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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_tukeylambda.wasp
Title produced by softwareTukey lambda PPCC Plot
Date of computationThu, 23 Oct 2008 11:50:22 -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/23/t1224784262aahu3er69rq8lxj.htm/, Retrieved Sun, 19 May 2024 15:24:02 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=18562, Retrieved Sun, 19 May 2024 15:24:02 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact145

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
F     [Central Tendency] [Q1 central tenden...] [2007-10-18 09:35:57] [b731da8b544846036771bbf9bf2f34ce]
F RMPD  [Univariate Explorative Data Analysis] [Model investering...] [2008-10-23 17:08:40] [e5d91604aae608e98a8ea24759233f66]
F    D    [Univariate Explorative Data Analysis] [Model omzet consu...] [2008-10-23 17:33:01] [e5d91604aae608e98a8ea24759233f66]
F RM        [Tukey lambda PPCC Plot] [PPCC plot Omzet c...] [2008-10-23 17:44:44] [e5d91604aae608e98a8ea24759233f66]
F    D        [Tukey lambda PPCC Plot] [PPCC plot Niet-we...] [2008-10-23 17:48:25] [e5d91604aae608e98a8ea24759233f66]
F    D            [Tukey lambda PPCC Plot] [PPCC plot BEL20 a...] [2008-10-23 17:50:22] [55ca0ca4a201c9689dcf5fae352c92eb] [Current]
Feedback Forum
2008-11-01 15:41:20 [Steffi Van Isveldt] [reply] 
De correlatie is het grootst bij lambda=1 wat betekent dat het niet om een normaalverdeling gaat. Deze normaalverdeling is nodig om correcte uitspraken over onze tijdreeksen te maken.
2008-11-02 22:08:06 [Bernard Femont] [reply] 
De correlatie is het grootst bij lambda=1 wat betekent dat het niet om een normaalverdeling gaat.

Post a new message

Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
1946.81
1765.9
1635.25
1833.42
1910.43
1959.67
1969.6
2061.41
2093.48
2120.88
2174.56
2196.72
2350.44
2440.25
2408.64
2472.81
2407.6
2454.62
2448.05
2497.84
2645.64
2756.76
2849.27
2921.44
3080.58
3106.22
3119.31
3061.26
3097.31
3161.69
3257.16
3277.01
3295.32
3363.99
3494.17
3667.03
3813.06
3917.96
3895.51
3733.22
3801.06
3570.12
3701.61
3862.27
3970.1
4138.52
4199.75
4290.89
4443.91
4502.64
4356.98
4591.27
4696.96
4621.4
4562.84
4202.52
4296.49
4435.23
4105.18
4116.68

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=18562&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=18562&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=18562&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)0.583543343891046
Exact Logistic (lambda=0)0.958193417820467
Approx. Normal (lambda=0.14)0.974791860753698
U-shaped (lambda=0.5)0.99320989303837
Exactly Uniform (lambda=1)0.9978004382308

\begin{tabular}{lllllllll}
\hline
Tukey Lambda - Key Values \tabularnewline
Distribution (lambda) & Correlation \tabularnewline
Approx. Cauchy (lambda=-1) & 0.583543343891046 \tabularnewline
Exact Logistic (lambda=0) & 0.958193417820467 \tabularnewline
Approx. Normal (lambda=0.14) & 0.974791860753698 \tabularnewline
U-shaped (lambda=0.5) & 0.99320989303837 \tabularnewline
Exactly Uniform (lambda=1) & 0.9978004382308 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=18562&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]0.583543343891046[/C][/ROW]
[ROW][C]Exact Logistic (lambda=0)[/C][C]0.958193417820467[/C][/ROW]
[ROW][C]Approx. Normal (lambda=0.14)[/C][C]0.974791860753698[/C][/ROW]
[ROW][C]U-shaped (lambda=0.5)[/C][C]0.99320989303837[/C][/ROW]
[ROW][C]Exactly Uniform (lambda=1)[/C][C]0.9978004382308[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=18562&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=18562&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)0.583543343891046
Exact Logistic (lambda=0)0.958193417820467
Approx. Normal (lambda=0.14)0.974791860753698
U-shaped (lambda=0.5)0.99320989303837
Exactly Uniform (lambda=1)0.9978004382308


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 0 ; par2 = 12 ;
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')