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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_chi_squared_tests.wasp
Title produced by softwareChi-Squared and McNemar Tests
Date of computationFri, 12 Nov 2010 13:45:50 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2010/Nov/12/t1289572455bj97874lhxrvthm.htm/, Retrieved Tue, 30 Apr 2024 17:26:48 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=94162, Retrieved Tue, 30 Apr 2024 17:26:48 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact150

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Chi-Squared and McNemar Tests] [Workshop 6, CHI S...] [2010-11-12 13:45:50] [23a9b79f355c69a75648521a893cf584] [Current]
-         [Chi-Squared and McNemar Tests] [Workshop 6 Chi Sq...] [2010-11-13 13:20:27] [a9e130f95bad0a0597234e75c6380c5a]
- R         [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS 6 - taak 1 deel 1] [2011-11-15 13:06:18] [74be16979710d4c4e7c6647856088456]
- R           [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS6 T1 Hap vs Dep] [2012-11-12 13:49:13] [d5c5f9d2d41487720068c665b8e94d36]
-    D    [Chi-Squared and McNemar Tests] [Workshop 6 Chi sq...] [2010-11-13 13:37:50] [a9e130f95bad0a0597234e75c6380c5a]
- R         [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS 6 - taak 1 deel 2] [2011-11-15 13:21:46] [74be16979710d4c4e7c6647856088456]
-             [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS6 T1 cat2] [2012-11-12 14:01:33] [d5c5f9d2d41487720068c665b8e94d36]
-               [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [] [2012-12-21 21:53:46] [13a5ed2ca96ae4a72a1110d56328629c]
-    D    [Chi-Squared and McNemar Tests] [Workshop 6 Chi sq...] [2010-11-13 13:44:32] [a9e130f95bad0a0597234e75c6380c5a]
- R         [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS 6 - taak 1 deel 3] [2011-11-15 13:28:08] [74be16979710d4c4e7c6647856088456]
-  M          [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS6 T1 cat3] [2012-11-12 14:08:44] [d5c5f9d2d41487720068c665b8e94d36]
-    D    [Chi-Squared and McNemar Tests] [Workshop 6 Chi sq...] [2010-11-13 13:56:06] [a9e130f95bad0a0597234e75c6380c5a]
- R         [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS 6 - taak 1 deel 4] [2011-11-15 13:36:08] [74be16979710d4c4e7c6647856088456]
-  M          [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS6 T1 cat4] [2012-11-12 14:15:16] [d5c5f9d2d41487720068c665b8e94d36]
-    D    [Chi-Squared and McNemar Tests] [Workshop 6 Chi sq...] [2010-11-13 14:01:04] [a9e130f95bad0a0597234e75c6380c5a]
- R         [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS 6 - taak 1 deel 5] [2011-11-15 13:44:24] [74be16979710d4c4e7c6647856088456]
-  M          [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS6 T1 cat5] [2012-11-12 14:18:36] [d5c5f9d2d41487720068c665b8e94d36]
-    D    [Chi-Squared and McNemar Tests] [Workshop 6 Chi sq...] [2010-11-13 14:07:57] [a9e130f95bad0a0597234e75c6380c5a]
- R         [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS 6 - taak 1 deel 6] [2011-11-15 13:52:42] [74be16979710d4c4e7c6647856088456]
-             [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS6 T1 cat6] [2012-11-12 14:22:48] [d5c5f9d2d41487720068c665b8e94d36]
- RM D    [Histogram] [Workshop 6, Simpl...] [2010-11-13 14:34:58] [a9e130f95bad0a0597234e75c6380c5a]
- R P       [Histogram] [WS 6 - taak 2 vra...] [2011-11-15 14:37:46] [74be16979710d4c4e7c6647856088456]
- RM D    [Kernel Density Estimation] [Workshop 6 Simple...] [2010-11-13 14:40:41] [a9e130f95bad0a0597234e75c6380c5a]
- R P       [Kernel Density Estimation] [WS 6 - taak 2 vra...] [2011-11-15 14:43:07] [74be16979710d4c4e7c6647856088456]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
'HI'	'HI'
'HI'	'LO'
'LO'	'HI'
'LO'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'LO'
'HI'	'LO'
'HI'	'HI'
'HI'	'LO'
'HI'	'LO'
'LO'	'HI'
'HI'	'HI'
'HI'	'LO'
'HI'	'HI'
'HI'	'HI'
'HI'	'LO'
'HI'	'LO'
'HI'	'HI'
'HI'	'LO'
'LO'	'HI'
'HI'	'HI'
'LO'	'HI'
'HI'	'LO'
'LO'	'LO'
'HI'	'LO'
'HI'	'HI'
'HI'	'HI'
'LO'	'HI'
'HI'	'LO'
'LO'	'HI'
'HI'	'LO'
'HI'	'LO'
'HI'	'HI'
'HI'	'LO'
'LO'	'HI'
'HI'	'HI'
'HI'	'LO'
'LO'	'LO'
'HI'	'LO'
'HI'	'HI'
'HI'	'LO'
'LO'	'HI'
'LO'	'LO'
'LO'	'HI'
'HI'	'LO'
'HI'	'LO'
'HI'	'HI'
'LO'	'LO'
'HI'	'LO'
'HI'	'HI'
'LO'	'HI'
'LO'	'HI'
'LO'	'LO'
'HI'	'HI'
'HI'	'HI'
'HI'	'LO'
'LO'	'LO'
'LO'	'HI'
'LO'	'HI'
'LO'	'HI'
'LO'	'HI'
'HI'	'HI'
'HI'	'HI'
'LO'	'LO'
'LO'	'HI'
'LO'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'LO'
'LO'	'LO'
'LO'	'HI'
'HI'	'HI'
'LO'	'HI'
'HI'	'HI'
'LO'	'LO'
'HI'	'LO'
'HI'	'LO'
'HI'	'LO'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'LO'	'HI'
'LO'	'HI'
'HI'	'HI'
'LO'	'HI'
'HI'	'HI'
'HI'	'HI'
'LO'	'LO'
'HI'	'LO'
'LO'	'HI'
'HI'	'LO'
'HI'	'LO'
'HI'	'LO'
'HI'	'LO'
'LO'	'HI'
'HI'	'HI'
'LO'	'LO'
'HI'	'HI'
'LO'	'HI'
'HI'	'LO'
'HI'	'HI'
'LO'	'HI'
'LO'	'HI'
'HI'	'HI'
'LO'	'HI'
'LO'	'LO'
'HI'	'HI'
'HI'	'HI'
'HI'	'LO'
'HI'	'HI'
'HI'	'HI'
'HI'	'LO'
'HI'	'HI'
'LO'	'HI'
'HI'	'HI'
'HI'	'LO'
'HI'	'LO'
'HI'	'LO'
'LO'	'LO'
'HI'	'LO'
'HI'	'LO'
'HI'	'LO'
'HI'	'HI'
'LO'	'LO'
'LO'	'HI'
'HI'	'LO'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'LO'	'HI'
'HI'	'HI'
'LO'	'HI'
'HI'	'LO'
'LO'	'HI'
'HI'	'LO'
'HI'	'HI'
'HI'	'HI'
'HI'	'HI'
'HI'	'LO'
'HI'	'HI'
'LO'	'HI'
'LO'	'LO'
'LO'	'HI'
'HI'	'HI'
'LO'	'HI'
'HI'	'LO'
'LO'	'HI'
'LO'	'HI'
'LO'	'HI'
'LO'	'HI'
'HI'	'HI'
'HI'	'LO'
'LO'	'LO'
'LO'	'HI'
'LO'	'HI'

