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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationWed, 14 Dec 2016 12:52:10 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2016/Dec/14/t1481716362sh2r9fmoce7c5q0.htm/, Retrieved Fri, 03 May 2024 18:38:40 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=299325, Retrieved Fri, 03 May 2024 18:38:40 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact75

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [Cronbach Alpha TVDC] [2016-12-14 11:52:10] [0fbc99f8be9cad246c7cf6558103ab95] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
4	3	3	3	13
5	4	4	3	16
4	5	5	3	17
5	3	5	3	16
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
5	4	4	3	16
5	4	4	3	16
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
4	2	4	3	13
5	4	5	3	17
3	3	4	4	14
2	4	4	4	14
5	4	5	4	18
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
4	4	4	3	15
3	4	3	3	13
5	4	5	3	17
2	3	3	3	11
3	4	4	3	14
2	4	4	3	13
5	5	4	3	17
4	4	4	4	16
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
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
1	3	3	3	10
5	4	4	4	17
5	5	5	5	20
4	4	5	4	17
5	4	5	4	18
5	4	4	4	17
5	4	2	3	14
4	5	5	3	17
4	5	5	3	17
4	4	4	4	16
4	5	4	5	18
5	4	5	4	18
5	4	4	3	16
4	4	4	3	15
2	4	4	3	13
4	4	4	4	16
3	3	3	3	12
4	4	4	4	16
5	4	4	3	16
5	4	4	3	16
3	4	4	3	14
4	4	4	3	15
3	4	4	3	14
4	4	4	3	15
4	4	4	3	15
5	4	4	3	16
2	3	3	3	11
4	5	4	5	18
2	3	3	3	11
4	4	5	5	18
4	4	4	3	15
5	5	5	4	19
4	5	5	3	17
3	4	4	3	14
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
4	4	4	4	16
5	4	4	3	16
4	4	4	3	15
2	4	3	3	12
5	4	5	3	17
5	4	5	4	18
4	4	4	3	15
5	5	5	3	18
3	4	4	4	15
4	4	4	4	16
3	4	4	5	16

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R ServerBig 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=299325&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=299325&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299325&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 Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R ServerBig 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
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.7510.772410.4044
TVDC1 excluded0.67750.75350.80530.4331
TVDC2 excluded0.72470.74050.90770.4164
TVDC3 excluded0.69290.71730.88770.3881
TVDC4 excluded0.77290.82580.90090.5423
TVDCSUM excluded0.53770.56070.54710.2419

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.751 & 0.7724 & 1 & 0.4044 \tabularnewline
TVDC1 excluded & 0.6775 & 0.7535 & 0.8053 & 0.4331 \tabularnewline
TVDC2 excluded & 0.7247 & 0.7405 & 0.9077 & 0.4164 \tabularnewline
TVDC3 excluded & 0.6929 & 0.7173 & 0.8877 & 0.3881 \tabularnewline
TVDC4 excluded & 0.7729 & 0.8258 & 0.9009 & 0.5423 \tabularnewline
TVDCSUM
 excluded & 0.5377 & 0.5607 & 0.5471 & 0.2419 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=299325&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]0.751[/C][C]0.7724[/C][C]1[/C][C]0.4044[/C][/ROW]
[ROW][C]TVDC1 excluded[/C][C]0.6775[/C][C]0.7535[/C][C]0.8053[/C][C]0.4331[/C][/ROW]
[ROW][C]TVDC2 excluded[/C][C]0.7247[/C][C]0.7405[/C][C]0.9077[/C][C]0.4164[/C][/ROW]
[ROW][C]TVDC3 excluded[/C][C]0.6929[/C][C]0.7173[/C][C]0.8877[/C][C]0.3881[/C][/ROW]
[ROW][C]TVDC4 excluded[/C][C]0.7729[/C][C]0.8258[/C][C]0.9009[/C][C]0.5423[/C][/ROW]
[ROW][C]TVDCSUM
 excluded[/C][C]0.5377[/C][C]0.5607[/C][C]0.5471[/C][C]0.2419[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=299325&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=299325&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:

Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.7510.772410.4044
TVDC1 excluded0.67750.75350.80530.4331
TVDC2 excluded0.72470.74050.90770.4164
TVDC3 excluded0.69290.71730.88770.3881
TVDC4 excluded0.77290.82580.90090.5423
TVDCSUM excluded0.53770.56070.54710.2419


Figures (Output of Computation)

Input Parameters & R Code

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')