Free Statistics

of Irreproducible Research!

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_chi_squared_tests.wasp
Title produced by softwareChi-Squared Test, McNemar Test, and Fisher Exact Test
Date of computationFri, 21 Dec 2012 15:26:30 -0500
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2012/Dec/21/t13561217755cjasx1oiaxuhot.htm/, Retrieved Thu, 28 Mar 2024 20:55:04 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=204239, Retrieved Thu, 28 Mar 2024 20:55:04 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact64
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [] [2012-12-21 20:21:01] [c2ad4d8e77d85a93bcbf48e9e7fc0d94]
- R P     [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [] [2012-12-21 20:26:30] [908f17a9de5f9a248c0a6ccff2e5399c] [Current]
Feedback Forum

Post a new message
Dataseries X:
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'Yes'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'Treatment'	'No'
'Treatment'	'No'
'Treatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'No'
'NoTreatment'	'Yes'
'NoTreatment'	'Yes'
'NoTreatment'	'No'




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Herman Ole Andreas Wold' @ wold.wessa.net

\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 & 2 seconds \tabularnewline
R Server & 'Herman Ole Andreas Wold' @ wold.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=204239&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]2 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Herman Ole Andreas Wold' @ wold.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=204239&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=204239&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Herman Ole Andreas Wold' @ wold.wessa.net







Tabulation of Results
T20 x CorrectAnalysis
NoYes
NoTreatment473
Treatment170

\begin{tabular}{lllllllll}
\hline
Tabulation of Results \tabularnewline
T20  x  CorrectAnalysis \tabularnewline
  & No & Yes \tabularnewline
NoTreatment & 47 & 3 \tabularnewline
Treatment & 17 & 0 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=204239&T=1

[TABLE]
[ROW][C]Tabulation of Results[/C][/ROW]
[ROW][C]T20  x  CorrectAnalysis[/C][/ROW]
[ROW][C] [/C][C]No[/C][C]Yes[/C][/ROW]
[C]NoTreatment[/C][C]47[/C][C]3[/C][/ROW]
[C]Treatment[/C][C]17[/C][C]0[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=204239&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=204239&T=1

As an alternative you can also use a QR Code:  

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

Tabulation of Results
T20 x CorrectAnalysis
NoYes
NoTreatment473
Treatment170







Tabulation of Expected Results
T20 x CorrectAnalysis
NoYes
NoTreatment47.762.24
Treatment16.240.76

\begin{tabular}{lllllllll}
\hline
Tabulation of Expected Results \tabularnewline
T20  x  CorrectAnalysis \tabularnewline
  & No & Yes \tabularnewline
NoTreatment & 47.76 & 2.24 \tabularnewline
Treatment & 16.24 & 0.76 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=204239&T=2

[TABLE]
[ROW][C]Tabulation of Expected Results[/C][/ROW]
[ROW][C]T20  x  CorrectAnalysis[/C][/ROW]
[ROW][C] [/C][C]No[/C][C]Yes[/C][/ROW]
[C]NoTreatment[/C][C]47.76[/C][C]2.24[/C][/ROW]
[C]Treatment[/C][C]16.24[/C][C]0.76[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=204239&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=204239&T=2

As an alternative you can also use a QR Code:  

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

Tabulation of Expected Results
T20 x CorrectAnalysis
NoYes
NoTreatment47.762.24
Treatment16.240.76







Statistical Results
Pearson's Chi-squared test with simulated p-value (based on 2000 replicates)
Exact Pearson Chi Square Statistic1.07
P value0.57

\begin{tabular}{lllllllll}
\hline
Statistical Results \tabularnewline
Pearson's Chi-squared test with simulated p-value
	 (based on 2000 replicates) \tabularnewline
Exact Pearson Chi Square Statistic & 1.07 \tabularnewline
P value & 0.57 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=204239&T=3

[TABLE]
[ROW][C]Statistical Results[/C][/ROW]
[ROW][C]Pearson's Chi-squared test with simulated p-value
	 (based on 2000 replicates)[/C][/ROW]
[ROW][C]Exact Pearson Chi Square Statistic[/C][C]1.07[/C][/ROW]
[ROW][C]P value[/C][C]0.57[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=204239&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=204239&T=3

As an alternative you can also use a QR Code:  

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

Statistical Results
Pearson's Chi-squared test with simulated p-value (based on 2000 replicates)
Exact Pearson Chi Square Statistic1.07
P value0.57



Parameters (Session):
par1 = 1 ; par2 = 2 ; par3 = Exact Pearson Chi-Squared by Simulation ;
Parameters (R input):
par1 = 1 ; par2 = 2 ; par3 = Exact Pearson Chi-Squared by Simulation ;
R code (references can be found in the software module):
library(vcd)
cat1 <- as.numeric(par1) #
cat2<- as.numeric(par2) #
simulate.p.value=FALSE
if (par3 == 'Exact Pearson Chi-Squared by Simulation') simulate.p.value=TRUE
x <- t(x)
(z <- array(unlist(x),dim=c(length(x[,1]),length(x[1,]))))
(table1 <- table(z[,cat1],z[,cat2]))
(V1<-dimnames(y)[[1]][cat1])
(V2<-dimnames(y)[[1]][cat2])
bitmap(file='pic1.png')
assoc(ftable(z[,cat1],z[,cat2],row.vars=1,dnn=c(V1,V2)),shade=T)
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Tabulation of Results',ncol(table1)+1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,paste(V1,' x ', V2),ncol(table1)+1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, ' ', 1,TRUE)
for(nc in 1:ncol(table1)){
a<-table.element(a, colnames(table1)[nc], 1, TRUE)
}
a<-table.row.end(a)
for(nr in 1:nrow(table1) ){
a<-table.element(a, rownames(table1)[nr], 1, TRUE)
for(nc in 1:ncol(table1) ){
a<-table.element(a, table1[nr, nc], 1, FALSE)
}
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable.tab')
(cst<-chisq.test(table1, simulate.p.value=simulate.p.value) )
if (par3 == 'McNemar Chi-Squared') {
(cst <- mcnemar.test(table1))
}
if (par3=='Fisher Exact Test') {
(cst <- fisher.test(table1))
}
if ((par3 != 'McNemar Chi-Squared') & (par3 != 'Fisher Exact Test')) {
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Tabulation of Expected Results',ncol(table1)+1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,paste(V1,' x ', V2),ncol(table1)+1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, ' ', 1,TRUE)
for(nc in 1:ncol(table1)){
a<-table.element(a, colnames(table1)[nc], 1, TRUE)
}
a<-table.row.end(a)
for(nr in 1:nrow(table1) ){
a<-table.element(a, rownames(table1)[nr], 1, TRUE%2