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eigen reeks (buitenlandse invoer) centrummaten- sorcha de bolle

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R Software Module: rwasp_centraltendency.wasp (opens new window with default values)
Title produced by software: Central Tendency
Date of computation: Mon, 03 Nov 2008 15:53:14 -0700
 
Cite this page as follows:
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2008/Nov/03/t1225752928a52y4fbyxh0etj6.htm/, Retrieved Mon, 03 Nov 2008 22:55:30 +0000
 
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/2008/Nov/03/t1225752928a52y4fbyxh0etj6.htm/},
    year = {2008},
}
@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 = {2008},
    note = {{ISBN} 3-900051-07-0},
    url = {http://www.R-project.org},
}
 
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
 
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Original text written by user:
 
IsPrivate?
No (this computation is public)
 
User-defined keywords:
 
Dataseries X:
» Textbox « » Textfile « » CSV «
11,9 13,6 15,2 12,5 14,9 13,7 12,5 13,1 14,5 15,2 16,1 14,8 15,1 14,8 16,1 14,3 15,2 14,9 13,1 12,6 13,6 14,4 14 12,9 13,4 13,5 14,8 14,3 14,3 14 13,2 12,2 14,3 15,7 14,2 14,6 14,5 14,3 15,3 14,4 13,7 14,2 13,5 11,9 14,6 15,6 14,1 14,9 14,2 14,6 17,2 15,4 14,3 17,5 14,5 14,4 16,6 16,7 16,6 16,9 15,7 16,4 18,4 16,9 16,5 18,3 15,1 15,7 18,1 16,8 18,9 19 18,1 17,8 21,5 17,1 18,7 19 16,4 16,9 18,6 19,3 19,4 17,6 18,6 18,1 20,4 18,1 19,6 19,9 19,2 17,8 19,2 22,1 21,2 19,5
 
Output produced by software:


Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'George Udny Yule' @ 72.249.76.132


