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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, 21 Dec 2018 17:10:54 +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/2018/Dec/21/t15454086896nsg0by8s7mf586.htm/, Retrieved Sat, 04 May 2024 16:39:24 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=316198, Retrieved Sat, 04 May 2024 16:39:24 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact88

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [Probleemstelling ...] [2018-12-21 16:10:54] [43d2f626bc6218a9f8edf623032f4bc3] [Current]
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Dataset

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

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=316198&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=316198&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=316198&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 itmes0.55590.52760.50250.2182
EC1 excluded0.28960.30250.22570.1263
EC2 excluded0.37130.37590.29050.1672
EC3 excluded0.59130.57380.51790.3098
EC4 excluded0.55940.52560.48570.2697

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.5559 & 0.5276 & 0.5025 & 0.2182 \tabularnewline
EC1 excluded & 0.2896 & 0.3025 & 0.2257 & 0.1263 \tabularnewline
EC2 excluded & 0.3713 & 0.3759 & 0.2905 & 0.1672 \tabularnewline
EC3 excluded & 0.5913 & 0.5738 & 0.5179 & 0.3098 \tabularnewline
EC4 excluded & 0.5594 & 0.5256 & 0.4857 & 0.2697 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=316198&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]0.5559[/C][C]0.5276[/C][C]0.5025[/C][C]0.2182[/C][/ROW]
[ROW][C]EC1 excluded[/C][C]0.2896[/C][C]0.3025[/C][C]0.2257[/C][C]0.1263[/C][/ROW]
[ROW][C]EC2 excluded[/C][C]0.3713[/C][C]0.3759[/C][C]0.2905[/C][C]0.1672[/C][/ROW]
[ROW][C]EC3 excluded[/C][C]0.5913[/C][C]0.5738[/C][C]0.5179[/C][C]0.3098[/C][/ROW]
[ROW][C]EC4 excluded[/C][C]0.5594[/C][C]0.5256[/C][C]0.4857[/C][C]0.2697[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=316198&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=316198&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 itmes0.55590.52760.50250.2182
EC1 excluded0.28960.30250.22570.1263
EC2 excluded0.37130.37590.29050.1672
EC3 excluded0.59130.57380.51790.3098
EC4 excluded0.55940.52560.48570.2697


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par4 = 12 ;
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')