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Author

*The author of this computation has been verified*

R Software Module

rwasp_cronbach.wasp

Title produced by software

Cronbach Alpha

Date of computation

Thu, 15 Dec 2016 20:54:22 +0100

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/2016/Dec/15/t14818317829lfo08sv8ixdk8k.htm/, Retrieved Fri, 01 Nov 2024 03:26:30 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299986, Retrieved Fri, 01 Nov 2024 03:26:30 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

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

-       [Cronbach Alpha] [Cronbach alpha(TVDC)] [2016-12-15 19:54:22] [b7216e4bc5ee29192acbe9c506cee18c] [Current]

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Dataseries X:

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4	3	3	3
5	4	4	3
4	5	5	3
NA	4	4	3
NA	4	4	4
5	3	5	3
5	3	5	NA
NA	4	5	3
NA	4	5	4
5	4	5	3
5	4	5	3
4	4	4	3
4	4	4	4
4	3	4	3
4	4	4	4
5	4	5	3
NA	4	4	4
NA	NA	NA	NA
3	4	4	NA
NA	4	5	4
5	4	4	3
NA	4	4	3
5	4	4	3
NA	4	4	3
NA	4	5	4
NA	3	5	3
4	4	4	4
4	4	4	3
4	4	5	3
4	4	5	3
3	4	3	3
4	3	5	3
5	4	4	4
NA	4	5	2
4	2	4	3
5	4	5	3
NA	4	4	3
3	3	4	4
2	4	4	4
5	4	5	4
NA	4	4	3
5	4	5	3
4	3	3	3
4	4	5	3
4	4	4	3
3	4	5	3
NA	4	5	3
4	4	4	3
3	4	3	3
NA	3	NA	NA
5	4	5	3
NA	5	5	3
NA	5	4	4
2	3	3	3
3	4	4	3
2	4	4	3
NA	4	4	3
5	5	4	3
4	4	4	4
NA	4	4	3
5	4	5	3
5	4	4	3
4	5	4	3
5	4	4	3
4	4	4	3
4	2	4	2
5	4	5	3
3	4	4	3
2	4	4	4
5	4	4	3
NA	4	4	3
NA	4	4	3
NA	4	3	3
NA	3	4	3
NA	5	4	4
4	4	4	3
5	3	5	3
3	4	4	3
2	4	4	5
5	4	5	3
NA	4	5	3
1	3	3	3
NA	4	5	3
5	4	4	4
NA	4	5	4
5	5	5	5
4	4	5	4
5	4	5	4
NA	4	4	3
5	4	4	4
5	4	2	3
NA	4	4	3
4	5	5	3
NA	4	5	3
4	5	5	3
NA	4	4	3
4	4	4	4
4	5	4	5
5	4	5	4
5	4	4	3
NA	4	NA	NA
NA	4	5	4
4	4	4	3
2	4	4	3
NA	4	4	3
NA	4	5	4
NA	4	4	4
NA	4	5	3
NA	4	4	3
4	4	4	4
NA	4	4	4
NA	4	3	3
NA	4	4	3
3	3	3	3
5	4	5	NA
4	4	4	4
5	4	4	3
NA	4	5	4
5	4	4	3
3	4	4	3
4	4	4	3
3	4	4	3
NA	4	4	4
4	4	4	3
NA	4	5	4
4	4	4	3
5	4	4	3
NA	4	5	3
NA	4	4	3
NA	4	4	3
2	3	3	3
4	4	4	NA
4	5	4	5
NA	3	4	3
2	3	3	3
NA	4	4	NA
4	4	5	5
NA	NA	3	NA
4	4	4	3
5	5	5	4
4	5	5	3
NA	3	4	3
3	4	4	3
4	4	4	NA
3	4	3	3
4	5	5	3
2	4	4	4
5	5	5	4
4	3	4	3
NA	4	4	4
NA	3	3	3
4	4	4	4
5	4	4	3
4	4	4	3
2	4	3	3
NA	4	4	3
5	4	5	3
NA	4	3	3
NA	4	4	3
5	4	5	4
4	4	4	3
5	5	5	3
3	4	4	4
NA	4	4	3
4	NA	4	4
NA	3	4	3
4	4	4	4
NA	4	3	3
3	4	4	5

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	Big Analytics Cloud Computing Center
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
R Framework error message & The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'. \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299986&T=0

[TABLE]
[ROW]

Summary of computational transaction[/C][/ROW] [ROW]

Raw Input[/C]

view raw input (R code) [/C][/ROW] [ROW]

Raw Output[/C]

view raw output of R engine [/C][/ROW] [ROW]

Computing time[/C]

1 seconds[/C][/ROW] [ROW]

R Server[/C]

Big Analytics Cloud Computing Center[/C][/ROW] [ROW]

R Framework error message[/C][C]

The field 'Names of X columns' contains a hard return which cannot be interpreted.
Please, resubmit your request without hard returns in the 'Names of X columns'.