Central Tendency - Ungrouped Data
MeasureValueS.E.Value/S.E.
Arithmetic Mean15.9093750.23938919956968466.4581987349388
Geometric Mean15.7437837411919
Harmonic Mean15.5840052023451
Quadratic Mean16.0795645411601
Winsorized Mean ( 1 / 32 )15.9031250.23776394901153866.8861913932471
Winsorized Mean ( 2 / 32 )15.9031250.23517655333607467.6220685030365
Winsorized Mean ( 3 / 32 )15.88750.22809398070770769.6533067234211
Winsorized Mean ( 4 / 32 )15.86666666666670.22394815868360670.8497304015929
Winsorized Mean ( 5 / 32 )15.856250.22025111515738271.9916899792758
Winsorized Mean ( 6 / 32 )15.868750.2163255369543773.3558794001618
Winsorized Mean ( 7 / 32 )15.87604166666670.21299217920566474.5381437284457
Winsorized Mean ( 8 / 32 )15.86770833333330.21155488893986175.0051601872652
Winsorized Mean ( 9 / 32 )15.86770833333330.20869001812721176.0348217692945
Winsorized Mean ( 10 / 32 )15.88854166666670.20596302359158677.1426899333776
Winsorized Mean ( 11 / 32 )15.87708333333330.20070314536269679.1072970213866
Winsorized Mean ( 12 / 32 )15.87708333333330.20070314536269679.1072970213866
Winsorized Mean ( 13 / 32 )15.87708333333330.19683058419429980.6637007064942
Winsorized Mean ( 14 / 32 )15.84791666666670.19219404466344382.4578966243124
Winsorized Mean ( 15 / 32 )15.84791666666670.18786647908019284.3573411513283
Winsorized Mean ( 16 / 32 )15.84791666666670.18786647908019284.3573411513283
Winsorized Mean ( 17 / 32 )15.8656250.17629115249938589.9967172207088
Winsorized Mean ( 18 / 32 )15.8468750.17347678648615091.3486773705319
Winsorized Mean ( 19 / 32 )15.82708333333330.16547035012051595.6490593136847
Winsorized Mean ( 20 / 32 )15.84791666666670.16321858101962197.0962776888838
Winsorized Mean ( 21 / 32 )15.84791666666670.16321858101962197.0962776888838
Winsorized Mean ( 22 / 32 )15.84791666666670.16321858101962197.0962776888837
Winsorized Mean ( 23 / 32 )15.80.150430668299095105.031774296087
Winsorized Mean ( 24 / 32 )15.80.150430668299095105.031774296087
Winsorized Mean ( 25 / 32 )15.74791666666670.143239303867740109.941309692538
Winsorized Mean ( 26 / 32 )15.72083333333330.139578914567398112.630431194121
Winsorized Mean ( 27 / 32 )15.63645833333330.128504554766593121.680187614629
Winsorized Mean ( 28 / 32 )15.60729166666670.124800233282391125.058193051221
Winsorized Mean ( 29 / 32 )15.57708333333330.113993297420178136.649116095979
Winsorized Mean ( 30 / 32 )15.57708333333330.113993297420178136.649116095979
Winsorized Mean ( 31 / 32 )15.57708333333330.113993297420178136.649116095979
Winsorized Mean ( 32 / 32 )15.57708333333330.106349712413383146.470385108188
Trimmed Mean ( 1 / 32 )15.88617021276600.23142304473018468.6455846749731
Trimmed Mean ( 2 / 32 )15.86847826086960.22418259094905270.7837222939218
Trimmed Mean ( 3 / 32 )15.850.21747759509783572.8810707736107
Trimmed Mean ( 4 / 32 )15.83636363636360.21286461016982874.3964138694968
Trimmed Mean ( 5 / 32 )15.82790697674420.20898197097759875.7381457486629
Trimmed Mean ( 6 / 32 )15.82142857142860.20556005964152276.9674254766206
Trimmed Mean ( 7 / 32 )15.81219512195120.20256106579894578.0613740334772
Trimmed Mean ( 8 / 32 )15.801250.19979810814666779.0860841805402
Trimmed Mean ( 9 / 32 )15.79102564102560.19685494098530980.2165572374642
Trimmed Mean ( 10 / 32 )15.78026315789470.19394355967599781.3652342168894
Trimmed Mean ( 11 / 32 )15.76621621621620.19097827835323582.5550232841396
Trimmed Mean ( 12 / 32 )15.75277777777780.18838507559427283.6200942568548
Trimmed Mean ( 13 / 32 )15.73857142857140.18526789798946984.9503427165026
Trimmed Mean ( 14 / 32 )15.72352941176470.18217442903612886.3102988435687
Trimmed Mean ( 15 / 32 )15.71060606060610.17923859666814487.6519139998285
Trimmed Mean ( 16 / 32 )15.6968750.17636891955140689.0002333740265
Trimmed Mean ( 17 / 32 )15.68225806451610.17284633368689890.7294805160501
Trimmed Mean ( 18 / 32 )15.6650.17037388264345591.9448436400461
Trimmed Mean ( 19 / 32 )15.64827586206900.16774439294068593.2864317414307
Trimmed Mean ( 20 / 32 )15.63214285714290.16573541625244594.3198696489368
Trimmed Mean ( 21 / 32 )15.61296296296300.16342863553222295.5338268114261
Trimmed Mean ( 22 / 32 )15.59230769230770.16040686753121897.2047390007986
Trimmed Mean ( 23 / 32 )15.570.15647259654453299.5062416285067
Trimmed Mean ( 24 / 32 )15.550.153822454530314101.090572553148
Trimmed Mean ( 25 / 32 )15.52826086956520.150254632295846103.346303753155
Trimmed Mean ( 26 / 32 )15.50909090909090.147057760790272105.462580320459
Trimmed Mean ( 27 / 32 )15.49047619047620.143533050652493107.922712713604
Trimmed Mean ( 28 / 32 )15.47750.141262054171380109.565870967886
Trimmed Mean ( 29 / 32 )15.46578947368420.138846923692646111.387339829866
Trimmed Mean ( 30 / 32 )15.45555555555560.137750893434400112.199312615826
Trimmed Mean ( 31 / 32 )15.44411764705880.135840368231196113.693137379997
Trimmed Mean ( 32 / 32 )15.431250.132777213054242116.219113543948
Median15.2
Midrange17
Midmean - Weighted Average at Xnp15.57
Midmean - Weighted Average at X(n+1)p15.57
Midmean - Empirical Distribution Function15.57
Midmean - Empirical Distribution Function - Averaging15.57
Midmean - Empirical Distribution Function - Interpolation15.57
Midmean - Closest Observation15.57
Midmean - True Basic - Statistics Graphics Toolkit15.57
Midmean - MS Excel (old versions)15.57
Number of observations96
 
