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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 computationFri, 18 Nov 2016 21:33:52 +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/Nov/18/t1479501287r2aopd3gw3ebs3i.htm/, Retrieved Thu, 02 May 2024 21:45:09 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=296836, Retrieved Thu, 02 May 2024 21:45:09 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact54

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 Privacy ] [2016-11-18 20:33:52] [f0fcaf0884a2ab8e55345d70fdb8db2d] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5	5	4
3	3	2
5	5	3
5	4	2
5	4	2
5	5	3
5	3	3
5	5	2
5	5	2
5	5	4
4	5	2
2	4	2
5	4	3
4	5	2
5	5	3
4	5	2
5	4	2
5	5	NA
5	5	3
4	5	2
4	5	2
3	4	3
5	5	1
4	4	2
5	5	3
4	4	2
5	5	2
5	4	3
5	5	5
5	5	2
5	5	5
5	5	2
5	5	2
5	4	4
5	4	1
4	4	2
4	4	2
5	5	3
5	5	2
5	5	3
5	5	2
5	5	3
5	5	4
5	5	4
5	5	3
5	5	2
5	4	2
NA	NA	1
4	5	4
5	5	4
5	5	3
4	4	2
5	5	2
3	4	2
4	3	2
3	3	3
5	4	2
5	5	2
5	5	3
5	4	3
5	5	2
5	5	2
5	5	4
5	5	4
4	4	3
5	5	4
4	4	4
5	5	4
2	2	4
4	3	5
5	5	3
5	5	4
4	3	4
5	5	2
2	3	2
5	4	3
3	3	4
4	5	2
4	4	5
5	5	1
5	5	3
4	4	3
4	4	2
5	5	2
4	5	1
4	4	2
5	5	1
5	5	2
5	5	2
4	4	2
4	4	2
4	4	3
3	3	2
4	4	1
5	5	1
5	5	3
4	4	2
5	5	3
2	2	1
5	5	2
5	5	2
4	4	3
3	5	2
5	5	2
4	4	3
5	5	1
5	5	4
5	5	3
5	5	2
5	5	3
4	5	3
5	4	3
5	5	4
5	3	3
4	4	2
5	5	3
5	5	2
2	1	1
5	5	1
5	5	2
5	4	4
5	4	3
5	5	2
5	5	2
5	5	3
5	5	3
4	5	3
3	3	2
5	4	2
5	5	2
5	5	3
5	5	4
4	4	2
4	5	2
4	4	1
5	4	3
4	4	3
NA	NA	4
4	4	3
5	5	1
2	2	1
5	5	2
4	4	1
5	5	5
5	5	3
4	4	2
5	4	2
4	2	4
5	5	2
5	5	4
5	5	4
4	4	3
5	5	4
5	5	3
5	4	4
5	5	3
5	5	4
2	2	2
5	5	4
3	3	1
5	5	4
5	4	3
5	5	2
4	4	2
5	5	2
5	5	4
5	5	3
5	4	3
5	2	2

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center

\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
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=296836&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] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=296836&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=296836&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 time1 seconds
R ServerBig Analytics Cloud Computing Center






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.57980.61170.61280.3443
EP1 excluded0.20640.20940.1170.117
EP2 excluded0.35430.36230.22120.2212
EP3 excluded0.81930.820.69490.6949

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5798 & 0.6117 & 0.6128 & 0.3443 \tabularnewline
EP1 excluded & 0.2064 & 0.2094 & 0.117 & 0.117 \tabularnewline
EP2 excluded & 0.3543 & 0.3623 & 0.2212 & 0.2212 \tabularnewline
EP3 excluded & 0.8193 & 0.82 & 0.6949 & 0.6949 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=296836&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]0.5798[/C][C]0.6117[/C][C]0.6128[/C][C]0.3443[/C][/ROW]
[ROW][C]EP1 excluded[/C][C]0.2064[/C][C]0.2094[/C][C]0.117[/C][C]0.117[/C][/ROW]
[ROW][C]EP2 excluded[/C][C]0.3543[/C][C]0.3623[/C][C]0.2212[/C][C]0.2212[/C][/ROW]
[ROW][C]EP3 excluded[/C][C]0.8193[/C][C]0.82[/C][C]0.6949[/C][C]0.6949[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=296836&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=296836&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 itmes0.57980.61170.61280.3443
EP1 excluded0.20640.20940.1170.117
EP2 excluded0.35430.36230.22120.2212
EP3 excluded0.81930.820.69490.6949


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
par1 = TRUE ;
R code (references can be found in the software module):
par1 <- 'TRUE'
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')