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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, 21 Dec 2017 12:14:08 +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/Dec/21/t1513854853dzjh1x81svwdbdn.htm/, Retrieved Tue, 14 May 2024 05:50:40 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=310617, Retrieved Tue, 14 May 2024 05:50:40 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact96

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2017-12-21 11:14:08] [ddc578dfab8fb8809d20d480c2453c83] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
3	2	4	4
5	4	4	4
4	4	5	4
4	4	5	4
3	4	3	4
3	4	4	4
3	5	5	4
3	4	4	5
3	3	4	3
3	5	4	4
3	4	4	4
4	4	4	4
4	4	5	4
4	4	4	4
4	4	5	4
5	3	4	4
2	4	4	4
4	4	4	3
3	5	5	5
3	4	3	4
3	4	4	4
3	3	2	3
2	4	2	3
3	2	4	3
4	4	3	3
3	3	4	4
3	5	4	5
4	5	5	5
3	3	4	4
4	3	4	3
3	4	5	4
2	4	4	4
1	4	5	1
2	5	3	2
4	4	2	2
3	4	4	4
3	3	2	3
4	3	4	3
3	3	3	3
4	3	4	3
4	3	4	4
2	4	4	3
2	3	4	2
3	4	5	3
4	5	4	3
4	5	3	4
4	4	5	5
2	3	4	4
4	4	5	5
4	4	4	4
5	5	5	5
3	4	2	3
3	4	5	4
4	4	4	4
2	4	5	2
3	4	4	5
3	4	4	4
5	3	3	4
2	4	4	2
4	4	5	4
3	4	4	4
4	4	4	4
4	4	4	3
4	4	5	5
2	3	1	2
4	4	5	4
4	3	2	3
4	4	4	4
5	5	5	5
3	5	4	3
3	2	3	3
3	3	4	1
4	5	5	4
4	4	5	3
4	4	4	4
2	4	4	3
3	3	3	3
3	4	5	5
2	4	3	1
3	5	4	4
2	2	5	4
4	4	4	4
3	4	4	4
4	5	4	5
4	4	5	5
4	4	4	4
3	3	4	4
4	4	4	3
3	2	4	2
3	4	4	4
3	4	4	4
3	5	5	5
4	4	4	4
4	4	3	3
2	2	3	2
4	5	5	4
4	4	5	5
4	3	3	3
4	3	4	3
4	4	4	4
2	4	4	4
2	3	4	4
3	3	4	5
2	4	4	4
4	4	5	4
4	4	5	4
3	4	5	5
2	4	4	5
3	3	3	3
4	4	4	3
2	3	2	2
4	4	3	2
2	3	2	3
2	3	2	3
3	3	5	5
2	4	4	2
5	5	5	5
2	2	4	1
2	4	2	3
4	4	3	4
4	4	4	4
4	4	4	4
1	2	3	1
3	3	4	3
3	3	2	2
4	4	3	4
3	3	4	5
3	4	3	2
2	3	4	3
4	4	5	4
2	4	4	2
3	4	4	3
4	4	3	3
2	3	2	2
3	4	3	3
3	5	5	4
3	4	4	3
3	4	2	3
2	4	1	3
3	4	4	4
2	4	1	3
3	3	4	4
2	4	5	3
3	4	3	3
4	3	3	3
1	2	1	1
4	4	3	3
5	4	5	5
4	4	4	4
2	4	5	4
1	2	4	4
4	4	4	4
3	4	3	3
3	3	4	5
4	4	4	4
3	5	5	4
3	3	4	3
3	5	5	4
4	4	5	4
3	3	3	1
4	2	4	2
3	5	4	3
2	2	3	1
2	3	2	3
4	2	3	3
4	5	4	4
4	4	4	4
4	4	3	2
2	4	3	3
4	3	4	3
3	4	4	3
4	5	3	4
3	4	4	3
4	5	4	2
3	3	4	3
2	3	4	4
4	4	5	4
4	4	5	4
4	4	3	3
3	3	4	5
3	4	4	4
2	3	4	3
3	3	3	2
3	4	4	4
4	4	5	4
4	4	4	4
4	4	5	1
4	4	4	4
4	3	4	4
4	4	3	4
2	4	3	4
2	4	4	4
3	3	4	4
3	3	1	1
2	2	3	3
2	3	3	4
4	4	3	4
4	3	4	2
4	5	5	5
3	4	4	3
4	4	4	3
2	3	3	2
4	2	2	2
4	5	5	4
3	4	4	3
4	4	4	4
3	3	3	4
3	3	5	4
4	4	4	4
4	4	3	4
4	4	3	4
2	3	2	1
4	4	5	4
2	4	4	3
2	5	3	1
4	4	4	3
4	3	4	4
2	3	3	3
3	4	2	1
4	4	4	5
3	4	2	2
2	3	3	3
3	4	4	3
3	3	3	3
3	4	4	4
3	4	3	3
3	3	3	1
4	4	4	5
2	4	3	2
5	5	4	5
3	3	3	3
3	3	4	3
3	4	4	4
3	4	4	4
4	4	5	4
4	4	5	4
4	4	5	4
4	4	4	4
3	3	3	4
4	4	4	3
3	4	4	3
1	3	3	4
2	5	4	5
2	2	2	2
5	4	5	4
3	1	2	1
2	3	2	1
2	2	2	1
5	4	5	4
3	4	4	5
3	3	3	3
4	4	4	4
3	5	5	3
1	2	1	1
2	3	3	4
4	4	5	5
3	3	3	3
2	3	2	1
2	2	1	3
2	4	2	1
3	3	1	2
3	3	3	3
4	4	4	4
2	5	4	5
2	4	3	5
4	4	4	3
3	4	2	3
5	4	4	4
5	5	5	5
3	4	4	4
3	4	5	4
5	4	4	3
4	5	5	5
4	5	5	3
5	4	5	4
1	3	3	4
4	4	4	2
4	5	5	5
1	4	4	4
3	4	3	4
2	4	3	2
3	4	3	3
4	5	4	5
3	5	4	5
2	4	4	5
3	4	4	4
3	4	4	2
4	3	4	3
4	5	5	5
4	4	5	2
4	4	4	4
3	5	4	5
4	3	3	2
4	3	5	4
3	3	4	3
3	4	4	4
3	4	4	3
4	4	3	2
4	4	5	5
4	4	4	4
4	3	3	4
3	4	4	3
1	4	3	2
3	3	3	3
4	4	4	4
4	5	3	3
4	5	5	5
4	4	4	4
4	4	4	4
4	4	3	4
3	4	3	4
3	4	3	4
2	4	5	5
4	4	4	4
3	4	1	3
3	4	4	5
4	4	4	4
3	4	3	3
3	5	4	4
5	4	5	5
3	3	3	3
4	4	4	3
4	4	4	4
4	4	4	3
4	2	2	2
4	4	3	3
4	4	4	3
4	4	4	3
4	3	5	4
2	4	4	3
4	4	1	3
4	4	4	5
4	5	4	4
2	5	2	5
3	4	4	3
5	5	4	4
4	4	4	4
5	5	4	3
3	4	4	3
2	4	3	1
2	5	3	1
2	1	1	1
4	2	3	2
2	4	1	1
4	4	3	3
4	4	4	5
4	4	3	3
4	5	3	3
5	5	5	5
4	5	5	5
4	5	5	5
4	4	4	4
3	3	3	3
3	3	3	3
3	5	4	4
5	5	5	5
4	4	4	4
3	4	4	3
3	3	3	4
3	4	4	4
3	4	4	3
3	3	3	5
3	4	4	4
3	4	4	4
3	4	3	3
3	5	1	2
3	3	3	2
4	5	3	5
4	5	4	4
5	5	5	5
4	4	4	4
3	4	3	3
3	3	5	4
5	4	4	3
3	4	4	4
3	5	3	5
3	3	4	4
5	3	4	2
4	4	3	3
5	4	4	5
2	3	4	3
3	3	3	4
4	5	5	4
4	5	5	4
5	4	4	4
4	2	4	2
4	3	4	4
4	4	4	2
4	4	4	3
4	3	3	3
4	3	5	4
5	4	4	3
3	5	3	3
4	5	5	5
4	5	4	5
2	4	3	4
4	2	2	2
4	3	3	3
2	5	2	2
3	3	3	2
3	3	5	5
4	4	2	2
3	5	4	4
4	5	4	4
2	3	3	3
4	4	5	5
4	4	4	1
3	4	4	4
3	3	3	3
4	5	4	3
2	3	2	2
4	3	3	2
2	2	3	3
3	3	4	2
4	5	3	4
3	5	4	4
4	4	4	5
3	4	4	3
2	3	4	2
4	4	4	3
1	3	3	1
3	4	5	3
4	4	5	1
3	4	4	3
4	5	4	2
3	4	4	4
4	3	3	3
3	3	3	3
3	4	4	5
3	4	5	5
5	5	2	3
3	4	4	3
3	3	2	2
4	5	4	4
4	5	4	4
2	5	3	3
3	4	3	2
5	4	4	4
3	4	4	4
3	5	3	4
3	3	4	3
3	5	3	4
3	4	4	4
5	5	5	5
4	4	4	4
4	4	4	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=310617&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=310617&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=310617&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 itmes0.71950.71910.66730.3902
A excluded0.70030.70050.61930.4381
B excluded0.68360.68290.60280.4179
C excluded0.61620.62260.5270.3548
D excluded0.61670.61790.52010.3502

