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Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_notchedbox1.wasp

Title produced by software

Notched Boxplots

Date of computation

Sat, 02 Oct 2010 17:05:05 +0000

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2010/Oct/02/t1286039052d3drtvrnk4d3vjh.htm/, Retrieved Mon, 29 Apr 2024 18:37:16 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=80075, Retrieved Mon, 29 Apr 2024 18:37:16 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

216

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-     [Notched Boxplots] [Screen Width and ...] [2010-09-25 10:03:47] [b98453cac15ba1066b407e146608df68]
F   PD    [Notched Boxplots] [Notched Boxplots] [2010-10-02 17:05:05] [99c051a77087383325372ff23bc64341] [Current]
-   PD      [Notched Boxplots] [Boxplot verbeteri...] [2010-10-09 10:29:36] [1afa3497b02a8d7c9f6727c1b17b89b2] 

Feedback Forum

2010-10-09 11:35:17 [Kim Van Assche] [reply] 
Task 7: De weergave van de boxplot is volgens mij fout. ik heb een nieuwe gemaakt: http://www.freestatistics.org/blog/index.php?v=date/2010/Oct/09/t1286620156p0mrtwusgo9ekhg.htm/. Er zijn nog outliers te zien, dit is niet de bedoeling. De extreme waarden heb ik weggelaten en de sample range aangepast. De onderkant van de boxplot geeft het 25ste percentiel weer en het bovenste het 75ste. Wanneer we outliers uitschakelen zien we een beter resultaat. 50% van de studenten heeft een scherm van 800 x 1280 
2010-10-10 09:17:42 [Andries Achten] [reply] 
Zoals hierboven vermeld zouden de uitschieters allemaal verwijderd moeten zijn om geen vertekend beeld te krijgen. De uitschieters verwijderen kan ofwel handmatig (extreme waarden verwijderen uit data) of via het aanpassen van de R code. Als de uitschieters verwijderd hebben (zoals de link hierboven) dan kunnen we besluiten dat de uitshieters niet echt invloed hadden op de boxplot, we krijgen ongeveer dezelfde boxplot dus deze is niet gevoelig voor uitschieters. 

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Dataseries X:

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Histogram

Boxplots

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	4 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 & 4 seconds \tabularnewline
R Server & 'George Udny Yule' @ 72.249.76.132 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=80075&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]4 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=80075&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=80075&T=0

As an alternative you can also use a QR Code:

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

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	4 seconds
R Server	'George Udny Yule' @ 72.249.76.132

Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
Width	1152	1280	1280	1366	1440
Height	640	768	800	900	1050

\begin{tabular}{lllllllll}
\hline
Boxplot statistics \tabularnewline
Variable & lower whisker & lower hinge & median & upper hinge & upper whisker \tabularnewline
Width & 1152 & 1280 & 1280 & 1366 & 1440 \tabularnewline
Height & 640 & 768 & 800 & 900 & 1050 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=80075&T=1

[TABLE]
[ROW][C]Boxplot statistics[/C][/ROW]
[ROW][C]Variable[/C][C]lower whisker[/C][C]lower hinge[/C][C]median[/C][C]upper hinge[/C][C]upper whisker[/C][/ROW]
[ROW][C]Width[/C][C]1152[/C][C]1280[/C][C]1280[/C][C]1366[/C][C]1440[/C][/ROW]
[ROW][C]Height[/C][C]640[/C][C]768[/C][C]800[/C][C]900[/C][C]1050[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=80075&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=80075&T=1

As an alternative you can also use a QR Code:

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

Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
Width	1152	1280	1280	1366	1440
Height	640	768	800	900	1050

Boxplot Notches
Variable	lower bound	median	upper bound
Width	1268.21770973411	1280	1291.78229026589
Height	781.915554475605	800	818.084445524395

\begin{tabular}{lllllllll}
\hline
Boxplot Notches \tabularnewline
Variable & lower bound & median & upper bound \tabularnewline
Width & 1268.21770973411 & 1280 & 1291.78229026589 \tabularnewline
Height & 781.915554475605 & 800 & 818.084445524395 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=80075&T=2

[TABLE]
[ROW][C]Boxplot Notches[/C][/ROW]
[ROW][C]Variable[/C][C]lower bound[/C][C]median[/C][C]upper bound[/C][/ROW]
[ROW][C]Width[/C][C]1268.21770973411[/C][C]1280[/C][C]1291.78229026589[/C][/ROW]
[ROW][C]Height[/C][C]781.915554475605[/C][C]800[/C][C]818.084445524395[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=80075&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=80075&T=2

As an alternative you can also use a QR Code:

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

Boxplot Notches
Variable	lower bound	median	upper bound
Width	1268.21770973411	1280	1291.78229026589
Height	781.915554475605	800	818.084445524395

Figure 1

PNG link

Postscript link

PDF link

Parameters (Session):

par1 = 9 ; par2 = grey ; par3 = FALSE ; par4 = Unknown ;

Parameters (R input):

par1 = grey ;

R code (references can be found in the software module):

z <- as.data.frame(t(y))
bitmap(file='test1.png')
(r<-boxplot(z ,xlab=xlab,ylab=ylab,main=main,notch=TRUE,col=par1))
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,hyperlink('overview.htm','Boxplot statistics','Boxplot overview'),6,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Variable',1,TRUE)
a<-table.element(a,hyperlink('lower_whisker.htm','lower whisker','definition of lower whisker'),1,TRUE)
a<-table.element(a,hyperlink('lower_hinge.htm','lower hinge','definition of lower hinge'),1,TRUE)
a<-table.element(a,hyperlink('central_tendency.htm','median','definitions about measures of central tendency'),1,TRUE)
a<-table.element(a,hyperlink('upper_hinge.htm','upper hinge','definition of upper hinge'),1,TRUE)
a<-table.element(a,hyperlink('upper_whisker.htm','upper whisker','definition of upper whisker'),1,TRUE)
a<-table.row.end(a)
for (i in 1:length(y[,1]))
{
a<-table.row.start(a)
a<-table.element(a,dimnames(t(x))[[2]][i],1,TRUE)
for (j in 1:5)
{
a<-table.element(a,r$stats[j,i])
}
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable.tab')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Boxplot Notches',4,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Variable',1,TRUE)
a<-table.element(a,'lower bound',1,TRUE)
a<-table.element(a,'median',1,TRUE)
a<-table.element(a,'upper bound',1,TRUE)
a<-table.row.end(a)
for (i in 1:length(y[,1]))
{
a<-table.row.start(a)
a<-table.element(a,dimnames(t(x))[[2]][i],1,TRUE)
a<-table.element(a,r$conf[1,i])
a<-table.element(a,r$stats[3,i])
a<-table.element(a,r$conf[2,i])
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable1.tab')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code