Repository of Reproducible Computations

Free Statistics

of Irreproducible Research!

Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_chi_squared_tests.wasp

Title produced by software

Chi-Squared Test, McNemar Test, and Fisher Exact Test

Date of computation

Thu, 18 Dec 2014 10:01:47 +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/2014/Dec/18/t1418896927el70qoq9dtrdnys.htm/, Retrieved Sun, 19 May 2024 17:12:09 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270778, Retrieved Sun, 19 May 2024 17:12:09 +0000

QR Codes:

Paste this QR Code to cite your computation.

Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

120

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] [] [2014-12-18 10:01:47] [648c1440f05bd644df5068f7a7b787c0] [Current]

Feedback Forum

Post a new message

Dataseries X:

Download CSV

Histogram

Boxplots

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	'Gwilym Jenkins' @ jenkins.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 & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270778&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]'Gwilym Jenkins' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270778&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270778&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	1 seconds
R Server	'Gwilym Jenkins' @ jenkins.wessa.net

Tabulation of Results
Geslacht x CONSOFTTOT
	3	4	5	6	7	8	9	10	11	12	13	14	15
0	1	1	2	5	7	12	14	19	14	36	4	3	2
1	1	0	0	4	5	10	11	18	27	49	15	8	11

\begin{tabular}{lllllllll}
\hline
Tabulation of Results \tabularnewline
Geslacht  x  CONSOFTTOT \tabularnewline
  & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12 & 13 & 14 & 15 \tabularnewline
0 & 1 & 1 & 2 & 5 & 7 & 12 & 14 & 19 & 14 & 36 & 4 & 3 & 2 \tabularnewline
1 & 1 & 0 & 0 & 4 & 5 & 10 & 11 & 18 & 27 & 49 & 15 & 8 & 11 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270778&T=1

[TABLE]
[ROW][C]Tabulation of Results[/C][/ROW]
[ROW][C]Geslacht  x  CONSOFTTOT[/C][/ROW]
[ROW][C] [/C][C]3[/C][C]4[/C][C]5[/C][C]6[/C][C]7[/C][C]8[/C][C]9[/C][C]10[/C][C]11[/C][C]12[/C][C]13[/C][C]14[/C][C]15[/C][/ROW]
[C]0[/C][C]1[/C][C]1[/C][C]2[/C][C]5[/C][C]7[/C][C]12[/C][C]14[/C][C]19[/C][C]14[/C][C]36[/C][C]4[/C][C]3[/C][C]2[/C][/ROW]
[C]1[/C][C]1[/C][C]0[/C][C]0[/C][C]4[/C][C]5[/C][C]10[/C][C]11[/C][C]18[/C][C]27[/C][C]49[/C][C]15[/C][C]8[/C][C]11[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270778&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270778&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
Geslacht x CONSOFTTOT
	3	4	5	6	7	8	9	10	11	12	13	14	15
0	1	1	2	5	7	12	14	19	14	36	4	3	2
1	1	0	0	4	5	10	11	18	27	49	15	8	11

Tabulation of Expected Results
Geslacht x CONSOFTTOT
	3	4	5	6	7	8	9	10	11	12	13	14	15
0	0.86	0.43	0.86	3.87	5.16	9.46	10.75	15.91	17.63	36.56	8.17	4.73	5.59
1	1.14	0.57	1.14	5.13	6.84	12.54	14.25	21.09	23.37	48.44	10.83	6.27	7.41

\begin{tabular}{lllllllll}
\hline
Tabulation of Expected Results \tabularnewline
Geslacht  x  CONSOFTTOT \tabularnewline
  & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12 & 13 & 14 & 15 \tabularnewline
0 & 0.86 & 0.43 & 0.86 & 3.87 & 5.16 & 9.46 & 10.75 & 15.91 & 17.63 & 36.56 & 8.17 & 4.73 & 5.59 \tabularnewline
1 & 1.14 & 0.57 & 1.14 & 5.13 & 6.84 & 12.54 & 14.25 & 21.09 & 23.37 & 48.44 & 10.83 & 6.27 & 7.41 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270778&T=2

