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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 19:44:12 +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/t1480532103y1u2che046x4qag.htm/, Retrieved Sun, 19 May 2024 02:21:01 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=297478, Retrieved Sun, 19 May 2024 02:21:01 +0000

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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 alpha ] [2016-11-30 18:44:12] [2d1dd91c3b5ba64567b1d6b2c9fe9017] [Current]

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Dataseries X:

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4	3	3	3	13
5	4	4	3	16
4	5	5	3	17
NA	4	4	3	NA
NA	4	4	4	NA
5	3	5	3	16
5	3	5	NA	NA
NA	4	5	3	NA
NA	4	5	4	NA
5	4	5	3	17
5	4	5	3	17
4	4	4	3	15
4	4	4	4	16
4	3	4	3	14
4	4	4	4	16
5	4	5	3	17
NA	4	4	4	NA
NA	NA	NA	NA	NA
3	4	4	NA	NA
NA	4	5	4	NA
5	4	4	3	16
NA	4	4	3	NA
5	4	4	3	16
NA	4	4	3	NA
NA	4	5	4	NA
NA	3	5	3	NA
4	4	4	4	16
4	4	4	3	15
4	4	5	3	16
4	4	5	3	16
3	4	3	3	13
4	3	5	3	15
5	4	4	4	17
NA	4	5	2	NA
4	2	4	3	13
5	4	5	3	17
NA	4	4	3	NA
3	3	4	4	14
2	4	4	4	14
5	4	5	4	18
NA	4	4	3	NA
5	4	5	3	17
4	3	3	3	13
4	4	5	3	16
4	4	4	3	15
3	4	5	3	15
NA	4	5	3	NA
4	4	4	3	15
3	4	3	3	13
NA	3	NA	NA	NA
5	4	5	3	17
NA	5	5	3	NA
NA	5	4	4	NA
2	3	3	3	11
3	4	4	3	14
2	4	4	3	13
NA	4	4	3	NA
5	5	4	3	17
4	4	4	4	16
NA	4	4	3	NA
5	4	5	3	17
5	4	4	3	16
4	5	4	3	16
5	4	4	3	16
4	4	4	3	15
4	2	4	2	12
5	4	5	3	17
3	4	4	3	14
2	4	4	4	14
5	4	4	3	16
NA	4	4	3	NA
NA	4	4	3	NA
NA	4	3	3	NA
NA	3	4	3	NA
NA	5	4	4	NA
4	4	4	3	15
5	3	5	3	16
3	4	4	3	14
2	4	4	5	15
5	4	5	3	17
NA	4	5	3	NA
1	3	3	3	10
NA	4	5	3	NA
5	4	4	4	17
NA	4	5	4	NA
5	5	5	5	20
4	4	5	4	17
5	4	5	4	18
NA	4	4	3	NA
5	4	4	4	17
5	4	2	3	14
NA	4	4	3	NA
4	5	5	3	17
NA	4	5	3	NA
4	5	5	3	17
NA	4	4	3	NA
4	4	4	4	16
4	5	4	5	18
5	4	5	4	18
5	4	4	3	16
NA	4	NA	NA	NA
NA	4	5	4	NA
4	4	4	3	15
2	4	4	3	13
NA	4	4	3	NA
NA	4	5	4	NA
NA	4	4	4	NA
NA	4	5	3	NA
NA	4	4	3	NA
4	4	4	4	16
NA	4	4	4	NA
NA	4	3	3	NA
NA	4	4	3	NA
3	3	3	3	12
5	4	5	NA	NA
4	4	4	4	16
5	4	4	3	16
NA	4	5	4	NA
5	4	4	3	16
3	4	4	3	14
4	4	4	3	15
3	4	4	3	14
NA	4	4	4	NA
4	4	4	3	15
NA	4	5	4	NA
4	4	4	3	15
5	4	4	3	16
NA	4	5	3	NA
NA	4	4	3	NA
NA	4	4	3	NA
2	3	3	3	11
4	4	4	NA	NA
4	5	4	5	18
NA	3	4	3	NA
2	3	3	3	11
NA	4	4	NA	NA
4	4	5	5	18
NA	NA	3	NA	NA
4	4	4	3	15
5	5	5	4	19
4	5	5	3	17
NA	3	4	3	NA
3	4	4	3	14
4	4	4	NA	NA
3	4	3	3	13
4	5	5	3	17
2	4	4	4	14
5	5	5	4	19
4	3	4	3	14
NA	4	4	4	NA
NA	3	3	3	NA
4	4	4	4	16
5	4	4	3	16
4	4	4	3	15
2	4	3	3	12
NA	4	4	3	NA
5	4	5	3	17
NA	4	3	3	NA
NA	4	4	3	NA
5	4	5	4	18
4	4	4	3	15
5	5	5	3	18
3	4	4	4	15
NA	4	4	3	NA
4	NA	4	4	NA
NA	3	4	3	NA
4	4	4	4	16
NA	4	3	3	NA
3	4	4	5	16

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=297478&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=297478&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297478&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	0.7542	0.7782	1	0.4124
TVDC1 excluded	0.6788	0.7601	0.8993	0.442
TVDC2 excluded	0.731	0.7535	0.9483	0.4332
TVDC3 excluded	0.6975	0.7312	1	0.4048
TVDC4 excluded	0.7744	0.8294	1	0.5486
TVDCSUM excluded	0.5272	0.549	0.5394	0.2333

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7542 & 0.7782 & 1 & 0.4124 \tabularnewline
TVDC1 excluded & 0.6788 & 0.7601 & 0.8993 & 0.442 \tabularnewline
TVDC2 excluded & 0.731 & 0.7535 & 0.9483 & 0.4332 \tabularnewline
TVDC3 excluded & 0.6975 & 0.7312 & 1 & 0.4048 \tabularnewline
TVDC4 excluded & 0.7744 & 0.8294 & 1 & 0.5486 \tabularnewline
TVDCSUM
 excluded & 0.5272 & 0.549 & 0.5394 & 0.2333 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=297478&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]0.7542[/C][C]0.7782[/C][C]1[/C][C]0.4124[/C][/ROW]
[ROW][C]TVDC1 excluded[/C][C]0.6788[/C][C]0.7601[/C][C]0.8993[/C][C]0.442[/C][/ROW]
[ROW][C]TVDC2 excluded[/C][C]0.731[/C][C]0.7535[/C][C]0.9483[/C][C]0.4332[/C][/ROW]
[ROW][C]TVDC3 excluded[/C][C]0.6975[/C][C]0.7312[/C][C]1[/C][C]0.4048[/C][/ROW]
[ROW][C]TVDC4 excluded[/C][C]0.7744[/C][C]0.8294[/C][C]1[/C][C]0.5486[/C][/ROW]
[ROW][C]TVDCSUM
 excluded[/C][C]0.5272[/C][C]0.549[/C][C]0.5394[/C][C]0.2333[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=297478&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297478&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	0.7542	0.7782	1	0.4124
TVDC1 excluded	0.6788	0.7601	0.8993	0.442
TVDC2 excluded	0.731	0.7535	0.9483	0.4332
TVDC3 excluded	0.6975	0.7312	1	0.4048
TVDC4 excluded	0.7744	0.8294	1	0.5486
TVDCSUM excluded	0.5272	0.549	0.5394	0.2333

Parameters (Session):

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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Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code