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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 computationWed, 17 Dec 2014 13:24:36 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2014/Dec/17/t14188226869sd3l9zgmzqrowg.htm/, Retrieved Thu, 16 May 2024 21:36:52 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270205, Retrieved Thu, 16 May 2024 21:36:52 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact79

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Survey Scores] [Summary Mean Vs. ...] [2014-12-15 09:53:50] [69bf0eb8b9b38defaaf4848d8c317571]
- RMPD    [Cronbach Alpha] [] [2014-12-17 13:24:36] [7de19aadd459682308988067914fc05d] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5	6	4	5
7	6	6	6
4	5	5	5
4	5	5	4
5	6	7	6
5	5	5	5
5	5	5	5
6	6	6	6
4	6	4	7
7	7	7	7
1	1	6	2
5	6	5	6
4	5	5	5
6	7	7	7
5	6	6	6
5	6	6	7
6	6	6	6
5	6	7	7
5	6	6	7
5	6	5	5
7	7	7	7
7	7	7	7
5	7	3	7
7	7	6	6
6	6	7	7
4	6	6	5
5	7	7	7
6	6	5	6
5	5	5	5
5	7	6	6
7	6	6	6
5	6	6	7
3	6	5	6
5	7	6	5
5	7	6	6
6	7	6	6
6	6	6	5
2	7	6	6
6	7	5	5
5	5	5	6
4	5	5	4
5	7	6	6
5	4	5	4
5	5	5	6
6	5	6	6
6	6	6	7
6	6	4	6
4	6	6	6
3	7	6	7
5	6	7	6
6	6	6	7
6	6	4	6
5	6	6	7
4	6	5	6
6	6	6	6
6	7	6	6
4	7	6	6
6	7	7	7
6	7	7	7
5	5	6	7
5	6	2	5
5	5	4	6
2	7	7	7
3	7	7	7
5	7	7	7
6	6	2	6
6	6	6	5
7	5	5	5
5	7	5	6
4	4	5	4
5	4	4	7
4	6	6	6
3	6	4	5
3	6	5	5
3	5	6	5
3	4	4	5
6	6	6	6
6	7	7	6
2	4	4	4
5	7	6	7
6	6	5	6
4	5	4	5
4	5	7	6
6	6	7	7
7	7	5	6
7	7	6	6
6	6	7	7
7	6	5	6
5	5	6	6
4	6	5	6
5	5	6	6
7	7	7	7
6	5	5	6
7	7	6	6
5	5	5	5
6	6	6	6
5	5	5	6
5	6	5	7
5	6	7	5
5	6	6	6
5	5	6	6
5	6	6	6
5	6	5	5
7	7	6	7
5	6	6	6
6	6	7	7
6	7	7	7
6	7	7	7
6	5	7	5
2	7	7	7
5	5	7	6
7	7	7	7
5	7	6	6
5	5	5	5
6	6	5	6
4	6	6	6
3	4	3	5
7	7	6	7
4	6	6	7
5	6	6	6
6	4	6	4
6	5	5	2
6	5	6	5
4	5	6	5
5	6	5	5
6	7	6	6
5	5	3	6
5	7	7	6
6	6	6	6
1	7	7	7
7	7	7	7
7	7	4	4
5	6	5	5
3	6	7	7
4	5	5	5
5	5	5	6
5	7	7	6
6	4	6	7
7	7	7	7
5	5	1	3
6	5	6	6
5	6	6	7
6	7	5	7
2	4	5	4
4	5	7	7
5	7	7	7
3	5	7	6
6	7	6	7
2	5	4	4
5	6	6	6
4	4	3	4
1	5	5	5
5	5	5	5
4	5	5	6
4	6	5	5
5	6	5	5
7	7	7	7
2	6	5	6
3	7	4	7
4	7	5	6
7	7	6	7
5	5	5	5
4	4	5	4
6	7	6	7
5	5	6	5
6	6	6	6
6	5	5	5
6	7	5	7
5	6	5	6
2	5	5	5
3	3	5	3
5	6	6	6
7	7	7	7
6	6	6	6
5	6	5	6
6	6	6	6
6	7	6	6
5	6	5	5
4	6	6	6
2	5	4	5
3	5	5	5
6	7	7	7
4	4	4	5
6	7	5	7
6	7	5	6
6	5	5	5
7	4	5	5
4	5	6	4
7	7	6	7
7	7	7	7
4	5	5	5
5	6	6	6
5	6	7	7
5	7	7	7
5	6	7	7
5	7	6	7
6	6	6	6
6	6	6	6
7	6	5	6
4	6	6	6
7	6	2	6
5	6	2	4
5	6	6	6
1	5	6	5