Charts produced by software:
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Nov/03/t1225752928a52y4fbyxh0etj6/121yh1225752792.png (open in new window)
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Nov/03/t1225752928a52y4fbyxh0etj6/121yh1225752792.ps (open in new window)


http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Nov/03/t1225752928a52y4fbyxh0etj6/2qy8j1225752792.png (open in new window)
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Nov/03/t1225752928a52y4fbyxh0etj6/2qy8j1225752792.ps (open in new window)


 
Parameters (Session):
 
Parameters (R input):
 
R code (references can be found in the software module):
geomean <- function(x) {
return(exp(mean(log(x))))
}
harmean <- function(x) {
return(1/mean(1/x))
}
quamean <- function(x) {
return(sqrt(mean(x*x)))
}
winmean <- function(x) {
x <-sort(x[!is.na(x)])
n<-length(x)
denom <- 3
nodenom <- n/denom
if (nodenom>40) denom <- n/40
sqrtn = sqrt(n)
roundnodenom = floor(nodenom)
win <- array(NA,dim=c(roundnodenom,2))
for (j in 1:roundnodenom) {
win[j,1] <- (j*x[j+1]+sum(x[(j+1):(n-j)])+j*x[n-j])/n
win[j,2] <- sd(c(rep(x[j+1],j),x[(j+1):(n-j)],rep(x[n-j],j)))/sqrtn
}
return(win)
}
trimean <- function(x) {
x <-sort(x[!is.na(x)])
n<-length(x)
denom <- 3
nodenom <- n/denom
if (nodenom>40) denom <- n/40
sqrtn = sqrt(n)
roundnodenom = floor(nodenom)
tri <- array(NA,dim=c(roundnodenom,2))
for (j in 1:roundnodenom) {
tri[j,1] <- mean(x,trim=j/n)
tri[j,2] <- sd(x[(j+1):(n-j)]) / sqrt(n-j*2)
}
return(tri)
}
midrange <- function(x) {
return((max(x)+min(x))/2)
}
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]
}
}
}
}
midmean <- function(x,def) {
x <-sort(x[!is.na(x)])
n<-length(x)
if (def==1) {
qvalue1 <- q1(x,n,0.25,i,f)
qvalue3 <- q1(x,n,0.75,i,f)
}
if (def==2) {
qvalue1 <- q2(x,n,0.25,i,f)
qvalue3 <- q2(x,n,0.75,i,f)
}
if (def==3) {
qvalue1 <- q3(x,n,0.25,i,f)
qvalue3 <- q3(x,n,0.75,i,f)
}
if (def==4) {
qvalue1 <- q4(x,n,0.25,i,f)
qvalue3 <- q4(x,n,0.75,i,f)
}
if (def==5) {
qvalue1 <- q5(x,n,0.25,i,f)
qvalue3 <- q5(x,n,0.75,i,f)
}
if (def==6) {
qvalue1 <- q6(x,n,0.25,i,f)
qvalue3 <- q6(x,n,0.75,i,f)
}
if (def==7) {
qvalue1 <- q7(x,n,0.25,i,f)
qvalue3 <- q7(x,n,0.75,i,f)
}
if (def==8) {
qvalue1 <- q8(x,n,0.25,i,f)
qvalue3 <- q8(x,n,0.75,i,f)
}
midm <- 0
myn <- 0
roundno4 <- round(n/4)
round3no4 <- round(3*n/4)
for (i in 1:n) {
if ((x[i]>=qvalue1) & (x[i]<=qvalue3)){
midm = midm + x[i]
myn = myn + 1
}
}
midm = midm / myn
return(midm)
}
(arm <- mean(x))
sqrtn <- sqrt(length(x))
(armse <- sd(x) / sqrtn)
(armose <- arm / armse)
(geo <- geomean(x))
(har <- harmean(x))
(qua <- quamean(x))
(win <- winmean(x))
(tri <- trimean(x))
(midr <- midrange(x))
midm <- array(NA,dim=8)
for (j in 1:8) midm[j] <- midmean(x,j)
midm
bitmap(file='test1.png')
lb <- win[,1] - 2*win[,2]
ub <- win[,1] + 2*win[,2]
if ((ylimmin == '') | (ylimmax == '')) plot(win[,1],type='b',main=main, xlab='j', pch=19, ylab='Winsorized Mean(j/n)', ylim=c(min(lb),max(ub))) else plot(win[,1],type='l',main=main, xlab='j', pch=19, ylab='Winsorized Mean(j/n)', ylim=c(ylimmin,ylimmax))
lines(ub,lty=3)
lines(lb,lty=3)
grid()
dev.off()
bitmap(file='test2.png')
lb <- tri[,1] - 2*tri[,2]
ub <- tri[,1] + 2*tri[,2]
if ((ylimmin == '') | (ylimmax == '')) plot(tri[,1],type='b',main=main, xlab='j', pch=19, ylab='Trimmed Mean(j/n)', ylim=c(min(lb),max(ub))) else plot(tri[,1],type='l',main=main, xlab='j', pch=19, ylab='Trimmed Mean(j/n)', ylim=c(ylimmin,ylimmax))
lines(ub,lty=3)
lines(lb,lty=3)
grid()
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Central Tendency - Ungrouped Data',4,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Measure',header=TRUE)
a<-table.element(a,'Value',header=TRUE)
a<-table.element(a,'S.E.',header=TRUE)
