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Description of Statistical Computation

Author's title

Author*Unverified author*
R Software Modulerwasp_tukeylambda.wasp
Title produced by softwareTukey lambda PPCC Plot
Date of computationMon, 27 Oct 2008 16:03:25 -0600
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2008/Oct/27/t1225145032qvyj2mfkebec7dx.htm/, Retrieved Sun, 19 May 2024 14:57:14 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=19676, Retrieved Sun, 19 May 2024 14:57:14 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact123

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
F     [Tukey lambda PPCC Plot] [Investigating dis...] [2007-10-22 19:59:15] [b9964c45117f7aac638ab9056d451faa]
F   PD    [Tukey lambda PPCC Plot] [Q8] [2008-10-27 22:03:25] [3a23ee8a65a3056dd39b310a09ef5fc1] [Current]
Feedback Forum
2008-11-03 10:48:21 [Lindsay Heyndrickx] [reply] 
Hier is er inderdaad de grootste correlatie bji lambda =5. Er is nog steeds hoge correlatie bij lambda=0.14 dit wil zeggen dat er nog steeds normaalverdeling is maar iets minder perfect.

Post a new message

Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
1120400
1118600
1120100
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1097300
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1099900
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1099500
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1096500
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1090400
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1086400
1083000
1081400
1080300
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1083800
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1078700
1075500
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1073000
1072000
1069000
1064000
1063000
1062000
1056000
1056000
1052000
1052000

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'George Udny Yule' @ 72.249.76.132

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 1 seconds \tabularnewline
R Server & 'George Udny Yule' @ 72.249.76.132 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=19676&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ 72.249.76.132[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=19676&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=19676&T=0

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'George Udny Yule' @ 72.249.76.132






Tukey Lambda - Key Values
Distribution (lambda)Correlation
Approx. Cauchy (lambda=-1)0.625083940185089
Exact Logistic (lambda=0)0.965400189823207
Approx. Normal (lambda=0.14)0.975276993742214
U-shaped (lambda=0.5)0.980314623790462
Exactly Uniform (lambda=1)0.97539104526621

\begin{tabular}{lllllllll}
\hline
Tukey Lambda - Key Values \tabularnewline
Distribution (lambda) & Correlation \tabularnewline
Approx. Cauchy (lambda=-1) & 0.625083940185089 \tabularnewline
Exact Logistic (lambda=0) & 0.965400189823207 \tabularnewline
Approx. Normal (lambda=0.14) & 0.975276993742214 \tabularnewline
U-shaped (lambda=0.5) & 0.980314623790462 \tabularnewline
Exactly Uniform (lambda=1) & 0.97539104526621 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=19676&T=1

[TABLE]
[ROW][C]Tukey Lambda - Key Values[/C][/ROW]
[ROW][C]Distribution (lambda)[/C][C]Correlation[/C][/ROW]
[ROW][C]Approx. Cauchy (lambda=-1)[/C][C]0.625083940185089[/C][/ROW]
[ROW][C]Exact Logistic (lambda=0)[/C][C]0.965400189823207[/C][/ROW]
[ROW][C]Approx. Normal (lambda=0.14)[/C][C]0.975276993742214[/C][/ROW]
[ROW][C]U-shaped (lambda=0.5)[/C][C]0.980314623790462[/C][/ROW]
[ROW][C]Exactly Uniform (lambda=1)[/C][C]0.97539104526621[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=19676&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=19676&T=1

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Tukey Lambda - Key Values
Distribution (lambda)Correlation
Approx. Cauchy (lambda=-1)0.625083940185089
Exact Logistic (lambda=0)0.965400189823207
Approx. Normal (lambda=0.14)0.975276993742214
U-shaped (lambda=0.5)0.980314623790462
Exactly Uniform (lambda=1)0.97539104526621


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 0 ; par2 = 0 ;
Parameters (R input):
R code (references can be found in the software module):
gp <- function(lambda, p)
{
(p^lambda-(1-p)^lambda)/lambda
}
sortx <- sort(x)
c <- array(NA,dim=c(201))
for (i in 1:201)
{
if (i != 101) c[i] <- cor(gp(ppoints(x), lambda=(i-101)/100),sortx)
}
bitmap(file='test1.png')
plot((-100:100)/100,c[1:201],xlab='lambda',ylab='correlation',main='PPCC Plot - Tukey lambda')
grid()
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Tukey Lambda - Key Values',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Distribution (lambda)',1,TRUE)
a<-table.element(a,'Correlation',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Approx. Cauchy (lambda=-1)',header=TRUE)
a<-table.element(a,c[1])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Exact Logistic (lambda=0)',header=TRUE)
a<-table.element(a,(c[100]+c[102])/2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Approx. Normal (lambda=0.14)',header=TRUE)
a<-table.element(a,c[115])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'U-shaped (lambda=0.5)',header=TRUE)
a<-table.element(a,c[151])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Exactly Uniform (lambda=1)',header=TRUE)
a<-table.element(a,c[201])
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')