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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 computationTue, 28 Nov 2017 19:38:26 +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/2017/Nov/28/t15118943413qgk327vhdgchgh.htm/, Retrieved Fri, 17 May 2024 08:55:27 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=308265, Retrieved Fri, 17 May 2024 08:55:27 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywordsIntention to use (ITU1 - ITU2)
Estimated Impact151

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [CronbachAlphaITU] [2017-11-28 18:38:26] [e32c8f3a6c40fa6b5d041988204898ea] [Current]
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Dataset

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

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=308265&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=308265&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308265&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 itmes0.83740.83740.72030.7203
ITU1 excluded0.72030.72030.51890.7203
ITU2 excluded0.51890.7203NANA

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.8374 & 0.8374 & 0.7203 & 0.7203 \tabularnewline
ITU1 excluded & 0.7203 & 0.7203 & 0.5189 & 0.7203 \tabularnewline
ITU2 excluded & 0.5189 & 0.7203 & NA & NA \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=308265&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]0.8374[/C][C]0.8374[/C][C]0.7203[/C][C]0.7203[/C][/ROW]
[ROW][C]ITU1 excluded[/C][C]0.7203[/C][C]0.7203[/C][C]0.5189[/C][C]0.7203[/C][/ROW]
[ROW][C]ITU2 excluded[/C][C]0.5189[/C][C]0.7203[/C][C]NA[/C][C]NA[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=308265&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=308265&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 itmes0.83740.83740.72030.7203
ITU1 excluded0.72030.72030.51890.7203
ITU2 excluded0.51890.7203NANA


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = grey ; par2 = no ;
Parameters (R input):
par1 = grey ;
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')