a<-table.element(a,'Value/S.E.',header=TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean.htm', 'Arithmetic Mean', 'click to view the definition of the Arithmetic Mean'),header=TRUE)
a<-table.element(a,arm)
a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean_standard_error.htm', armse, 'click to view the definition of the Standard Error of the Arithmetic Mean'))
a<-table.element(a,armose)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/geometric_mean.htm', 'Geometric Mean', 'click to view the definition of the Geometric Mean'),header=TRUE)
a<-table.element(a,geo)
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/harmonic_mean.htm', 'Harmonic Mean', 'click to view the definition of the Harmonic Mean'),header=TRUE)
a<-table.element(a,har)
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/quadratic_mean.htm', 'Quadratic Mean', 'click to view the definition of the Quadratic Mean'),header=TRUE)
a<-table.element(a,qua)
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
for (j in 1:length(win[,1])) {
a<-table.row.start(a)
mylabel <- paste('Winsorized Mean (',j)
mylabel <- paste(mylabel,'/')
mylabel <- paste(mylabel,length(win[,1]))
mylabel <- paste(mylabel,')')
a<-table.element(a,hyperlink('http://www.xycoon.com/winsorized_mean.htm', mylabel, 'click to view the definition of the Winsorized Mean'),header=TRUE)
a<-table.element(a,win[j,1])
a<-table.element(a,win[j,2])
a<-table.element(a,win[j,1]/win[j,2])
a<-table.row.end(a)
}
for (j in 1:length(tri[,1])) {
a<-table.row.start(a)
mylabel <- paste('Trimmed Mean (',j)
mylabel <- paste(mylabel,'/')
mylabel <- paste(mylabel,length(tri[,1]))
mylabel <- paste(mylabel,')')
a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean.htm', mylabel, 'click to view the definition of the Trimmed Mean'),header=TRUE)
a<-table.element(a,tri[j,1])
a<-table.element(a,tri[j,2])
a<-table.element(a,tri[j,1]/tri[j,2])
a<-table.row.end(a)
}
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/median_1.htm', 'Median', 'click to view the definition of the Median'),header=TRUE)
a<-table.element(a,median(x))
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('http://www.xycoon.com/midrange.htm', 'Midrange', 'click to view the definition of the Midrange'),header=TRUE)
a<-table.element(a,midr)
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_1.htm','Weighted Average at Xnp',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[1])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_2.htm','Weighted Average at X(n+1)p',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[2])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_3.htm','Empirical Distribution Function',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[3])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_4.htm','Empirical Distribution Function - Averaging',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[4])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_5.htm','Empirical Distribution Function - Interpolation',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[5])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_6.htm','Closest Observation',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[6])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_7.htm','True Basic - Statistics Graphics Toolkit',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[7])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean')
mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_8.htm','MS Excel (old versions)',''),sep=' - ')
a<-table.element(a,mylabel,header=TRUE)
a<-table.element(a,midm[8])
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Number of observations',header=TRUE)
a<-table.element(a,length(x))
a<-table.element(a,'')
a<-table.element(a,'')
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')
 





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