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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

Wed, 30 Nov 2016 20:37:56 +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/Nov/30/t14805346941jymdcl6gs0adml.htm/, Retrieved Sun, 19 May 2024 03:12:07 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=297484, Retrieved Sun, 19 May 2024 03:12:07 +0000

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Original text written by user:

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No (this computation is public)

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Estimated Impact

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

-       [Cronbach Alpha] [cronbach gefilter...] [2016-11-30 19:37:56] [2d1dd91c3b5ba64567b1d6b2c9fe9017] [Current]

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Dataseries X:

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3	3	3	9
4	4	3	11
5	5	3	13
4	4	3	11
4	4	4	12
3	5	3	11
3	5	NA	NA
4	5	3	12
4	5	4	13
4	5	3	12
4	5	3	12
4	4	3	11
4	4	4	12
3	4	3	10
4	4	4	12
4	5	3	12
4	4	4	12
NA	NA	NA	NA
4	4	NA	NA
4	5	4	13
4	4	3	11
4	4	3	11
4	4	3	11
4	4	3	11
4	5	4	13
3	5	3	11
4	4	4	12
4	4	3	11
4	5	3	12
4	5	3	12
4	3	3	10
3	5	3	11
4	4	4	12
4	5	2	11
2	4	3	9
4	5	3	12
4	4	3	11
3	4	4	11
4	4	4	12
4	5	4	13
4	4	3	11
4	5	3	12
3	3	3	9
4	5	3	12
4	4	3	11
4	5	3	12
4	5	3	12
4	4	3	11
4	3	3	10
3	NA	NA	NA
4	5	3	12
5	5	3	13
5	4	4	13
3	3	3	9
4	4	3	11
4	4	3	11
4	4	3	11
5	4	3	12
4	4	4	12
4	4	3	11
4	5	3	12
4	4	3	11
5	4	3	12
4	4	3	11
4	4	3	11
2	4	2	8
4	5	3	12
4	4	3	11
4	4	4	12
4	4	3	11
4	4	3	11
4	4	3	11
4	3	3	10
3	4	3	10
5	4	4	13
4	4	3	11
3	5	3	11
4	4	3	11
4	4	5	13
4	5	3	12
4	5	3	12
3	3	3	9
4	5	3	12
4	4	4	12
4	5	4	13
5	5	5	15
4	5	4	13
4	5	4	13
4	4	3	11
4	4	4	12
4	2	3	9
4	4	3	11
5	5	3	13
4	5	3	12
5	5	3	13
4	4	3	11
4	4	4	12
5	4	5	14
4	5	4	13
4	4	3	11
4	NA	NA	NA
4	5	4	13
4	4	3	11
4	4	3	11
4	4	3	11
4	5	4	13
4	4	4	12
4	5	3	12
4	4	3	11
4	4	4	12
4	4	4	12
4	3	3	10
4	4	3	11
3	3	3	9
4	5	NA	NA
4	4	4	12
4	4	3	11
4	5	4	13
4	4	3	11
4	4	3	11
4	4	3	11
4	4	3	11
4	4	4	12
4	4	3	11
4	5	4	13
4	4	3	11
4	4	3	11
4	5	3	12
4	4	3	11
4	4	3	11
3	3	3	9
4	4	NA	NA
5	4	5	14
3	4	3	10
3	3	3	9
4	4	NA	NA
4	5	5	14
NA	3	NA	NA
4	4	3	11
5	5	4	14
5	5	3	13
3	4	3	10
4	4	3	11
4	4	NA	NA
4	3	3	10
5	5	3	13
4	4	4	12
5	5	4	14
3	4	3	10
4	4	4	12
3	3	3	9
4	4	4	12
4	4	3	11
4	4	3	11
4	3	3	10
4	4	3	11
4	5	3	12
4	3	3	10
4	4	3	11
4	5	4	13
4	4	3	11
5	5	3	13
4	4	4	12
4	4	3	11
NA	4	4	NA
3	4	3	10
4	4	4	12
4	3	3	10
4	4	5	13

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 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 time0 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=297484&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]

0 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=297484&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297484&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	0 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	0.7714	0.7781	1	0.4672
TVDC2 excluded	0.7373	0.7551	0.8769	0.5068
TVDC3 excluded	0.7376	0.7909	0.8203	0.5577
TVDC4 excluded	0.7605	0.8007	0.8635	0.5724
TVDCSUM excluded	0.465	0.4751	0.3854	0.2318

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7714 & 0.7781 & 1 & 0.4672 \tabularnewline
TVDC2 excluded & 0.7373 & 0.7551 & 0.8769 & 0.5068 \tabularnewline
TVDC3 excluded & 0.7376 & 0.7909 & 0.8203 & 0.5577 \tabularnewline
TVDC4 excluded & 0.7605 & 0.8007 & 0.8635 & 0.5724 \tabularnewline
TVDCSUM
 excluded & 0.465 & 0.4751 & 0.3854 & 0.2318 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=297484&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]0.7714[/C][C]0.7781[/C][C]1[/C][C]0.4672[/C][/ROW]
[ROW][C]TVDC2 excluded[/C][C]0.7373[/C][C]0.7551[/C][C]0.8769[/C][C]0.5068[/C][/ROW]
[ROW][C]TVDC3 excluded[/C][C]0.7376[/C][C]0.7909[/C][C]0.8203[/C][C]0.5577[/C][/ROW]
[ROW][C]TVDC4 excluded[/C][C]0.7605[/C][C]0.8007[/C][C]0.8635[/C][C]0.5724[/C][/ROW]
[ROW][C]TVDCSUM
 excluded[/C][C]0.465[/C][C]0.4751[/C][C]0.3854[/C][C]0.2318[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=297484&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297484&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	0.7714	0.7781	1	0.4672
TVDC2 excluded	0.7373	0.7551	0.8769	0.5068
TVDC3 excluded	0.7376	0.7909	0.8203	0.5577
TVDC4 excluded	0.7605	0.8007	0.8635	0.5724
TVDCSUM excluded	0.465	0.4751	0.3854	0.2318

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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Figures (Output of Computation)

Input Parameters & R Code