ }
> q4 <- function(data,n,p,i,f) {
+ np <- n*p
+ i <<- floor(np)
+ f <<- np - i
+ if (f==0) {
+ qvalue <- (data[i]+data[i+1])/2
+ } else {
+ qvalue <- data[i+1]
+ }
+ }
> q5 <- function(data,n,p,i,f) {
+ np <- (n-1)*p
+ i <<- floor(np)
+ f <<- np - i
+ if (f==0) {
+ qvalue <- data[i+1]
+ } else {
+ qvalue <- data[i+1] + f*(data[i+2]-data[i+1])
+ }
+ }
> q6 <- function(data,n,p,i,f) {
+ np <- n*p+0.5
+ i <<- floor(np)
+ f <<- np - i
+ qvalue <- data[i]
+ }
> q7 <- function(data,n,p,i,f) {
+ np <- (n+1)*p
+ i <<- floor(np)
+ f <<- np - i
+ if (f==0) {
+ qvalue <- data[i]
+ } else {
+ qvalue <- f*data[i] + (1-f)*data[i+1]
+ }
+ }
> q8 <- function(data,n,p,i,f) {
+ np <- (n+1)*p
+ i <<- floor(np)
+ f <<- np - i
+ if (f==0) {
+ qvalue <- data[i]
+ } else {
+ if (f == 0.5) {
+ qvalue <- (data[i]+data[i+1])/2
+ } else {
+ if (f < 0.5) {
+ qvalue <- data[i]
+ } else {
+ qvalue <- data[i+1]
+ }
+ }
+ }
+ }
> lx <- length(x)
> qval <- array(NA,dim=c(99,8))
> mystep <- 25
> mystart <- 25
> if (lx>10){
+ mystep=10
+ mystart=10
+ }
> if (lx>20){
+ mystep=5
+ mystart=5
+ }
> if (lx>50){
+ mystep=2
+ mystart=2
+ }
> if (lx>=100){
+ mystep=1
+ mystart=1
+ }
> for (perc in seq(mystart,99,mystep)) {
+ qval[perc,1] <- q1(x,lx,perc/100,i,f)
+ qval[perc,2] <- q2(x,lx,perc/100,i,f)
+ qval[perc,3] <- q3(x,lx,perc/100,i,f)
+ qval[perc,4] <- q4(x,lx,perc/100,i,f)
+ qval[perc,5] <- q5(x,lx,perc/100,i,f)
+ qval[perc,6] <- q6(x,lx,perc/100,i,f)
+ qval[perc,7] <- q7(x,lx,perc/100,i,f)
+ qval[perc,8] <- q8(x,lx,perc/100,i,f)
+ }
> postscript(file="/var/wessaorg/rcomp/tmp/1d8wu1324630961.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> myqqnorm <- qqnorm(x,col=2)
> qqline(x)
> grid()
> dev.off()
null device 
          1 
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Percentiles - Ungrouped Data',9,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'p',1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_1.htm', 'Weighted Average at Xnp',''),1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_2.htm','Weighted Average at X(n+1)p',''),1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_3.htm','Empirical Distribution Function',''),1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_4.htm','Empirical Distribution Function - Averaging',''),1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_5.htm','Empirical Distribution Function - Interpolation',''),1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_6.htm','Closest Observation',''),1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_7.htm','True Basic - Statistics Graphics Toolkit',''),1,TRUE)
> a<-table.element(a,hyperlink('http://www.xycoon.com/method_8.htm','MS Excel (old versions)',''),1,TRUE)
> a<-table.row.end(a)
> for (perc in seq(mystart,99,mystep)) {
+ a<-table.row.start(a)
+ a<-table.element(a,round(perc/100,2),1,TRUE)
+ for (j in 1:8) {
+ a<-table.element(a,round(qval[perc,j],6))
+ }
+ a<-table.row.end(a)
+ }
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/2qaat1324630961.tab") 
> 
> try(system("convert tmp/1d8wu1324630961.ps tmp/1d8wu1324630961.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.082   0.129   1.205