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US DOllar per euro- robuust- Raf Deceulaer

R Software Module: rwasp_centraltendency.wasp (opens new window with default values)
Title produced by software: Central Tendency
Date of computation: Mon, 21 Apr 2008 15:55:27 -0600
 
Cite this page as follows:
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2008/Apr/21/t1208814979gfjruznjy12dn6l.htm/, Retrieved Mon, 21 Apr 2008 23:56:22 +0200
 
User-defined keywords:
 
Dataseries X:
» Textbox « » Textfile « » CSV «
1,0137 0,9834 0,9643 0,947 0,906 0,9492 0,9397 0,9041 0,8721 0,8552 0,8564 0,8973 0,9383 0,9217 0,9095 0,892 0,8742 0,8532 0,8607 0,9005 0,9111 0,9059 0,8883 0,8924 0,8833 0,87 0,8758 0,8858 0,917 0,9554 0,9922 0,9778 0,9808 0,9811 1,0014 1,0183 1,0622 1,0773 1,0807 1,0848 1,1582 1,1663 1,1372 1,1139 1,1222 1,1692 1,1702 1,2286 1,2613 1,2646 1,2262 1,1985 1,2007 1,2138 1,2266 1,2176 1,2218 1,249 1,2991 1,3408 1,3119 1,3014 1,3201 1,2938 1,2694 1,2165 1,2037 1,2292 1,2256 1,2015 1,1786 1,1856 1,2103 1,1938 1,202 1,2271 1,277 1,265 1,2684 1,2811 1,2727 1,2611 1,2881 1,3213 1,2999 1,3074 1,3242 1,3516 1,3511 1,3419 1,3716 1,3622 1,3896 1,4227 1,4684 1,457 1,4718
 
Text written by user:
 
Output produced by software:


