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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 computationMon, 28 Nov 2016 11:16:00 +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/28/t14803281788kpvejkvtp4ymnl.htm/, Retrieved Sat, 04 May 2024 14:48:46 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=297204, Retrieved Sat, 04 May 2024 14:48:46 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact78

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 al...] [2016-11-28 10:16:00] [30526fd54c9289e19e0c945b6eee09b5] [Current]
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Dataset

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

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

\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
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=297204&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] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=297204&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297204&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






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.45780.48660.40070.2401
EP1 excluded0.24120.24890.14210.1421
EP3 excluded0.4770.520.35130.3513
EP4 excluded0.36270.36990.22690.2269

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.4578 & 0.4866 & 0.4007 & 0.2401 \tabularnewline
EP1 excluded & 0.2412 & 0.2489 & 0.1421 & 0.1421 \tabularnewline
EP3 excluded & 0.477 & 0.52 & 0.3513 & 0.3513 \tabularnewline
EP4 excluded & 0.3627 & 0.3699 & 0.2269 & 0.2269 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=297204&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]0.4578[/C][C]0.4866[/C][C]0.4007[/C][C]0.2401[/C][/ROW]
[ROW][C]EP1 excluded[/C][C]0.2412[/C][C]0.2489[/C][C]0.1421[/C][C]0.1421[/C][/ROW]
[ROW][C]EP3 excluded[/C][C]0.477[/C][C]0.52[/C][C]0.3513[/C][C]0.3513[/C][/ROW]
[ROW][C]EP4 excluded[/C][C]0.3627[/C][C]0.3699[/C][C]0.2269[/C][C]0.2269[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=297204&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297204&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 itmes0.45780.48660.40070.2401
EP1 excluded0.24120.24890.14210.1421
EP3 excluded0.4770.520.35130.3513
EP4 excluded0.36270.36990.22690.2269


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')