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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, 30 Nov 2016 14:32:49 +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/30/t1480512928ajm8qbm2yogak0a.htm/, Retrieved Sun, 19 May 2024 00:25:51 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=297409, Retrieved Sun, 19 May 2024 00:25:51 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact61

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [Cronbach Alpha te...] [2016-11-30 13:32:49] [71d167f7de04005af677e6526bf8917e] [Current]
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Dataset

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

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=297409&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=297409&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297409&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 itmes0.60670.63120.55230.3632
TV1 excluded0.52430.52730.35810.3581
TV2 excluded0.62240.65820.49050.4905
TV3 excluded0.34740.38870.24120.2412

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6067 & 0.6312 & 0.5523 & 0.3632 \tabularnewline
TV1 excluded & 0.5243 & 0.5273 & 0.3581 & 0.3581 \tabularnewline
TV2 excluded & 0.6224 & 0.6582 & 0.4905 & 0.4905 \tabularnewline
TV3 excluded & 0.3474 & 0.3887 & 0.2412 & 0.2412 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=297409&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]0.6067[/C][C]0.6312[/C][C]0.5523[/C][C]0.3632[/C][/ROW]
[ROW][C]TV1 excluded[/C][C]0.5243[/C][C]0.5273[/C][C]0.3581[/C][C]0.3581[/C][/ROW]
[ROW][C]TV2 excluded[/C][C]0.6224[/C][C]0.6582[/C][C]0.4905[/C][C]0.4905[/C][/ROW]
[ROW][C]TV3 excluded[/C][C]0.3474[/C][C]0.3887[/C][C]0.2412[/C][C]0.2412[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=297409&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=297409&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 itmes0.60670.63120.55230.3632
TV1 excluded0.52430.52730.35810.3581
TV2 excluded0.62240.65820.49050.4905
TV3 excluded0.34740.38870.24120.2412


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')