5	7	6	7
5	5	5	4
2	2	2	2
4	4	4	2
4	7	6	5
6	7	6	6
7	7	7	7
4	7	7	7
7	6	6	5
2	3	5	5
7	6	6	6
4	6	7	7
7	7	7	7
7	6	5	6
5	6	7	7
5	6	6	6
7	7	5	7
5	7	7	7
6	6	5	5
5	6	7	7
3	5	6	6
3	7	6	6
5	7	7	7
3	6	5	6
5	7	7	7
6	7	7	6
5	5	6	5
5	5	6	5
4	7	6	7
4	6	6	5
4	5	4	5
5	6	6	6
6	7	7	6
5	6	6	6
6	7	6	6
5	5	5	5
5	6	7	7
5	7	7	7
2	6	5	6
5	5	6	5
5	6	6	6
6	7	5	6
1	3	1	1
4	6	6	6
5	5	5	6
7	7	7	7
6	6	6	6
2	2	5	5
2	5	5	5
6	6	3	5
7	7	7	7
3	7	4	5
6	6	6	6
5	5	5	6
5	6	5	5
6	7	7	6
5	7	6	6
6	6	7	7
6	6	6	7
5	6	6	6
6	6	6	6
6	6	6	6
7	5	7	7
4	6	7	6
4	6	4	6
5	3	4	4
6	6	6	6
5	5	5	5
6	6	6	5
5	6	6	6
5	6	2	5
6	5	5	5
7	7	4	7
5	6	6	6
6	7	6	7
6	7	7	6
7	6	5	6
4	6	7	6
5	6	4	6
6	5	6	6
5	5	5	5
5	6	6	6
5	6	7	6
6	7	5	5
4	4	4	4
5	5	4	4
7	7	7	7
6	7	7	6
3	6	6	6
2	6	6	6
4	6	6	5
5	7	7	7
1	7	1	6
2	6	6	2
5	5	6	5
6	6	7	6
5	6	5	6
4	4	6	5
6	6	6	6
6	7	5	6
6	5	6	6
6	6	5	5
7	7	6	7
6	6	5	5
6	6	6	6
6	6	7	7
6	7	6	7
7	7	7	7
5	5	5	5
5	6	6	6
6	6	6	6
2	7	7	7
6	7	6	7
5	5	5	5
5	7	4	4
3	3	3	3
5	6	5	5
7	7	7	7
6	5	7	6
6	6	6	6
6	6	6	6
6	6	5	5
5	7	7	7
6	6	5	6
5	2	1	2
7	6	7	7
4	6	7	7
6	7	7	6
4	5	5	4
5	6	5	6
6	6	6	6
3	5	3	5
6	6	5	6
5	7	4	5
7	7	7	7
5	5	5	4
4	6	4	4
6	7	7	7
4	3	6	4
4	6	6	4
6	6	6	6
6	6	5	7
7	4	4	5
5	7	6	6
6	7	6	6
5	7	7	6
6	7	6	7
6	6	6	7
6	6	7	7
1	3	6	4
5	5	4	5
5	6	6	6
6	7	6	6
6	6	5	6
5	5	4	5
4	7	6	6
4	7	6	7
5	6	5	5
5	7	4	5
6	7	5	6
5	6	6	6
5	6	5	6
5	5	6	5
6	6	5	6
5	7	6	7
5	4	4	4
6	7	7	7
7	7	7	7
6	6	6	6
6	7	7	7
4	6	5	7
5	6	6	6
5	7	5	7
5	6	7	6
6	7	7	6
3	6	6	6
6	6	6	5
5	5	4	4
5	7	7	6
4	6	7	7
6	7	7	7
5	5	5	5
6	7	6	6
5	6	6	6
4	7	7	7
5	6	7	6
4	7	5	7
5	5	4	5
4	7	7	7
7	7	7	7
6	7	7	6
5	7	6	6
6	6	7	6
7	7	7	7
6	5	6	6
3	4	4	4
3	5	5	5
6	6	6	6
6	7	7	7
6	7	6	6
7	5	6	6
6	7	7	6
2	6	5	6
5	7	4	7
5	6	4	6
4	6	6	6
6	7	4	6
5	6	6	6
5	6	4	5
4	6	5	5
5	7	6	7
7	7	7	7
5	5	4	5
2	7	6	6
5	5	6	5
6	6	6	7
5	5	4	4
5	6	5	6
5	6	5	5
5	6	5	5
7	6	6	6
4	6	5	5
3	6	6	7
6	7	7	7
4	7	6	6
6	7	6	6
7	7	7	7
6	7	6	6
6	6	6	6
7	6	7	7
4	5	5	5
6	6	5	7
5	7	5	5
6	5	6	6
5	5	6	5
4	6	5	6
5	5	5	5
7	7	6	6
7	7	7	7
5	5	6	7
3	5	5	6
5	6	7	5
4	5	4	5
5	4	6	6
7	7	7	7
4	6	6	6
7	7	7	7
5	6	4	5
3	7	6	7
5	7	7	6
5	5	2	4
6	7	6	4
4	5	5	4
4	6	6	6
5	6	5	5
4	5	5	5
2	6	6	6
6	7	7	7
6	7	7	7
6	6	3	5
7	7	6	6
6	7	6	6
5	6	6	6
4	7	7	6
6	7	7	7
7	7	7	7
6	6	7	7
6	7	7	7
6	6	5	6
7	7	7	7
6	6	5	5
5	6	6	6
6	7	7	7
4	6	5	3
6	5	6	5
5	6	6	6
5	6	7	7
2	4	4	4
3	5	7	6
6	7	7	6
7	7	7	7
5	6	5	6
6	6	6	6
7	7	7	7
6	6	6	6
5	7	7	7
3	6	3	6
4	5	5	5
5	7	7	7
5	7	7	7
4	4	2	2
6	6	6	6
7	7	6	6
4	6	7	6

