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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 computationThu, 03 Sep 2015 08:09:01 +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/2015/Sep/03/t1441264155lyzjcmndb6cfbuz.htm/, Retrieved Thu, 16 May 2024 18:45:35 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=280447, Retrieved Thu, 16 May 2024 18:45:35 +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] [] [2015-09-03 07:09:01] [3126d1152455a13ed964da161295d6bc] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
4.2 "'VC'" 0.5
11.5 "'VC'" 0.5
7.3 "'VC'" 0.5
5.8 "'VC'" 0.5
6.4 "'VC'" 0.5
10 "'VC'" 0.5
11.2 "'VC'" 0.5
11.2 "'VC'" 0.5
5.2 "'VC'" 0.5
7 "'VC'" 0.5
16.5 "'VC'" 1
16.5 "'VC'" 1
15.2 "'VC'" 1
17.3 "'VC'" 1
22.5 "'VC'" 1
17.3 "'VC'" 1
13.6 "'VC'" 1
14.5 "'VC'" 1
18.8 "'VC'" 1
15.5 "'VC'" 1
23.6 "'VC'" 2
18.5 "'VC'" 2
33.9 "'VC'" 2
25.5 "'VC'" 2
26.4 "'VC'" 2
32.5 "'VC'" 2
26.7 "'VC'" 2
21.5 "'VC'" 2
23.3 "'VC'" 2
29.5 "'VC'" 2
15.2 "'OJ'" 0.5
21.5 "'OJ'" 0.5
17.6 "'OJ'" 0.5
9.7 "'OJ'" 0.5
14.5 "'OJ'" 0.5
10 "'OJ'" 0.5
8.2 "'OJ'" 0.5
9.4 "'OJ'" 0.5
16.5 "'OJ'" 0.5
9.7 "'OJ'" 0.5
19.7 "'OJ'" 1
23.3 "'OJ'" 1
23.6 "'OJ'" 1
26.4 "'OJ'" 1
20 "'OJ'" 1
25.2 "'OJ'" 1
25.8 "'OJ'" 1
21.2 "'OJ'" 1
14.5 "'OJ'" 1
27.3 "'OJ'" 1
25.5 "'OJ'" 2
26.4 "'OJ'" 2
22.4 "'OJ'" 2
24.5 "'OJ'" 2
24.8 "'OJ'" 2
30.9 "'OJ'" 2
26.4 "'OJ'" 2
27.3 "'OJ'" 2
29.4 "'OJ'" 2
23 "'OJ'" 2

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Gwilym Jenkins' @ jenkins.wessa.net

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=280447&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gwilym Jenkins' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=280447&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=280447&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Gwilym Jenkins' @ jenkins.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.23180.89050.80270.8027
Haargroei excluded0.80270.80270.64430.8027
Middel excluded0.80270.80270.64430.8027
Dosis excludedNANANANA

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.2318 & 0.8905 & 0.8027 & 0.8027 \tabularnewline
Haargroei excluded & 0.8027 & 0.8027 & 0.6443 & 0.8027 \tabularnewline
Middel excluded & 0.8027 & 0.8027 & 0.6443 & 0.8027 \tabularnewline
Dosis excluded & NA & NA & NA & NA \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=280447&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]0.2318[/C][C]0.8905[/C][C]0.8027[/C][C]0.8027[/C][/ROW]
[ROW][C]Haargroei excluded[/C][C]0.8027[/C][C]0.8027[/C][C]0.6443[/C][C]0.8027[/C][/ROW]
[ROW][C]Middel excluded[/C][C]0.8027[/C][C]0.8027[/C][C]0.6443[/C][C]0.8027[/C][/ROW]
[ROW][C]Dosis excluded[/C][C]NA[/C][C]NA[/C][C]NA[/C][C]NA[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=280447&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=280447&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 itmes0.23180.89050.80270.8027
Haargroei excluded0.80270.80270.64430.8027
Middel excluded0.80270.80270.64430.8027
Dosis excludedNANANANA


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')