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'Gwilym Jenkins' @ 72.249.127.135

\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' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=94162&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' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=94162&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=94162&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'Gwilym Jenkins' @ 72.249.127.135






Tabulation of Results
Happy x Depres
HILO
HI5746
LO4316

\begin{tabular}{lllllllll}
\hline
Tabulation of Results \tabularnewline
Happy  x  Depres \tabularnewline
  & HI & LO \tabularnewline
HI & 57 & 46 \tabularnewline
LO & 43 & 16 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=94162&T=1

[TABLE]
[ROW][C]Tabulation of Results[/C][/ROW]
[ROW][C]Happy  x  Depres[/C][/ROW]
[ROW][C] [/C][C]HI[/C][C]LO[/C][/ROW]
[C]HI[/C][C]57[/C][C]46[/C][/ROW]
[C]LO[/C][C]43[/C][C]16[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=94162&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=94162&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:

Tabulation of Results
Happy x Depres
HILO
HI5746
LO4316






Tabulation of Expected Results
Happy x Depres
HILO
HI63.5839.42
LO36.4222.58

\begin{tabular}{lllllllll}
\hline
Tabulation of Expected Results \tabularnewline
Happy  x  Depres \tabularnewline
  & HI & LO \tabularnewline
HI & 63.58 & 39.42 \tabularnewline
LO & 36.42 & 22.58 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=94162&T=2

[TABLE]
[ROW][C]Tabulation of Expected Results[/C][/ROW]
[ROW][C]Happy  x  Depres[/C][/ROW]
[ROW][C] [/C][C]HI[/C][C]LO[/C][/ROW]
[C]HI[/C][C]63.58[/C][C]39.42[/C][/ROW]
[C]LO[/C][C]36.42[/C][C]22.58[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=94162&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=94162&T=2

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


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

Tabulation of Expected Results
Happy x Depres
HILO
HI63.5839.42
LO36.4222.58






Statistical Results
Pearson's Chi-squared test with Yates' continuity correction
Chi Square Statistic4.17
Degrees of Freedom1
P value0.04

\begin{tabular}{lllllllll}
\hline
Statistical Results \tabularnewline
Pearson's Chi-squared test with Yates' continuity correction \tabularnewline
Chi Square Statistic & 4.17 \tabularnewline
Degrees of Freedom & 1 \tabularnewline
P value & 0.04 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=94162&T=3

[TABLE]
[ROW][C]Statistical Results[/C][/ROW]
[ROW][C]Pearson's Chi-squared test with Yates' continuity correction[/C][/ROW]
[ROW][C]Chi Square Statistic[/C][C]4.17[/C][/ROW]
[ROW][C]Degrees of Freedom[/C][C]1[/C][/ROW]
[ROW][C]P value[/C][C]0.04[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=94162&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=94162&T=3

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


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

Statistical Results
Pearson's Chi-squared test with Yates' continuity correction
Chi Square Statistic4.17
Degrees of Freedom1
P value0.04


Figures (Output of Computation)

Input Parameters & R Code

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 != 'McNemar Chi-Squared') {
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)
a<-table.element(a, 'Chi Square Statistic', 1, TRUE)
a<-table.element(a, round(cst$statistic, digits=2), 1,FALSE)
a<-table.row.end(a)
if(!simulate.p.value){
a<-table.row.start(a)
a<-table.element(a, 'Degrees of Freedom', 1, TRUE)
a<-table.element(a, cst$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')