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Sir Maurice George Kendall' @ kendall.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 & 2 seconds \tabularnewline
R Server & 'Sir Maurice George Kendall' @ kendall.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270205&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]2 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Sir Maurice George Kendall' @ kendall.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270205&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270205&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 time2 seconds
R Server'Sir Maurice George Kendall' @ kendall.wessa.net






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.75970.7760.74790.4642
AMS1 excluded0.79750.80210.74690.5746
AMS8 excluded0.66920.68580.62440.4211
AMS15 excluded0.71240.73430.67690.4795
AMS22 excluded0.63340.64920.56240.3815

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7597 & 0.776 & 0.7479 & 0.4642 \tabularnewline
AMS1 excluded & 0.7975 & 0.8021 & 0.7469 & 0.5746 \tabularnewline
AMS8 excluded & 0.6692 & 0.6858 & 0.6244 & 0.4211 \tabularnewline
AMS15 excluded & 0.7124 & 0.7343 & 0.6769 & 0.4795 \tabularnewline
AMS22 excluded & 0.6334 & 0.6492 & 0.5624 & 0.3815 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270205&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]0.7597[/C][C]0.776[/C][C]0.7479[/C][C]0.4642[/C][/ROW]
[ROW][C]AMS1 excluded[/C][C]0.7975[/C][C]0.8021[/C][C]0.7469[/C][C]0.5746[/C][/ROW]
[ROW][C]AMS8 excluded[/C][C]0.6692[/C][C]0.6858[/C][C]0.6244[/C][C]0.4211[/C][/ROW]
[ROW][C]AMS15 excluded[/C][C]0.7124[/C][C]0.7343[/C][C]0.6769[/C][C]0.4795[/C][/ROW]
[ROW][C]AMS22 excluded[/C][C]0.6334[/C][C]0.6492[/C][C]0.5624[/C][C]0.3815[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270205&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270205&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 itmes0.75970.7760.74790.4642
AMS1 excluded0.79750.80210.74690.5746
AMS8 excluded0.66920.68580.62440.4211
AMS15 excluded0.71240.73430.67690.4795
AMS22 excluded0.63340.64920.56240.3815


Figures (Output of Computation)

Input Parameters & R Code

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