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7195 & 0.7191 & 0.6673 & 0.3902 \tabularnewline
A excluded & 0.7003 & 0.7005 & 0.6193 & 0.4381 \tabularnewline
B excluded & 0.6836 & 0.6829 & 0.6028 & 0.4179 \tabularnewline
C excluded & 0.6162 & 0.6226 & 0.527 & 0.3548 \tabularnewline
D excluded & 0.6167 & 0.6179 & 0.5201 & 0.3502 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=310617&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]0.7195[/C][C]0.7191[/C][C]0.6673[/C][C]0.3902[/C][/ROW]
[ROW][C]A excluded[/C][C]0.7003[/C][C]0.7005[/C][C]0.6193[/C][C]0.4381[/C][/ROW]
[ROW][C]B excluded[/C][C]0.6836[/C][C]0.6829[/C][C]0.6028[/C][C]0.4179[/C][/ROW]
[ROW][C]C excluded[/C][C]0.6162[/C][C]0.6226[/C][C]0.527[/C][C]0.3548[/C][/ROW]
[ROW][C]D excluded[/C][C]0.6167[/C][C]0.6179[/C][C]0.5201[/C][C]0.3502[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=310617&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=310617&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 itmes0.71950.71910.66730.3902
A excluded0.70030.70050.61930.4381
B excluded0.68360.68290.60280.4179
C excluded0.61620.62260.5270.3548
D excluded0.61670.61790.52010.3502


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 1 ; par2 = Do not include Seasonal Dummies ; par3 = No Linear Trend ; par4 = 0 ; par5 = 0 ; par6 = 12 ;
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')