Summary of compuational 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 Mean1.129798969072170.018204606640980962.061157999912
Geometric Mean1.11534535970301
Harmonic Mean1.10067745466107
Quadratic Mean1.14379231069281
Winsorized Mean ( 1 / 32 )1.129784536082470.018194527054422762.0947460026364
Winsorized Mean ( 2 / 32 )1.129574226804120.018145767239909762.2500119102016
Winsorized Mean ( 3 / 32 )1.128646391752580.017934651989133862.9310450203551
Winsorized Mean ( 4 / 32 )1.127664948453610.017653522048710563.8776186044972
Winsorized Mean ( 5 / 32 )1.126845360824740.017497769250348564.3993725544357
Winsorized Mean ( 6 / 32 )1.126393814432990.017394694011568164.7550232090254
Winsorized Mean ( 7 / 32 )1.125744329896910.017271155534805965.180602862862
Winsorized Mean ( 8 / 32 )1.126321649484540.017173319859771565.5855512318817
Winsorized Mean ( 9 / 32 )1.12570.017024540857507366.1221943911399
Winsorized Mean ( 10 / 32 )1.125844329896910.016971855554043666.3359599256472
Winsorized Mean ( 11 / 32 )1.124381443298970.016669031833676367.453314296718
Winsorized Mean ( 12 / 32 )1.124072164948450.016617268487612767.6448217579434
Winsorized Mean ( 13 / 32 )1.124568041237110.016502611773037568.1448522635954
Winsorized Mean ( 14 / 32 )1.123846391752580.016292310438620668.9801729464057
Winsorized Mean ( 15 / 32 )1.123707216494850.016129972810521969.6657849145182
Winsorized Mean ( 16 / 32 )1.123014432989690.015971617665538770.3131302355663
Winsorized Mean ( 17 / 32 )1.122769072164950.015938626475305170.4432765210062
Winsorized Mean ( 18 / 32 )1.123270103092780.015829756819220170.9594036042889
Winsorized Mean ( 19 / 32 )1.122545360824740.015666514198777771.6525288639078
Winsorized Mean ( 20 / 32 )1.122586597938140.015363342997267573.0691619745655
Winsorized Mean ( 21 / 32 )1.122088659793810.015053448437874874.5403064569988
Winsorized Mean ( 22 / 32 )1.124923711340210.014436587162882577.9217206011451
Winsorized Mean ( 23 / 32 )1.124236082474230.014280744565568378.723912280094
Winsorized Mean ( 24 / 32 )1.125225773195880.013950827002419680.6565641592945
Winsorized Mean ( 25 / 32 )1.125535051546390.013847772194909481.2791426450637
Winsorized Mean ( 26 / 32 )1.126285567010310.013530594626890583.239916505365
Winsorized Mean ( 27 / 32 )1.128651546391750.013194980359472385.5364324647535
Winsorized Mean ( 28 / 32 )1.131595876288660.012591943122878589.866660391171
Winsorized Mean ( 29 / 32 )1.132432989690720.012471669848131690.8004303738346
Winsorized Mean ( 30 / 32 )1.128783505154640.012064464116432793.562672511674
Winsorized Mean ( 31 / 32 )1.123190721649480.011333071310627899.1073550023631
Winsorized Mean ( 32 / 32 )1.125895876288660.0109424761058921102.892239872693
Trimmed Mean ( 1 / 32 )1.129110526315790.017997610297615262.7366915742922
Trimmed Mean ( 2 / 32 )1.128407526881720.017772001307491863.4935541224634
Trimmed Mean ( 3 / 32 )1.127785714285710.017542431487519964.28901917548
Trimmed Mean ( 4 / 32 )1.127473033707870.017366326309539164.922944185873
Trimmed Mean ( 5 / 32 )1.127419540229880.017252640073886165.3476531940388
Trimmed Mean ( 6 / 32 )1.127550588235290.01715896402946665.7120433552412
Trimmed Mean ( 7 / 32 )1.127550588235290.017069198723986366.0576167908115
Trimmed Mean ( 8 / 32 )1.128123456790120.016984836126548166.4194489946719
Trimmed Mean ( 9 / 32 )1.12840.016898985256338066.7732401019042
Trimmed Mean ( 10 / 32 )1.128777922077920.016818303835225967.1160381651389
Trimmed Mean ( 11 / 32 )1.129157333333330.016724991730113767.5131773787523
Trimmed Mean ( 12 / 32 )1.129734246575340.016656196165302167.8266655461698
Trimmed Mean ( 13 / 32 )1.130378873239440.016573181764063368.2053023572403
Trimmed Mean ( 14 / 32 )1.130378873239440.016482989671268968.5785100751336
Trimmed Mean ( 15 / 32 )1.131747761194030.016396765485907969.0226229171056
Trimmed Mean ( 16 / 32 )1.132547692307690.016306508420379469.4537213676145
Trimmed Mean ( 17 / 32 )1.133465079365080.016208920846128569.928472729621
Trimmed Mean ( 18 / 32 )1.134465573770490.016083099755133870.5377440321084
Trimmed Mean ( 19 / 32 )1.135488135593220.015935124003291271.2569375273578
Trimmed Mean ( 20 / 32 )1.136647368421050.015766276767699072.0935820909696
Trimmed Mean ( 21 / 32 )1.137887272727270.015593591892550572.97146677738
Trimmed Mean ( 22 / 32 )1.139264150943400.015414427650248973.908949251515
Trimmed Mean ( 23 / 32 )1.140503921568630.015280412672998574.6382932173014
Trimmed Mean ( 24 / 32 )1.141904081632650.015117285225135275.5363191622547
Trimmed Mean ( 25 / 32 )1.141904081632650.014949320972266176.3850133227526
Trimmed Mean ( 26 / 32 )1.144873333333330.014732160381116977.7125217018944
Trimmed Mean ( 27 / 32 )1.146486046511630.014491949336986279.1119275848958
Trimmed Mean ( 28 / 32 )1.146486046511630.01422911782824780.5732344302944
Trimmed Mean ( 29 / 32 )1.149510256410260.013992319946122382.1529425310788
Trimmed Mean ( 30 / 32 )1.151054054054050.013676600210294684.1622944558717
Trimmed Mean ( 31 / 32 )1.151054054054050.013300782040209286.5403290253411
Trimmed Mean ( 32 / 32 )1.155948484848480.012897718350906989.6242617026294
Median1.1856
Midrange1.1625
Midmean - Weighted Average at Xnp1.13924791666667
Midmean - Weighted Average at X(n+1)p1.14190408163265
Midmean - Empirical Distribution Function1.14190408163265
Midmean - Empirical Distribution Function - Averaging1.14190408163265
Midmean - Empirical Distribution Function - Interpolation1.14190408163265
Midmean - Closest Observation1.13786
Midmean - True Basic - Statistics Graphics Toolkit1.14190408163265
Midmean - MS Excel (old versions)1.14190408163265
Number of observations97
 
Charts produced by software:
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Apr/21/t1208814979gfjruznjy12dn6l/1kq861208814924.png (open in new window)
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Apr/21/t1208814979gfjruznjy12dn6l/1kq861208814924.ps (open in new window)


http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Apr/21/t1208814979gfjruznjy12dn6l/24zzc1208814924.png (open in new window)
http://127.0.0.1/wessadotnet/public_html/freestatisticsdotorg/blog/date/2008/Apr/21/t1208814979gfjruznjy12dn6l/24zzc1208814924.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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