[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=299986&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299986&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	Big Analytics Cloud Computing Center
R Framework error message	The field 'Names of X columns' contains a hard return which cannot be interpreted. Please, resubmit your request without hard returns in the 'Names of X columns'.

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.5272	0.549	0.5394	0.2333
TVDC1 excluded	0.465	0.4751	0.3854	0.2318
TVDC2 excluded	0.4327	0.4285	0.428	0.2
TVDC3 excluded	0.2849	0.3637	0.3221	0.16
TVDC4 excluded	0.5914	0.6086	0.5334	0.3414

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5272 & 0.549 & 0.5394 & 0.2333 \tabularnewline
TVDC1 excluded & 0.465 & 0.4751 & 0.3854 & 0.2318 \tabularnewline
TVDC2 excluded & 0.4327 & 0.4285 & 0.428 & 0.2 \tabularnewline
TVDC3 excluded & 0.2849 & 0.3637 & 0.3221 & 0.16 \tabularnewline
TVDC4
 excluded & 0.5914 & 0.6086 & 0.5334 & 0.3414 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299986&T=1

[TABLE]
[ROW][C]Cronbach Alpha and Related Statistics[/C][/ROW]
[ROW][C]Items[/C][C]Cronbach Alpha[/C][C]Std. Alpha[/C][C]G6(smc)[/C][C]Average R[/C][/ROW]
[ROW][C]All itmes[/C][C]0.5272[/C][C]0.549[/C][C]0.5394[/C][C]0.2333[/C][/ROW]
[ROW][C]TVDC1 excluded[/C][C]0.465[/C][C]0.4751[/C][C]0.3854[/C][C]0.2318[/C][/ROW]
[ROW][C]TVDC2 excluded[/C][C]0.4327[/C][C]0.4285[/C][C]0.428[/C][C]0.2[/C][/ROW]
[ROW][C]TVDC3 excluded[/C][C]0.2849[/C][C]0.3637[/C][C]0.3221[/C][C]0.16[/C][/ROW]
[ROW][C]TVDC4
 excluded[/C][C]0.5914[/C][C]0.6086[/C][C]0.5334[/C][C]0.3414[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299986&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299986&T=1

As an alternative you can also use a QR Code:

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

Cronbach Alpha and Related Statistics
Items	Cronbach Alpha	Std. Alpha	G6(smc)	Average R
All itmes	0.5272	0.549	0.5394	0.2333
TVDC1 excluded	0.465	0.4751	0.3854	0.2318
TVDC2 excluded	0.4327	0.4285	0.428	0.2
TVDC3 excluded	0.2849	0.3637	0.3221	0.16
TVDC4 excluded	0.5914	0.6086	0.5334	0.3414

Parameters (Session):

par1 = TRUE ;

Parameters (R input):

par1 = TRUE ;

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

library(psych)
par1b <- T
if(par1=='FALSE') par1b <- F
z <- t(y)
(r <- alpha(z,check.keys=par1b))
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Cronbach Alpha and Related Statistics',5,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Items',1,TRUE)
a<-table.element(a,'Cronbach Alpha',1,TRUE)
a<-table.element(a,'Std. Alpha',1,TRUE)
a<-table.element(a,'G6(smc)',1,TRUE)
a<-table.element(a,'Average R',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'All itmes',header=TRUE)
a<-table.element(a,round(r$total['raw_alpha'],4))
a<-table.element(a,round(r$total['std.alpha'],4))
a<-table.element(a,round(r$total['G6(smc)'],4))
a<-table.element(a,round(r$total['average_r'],4))
a<-table.row.end(a)
n = length(z[1,])
for (i in 1:n) {
a<-table.row.start(a)
a<-table.element(a,paste(colnames(z)[i],' excluded',sep=''),header=TRUE)
a<-table.element(a,round(r$alpha.drop[i,'raw_alpha'],4))
a<-table.element(a,round(r$alpha.drop[i,'std.alpha'],4))
a<-table.element(a,round(r$alpha.drop[i,'G6(smc)'],4))
a<-table.element(a,round(r$alpha.drop[i,'average_r'],4))
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable.tab')

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