FreeStatistics.org

Free Statistics

of Irreproducible Research!

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 computationSun, 27 Nov 2016 11:58:50 +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/27/t14802444045ywu5ml8r0vocl6.htm/, Retrieved Mon, 29 Apr 2024 21:10:26 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=297180, Retrieved Mon, 29 Apr 2024 21:10:26 +0000
QR Codes:

Original text written by user:EPC1-EPC4
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact104

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [4.3.22 Cronbach A...] [2016-11-27 10:58:50] [b41f404c3c79495e87070c66cd6afe9f] [Current]
Feedback Forum

Post a new message

Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5	5	4	1
3	3	2	5
5	5	3	1
5	4	2	2
5	4	2	1
5	5	3	4
5	3	3	1
5	5	2	1
5	5	2	1
5	5	4	2
4	5	2	1
2	4	2	4
5	4	3	1
4	5	2	5
5	5	3	2
4	5	2	1
5	4	2	NA
5	5	NA	NA
5	5	3	2
4	5	2	1
4	5	2	4
3	4	3	1
5	5	1	2
4	4	2	3
5	5	3	1
4	4	2	4
5	5	2	2
5	4	3	3
5	5	5	1
5	5	2	4
5	5	5	1
5	5	2	1
5	5	2	1
5	4	4	1
5	4	1	3
4	4	2	4
4	4	2	2
5	5	3	4
5	5	2	2
5	5	3	2
5	5	2	1
5	5	3	1
5	5	4	1
5	5	4	5
5	5	3	1
5	5	2	1
5	4	2	1
NA	NA	1	NA
4	5	4	1
5	5	4	1
5	5	3	2
4	4	2	2
5	5	2	2
3	4	2	2
4	3	2	3
3	3	3	1
5	4	2	NA
5	5	2	2
5	5	3	1
5	4	3	3
5	5	2	3
5	5	2	1
5	5	4	1
5	5	4	2
4	4	3	1
5	5	4	3
4	4	4	3
5	5	4	NA
2	2	4	4
4	3	5	4
5	5	3	2
5	5	4	1
4	3	4	1
5	5	2	1
2	3	2	3
5	4	3	2
3	3	4	1
4	5	2	1
4	4	5	1
5	5	1	1
5	5	3	1
4	4	3	1
4	4	2	3
5	5	2	1
4	5	1	4
4	4	2	2
5	5	1	4
5	5	2	1
5	5	2	1
4	4	2	1
4	4	2	2
4	4	3	5
3	3	2	3
4	4	1	4
5	5	1	1
5	5	3	4
4	4	2	4
5	5	3	2
2	2	1	3
5	5	2	1
5	5	2	1
4	4	3	4
3	5	2	4
5	5	2	1
4	4	3	3
5	5	1	1
5	5	4	5
5	5	3	2
5	5	2	2
5	5	3	1
4	5	3	3
5	4	3	1
5	5	4	1
5	3	3	3
4	4	2	1
5	5	3	4
5	5	2	1
2	1	1	5
5	5	1	1
5	5	2	1
5	4	4	4
5	4	3	2
5	5	2	1
5	5	2	4
5	5	3	1
5	5	3	1
4	5	3	2
3	3	2	2
5	4	2	1
5	5	2	1
5	5	3	1
5	5	4	4
4	4	2	4
4	5	2	3
4	4	1	4
5	4	3	1
4	4	3	5
NA	NA	4	3
4	4	3	2
5	5	1	3
2	2	1	3
5	5	2	1
4	4	1	4
5	5	5	1
5	5	3	1
4	4	2	3
5	4	2	3
4	2	4	2
5	5	2	4
5	5	4	4
5	5	4	2
4	4	3	4
5	5	4	4
5	5	3	2
5	4	4	1
5	5	3	1
5	5	4	1
2	2	2	3
5	5	4	3
3	3	1	4
5	5	4	1
5	4	3	NA
5	5	2	3
4	4	2	3
5	5	2	NA
5	5	4	1
5	5	3	2
5	4	3	2
5	2	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=297180&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=297180&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297180&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 itmes0.59270.63720.63490.3051
EPC1 excluded0.39520.4070.32670.1862
EPC2 excluded0.45310.48330.3990.2377
EPC3 excluded0.65130.71240.67190.4522
EPC4 excluded0.57980.61170.61280.3443

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5927 & 0.6372 & 0.6349 & 0.3051 \tabularnewline
EPC1 excluded & 0.3952 & 0.407 & 0.3267 & 0.1862 \tabularnewline
EPC2 excluded & 0.4531 & 0.4833 & 0.399 & 0.2377 \tabularnewline
EPC3 excluded & 0.6513 & 0.7124 & 0.6719 & 0.4522 \tabularnewline
EPC4 excluded & 0.5798 & 0.6117 & 0.6128 & 0.3443 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=297180&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]0.5927[/C][C]0.6372[/C][C]0.6349[/C][C]0.3051[/C][/ROW]
[ROW][C]EPC1 excluded[/C][C]0.3952[/C][C]0.407[/C][C]0.3267[/C][C]0.1862[/C][/ROW]
[ROW][C]EPC2 excluded[/C][C]0.4531[/C][C]0.4833[/C][C]0.399[/C][C]0.2377[/C][/ROW]
[ROW][C]EPC3 excluded[/C][C]0.6513[/C][C]0.7124[/C][C]0.6719[/C][C]0.4522[/C][/ROW]
[ROW][C]EPC4 excluded[/C][C]0.5798[/C][C]0.6117[/C][C]0.6128[/C][C]0.3443[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=297180&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297180&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 itmes0.59270.63720.63490.3051
EPC1 excluded0.39520.4070.32670.1862
EPC2 excluded0.45310.48330.3990.2377
EPC3 excluded0.65130.71240.67190.4522
EPC4 excluded0.57980.61170.61280.3443


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 3 ; par2 = grey ; par3 = FALSE ; par4 = Unknown ;
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')