[TABLE]
[ROW][C]Tabulation of Expected Results[/C][/ROW]
[ROW][C]Geslacht  x  CONSOFTTOT[/C][/ROW]
[ROW][C] [/C][C]3[/C][C]4[/C][C]5[/C][C]6[/C][C]7[/C][C]8[/C][C]9[/C][C]10[/C][C]11[/C][C]12[/C][C]13[/C][C]14[/C][C]15[/C][/ROW]
[C]0[/C][C]0.86[/C][C]0.43[/C][C]0.86[/C][C]3.87[/C][C]5.16[/C][C]9.46[/C][C]10.75[/C][C]15.91[/C][C]17.63[/C][C]36.56[/C][C]8.17[/C][C]4.73[/C][C]5.59[/C][/ROW]
[C]1[/C][C]1.14[/C][C]0.57[/C][C]1.14[/C][C]5.13[/C][C]6.84[/C][C]12.54[/C][C]14.25[/C][C]21.09[/C][C]23.37[/C][C]48.44[/C][C]10.83[/C][C]6.27[/C][C]7.41[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270778&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270778&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
Geslacht x CONSOFTTOT
	3	4	5	6	7	8	9	10	11	12	13	14	15
0	0.86	0.43	0.86	3.87	5.16	9.46	10.75	15.91	17.63	36.56	8.17	4.73	5.59
1	1.14	0.57	1.14	5.13	6.84	12.54	14.25	21.09	23.37	48.44	10.83	6.27	7.41

Statistical Results
Pearson's Chi-squared test
Pearson Chi Square Statistic	19.93
Degrees of Freedom	12
P value	0.07

\begin{tabular}{lllllllll}
\hline
Statistical Results \tabularnewline
Pearson's Chi-squared test \tabularnewline
Pearson Chi Square Statistic & 19.93 \tabularnewline
Degrees of Freedom & 12 \tabularnewline
P value & 0.07 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270778&T=3

[TABLE]
[ROW][C]Statistical Results[/C][/ROW]
[ROW][C]Pearson's Chi-squared test[/C][/ROW]
[ROW][C]Pearson Chi Square Statistic[/C][C]19.93[/C][/ROW]
[ROW][C]Degrees of Freedom[/C][C]12[/C][/ROW]
[ROW][C]P value[/C][C]0.07[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270778&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270778&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
Pearson Chi Square Statistic	19.93
Degrees of Freedom	12
P value	0.07

Figure 1

PNG link

Postscript link

PDF link

Parameters (Session):

par1 = 1 ; par2 = 2 ; par3 = Pearson Chi-Squared ;

Parameters (R input):

par1 = 1 ; par2 = 2 ; par3 = Pearson Chi-Squared ;

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)
for(nc in 1:ncol(table1) ){
a<-table.element(a, round(cst$expected[nr, nc], digits=2), 1, FALSE)
}
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable1.tab')
}
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Statistical Results',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, cst$method, 2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
if (par3=='Pearson Chi-Squared') a<-table.element(a, 'Pearson Chi Square Statistic', 1, TRUE)
if (par3=='Exact Pearson Chi-Squared by Simulation') a<-table.element(a, 'Exact Pearson Chi Square Statistic', 1, TRUE)
if (par3=='McNemar Chi-Squared') a<-table.element(a, 'McNemar Chi Square Statistic', 1, TRUE)
if (par3=='Fisher Exact Test') a<-table.element(a, 'Odds Ratio', 1, TRUE)
if (par3=='Fisher Exact Test') {
if ((ncol(table1) == 2) & (nrow(table1) == 2)) {
a<-table.element(a, round(cst$estimate, digits=2), 1,FALSE)
} else {
a<-table.element(a, '--', 1,FALSE)
}
} else {
a<-table.element(a, round(cst$statistic, digits=2), 1,FALSE)
}
a<-table.row.end(a)
if(!simulate.p.value){
if(par3!='Fisher Exact Test') {
a<-table.row.start(a)
a<-table.element(a, 'Degrees of Freedom', 1, TRUE)
a<-table.element(a, cst$parameter, 1,FALSE)
a<-table.row.end(a)
}
}
a<-table.row.start(a)
a<-table.element(a, 'P value', 1, TRUE)
a<-table.element(a, round(cst$p.value, digits=2), 1,FALSE)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable2.tab')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code