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Description of Statistical Computation

Author's title

Author*Unverified author*
R Software Modulerwasp_cronbach.wasp
Title produced by softwareCronbach Alpha
Date of computationWed, 11 Dec 2019 10:36:08 +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/2019/Dec/11/t15760570383cdbncfiod7tlby.htm/, Retrieved Sat, 18 May 2024 10:23:41 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=318964, Retrieved Sat, 18 May 2024 10:23:41 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact113

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [Topic 1 Q1-4] [2019-12-11 09:36:08] [d41d8cd98f00b204e9800998ecf8427e] [Current]
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Dataset

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

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time0 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 time0 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=318964&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]0 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=318964&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=318964&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 time0 seconds
R ServerBig Analytics Cloud Computing Center






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.23390.27720.25340.0875
TQ1_1 excluded0.12420.13630.09650.05
TQ1_2 excluded0.10180.10910.08510.0392
TQ1_3 excluded0.2090.27320.23530.1113
TQ1_4 excluded0.32130.34520.28110.1495

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.2339 & 0.2772 & 0.2534 & 0.0875 \tabularnewline
TQ1_1 excluded & 0.1242 & 0.1363 & 0.0965 & 0.05 \tabularnewline
TQ1_2 excluded & 0.1018 & 0.1091 & 0.0851 & 0.0392 \tabularnewline
TQ1_3 excluded & 0.209 & 0.2732 & 0.2353 & 0.1113 \tabularnewline
TQ1_4 excluded & 0.3213 & 0.3452 & 0.2811 & 0.1495 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=318964&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]0.2339[/C][C]0.2772[/C][C]0.2534[/C][C]0.0875[/C][/ROW]
[ROW][C]TQ1_1 excluded[/C][C]0.1242[/C][C]0.1363[/C][C]0.0965[/C][C]0.05[/C][/ROW]
[ROW][C]TQ1_2 excluded[/C][C]0.1018[/C][C]0.1091[/C][C]0.0851[/C][C]0.0392[/C][/ROW]
[ROW][C]TQ1_3 excluded[/C][C]0.209[/C][C]0.2732[/C][C]0.2353[/C][C]0.1113[/C][/ROW]
[ROW][C]TQ1_4 excluded[/C][C]0.3213[/C][C]0.3452[/C][C]0.2811[/C][C]0.1495[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=318964&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=318964&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 itmes0.23390.27720.25340.0875
TQ1_1 excluded0.12420.13630.09650.05
TQ1_2 excluded0.10180.10910.08510.0392
TQ1_3 excluded0.2090.27320.23530.1113
TQ1_4 excluded0.32130.34520.28110.1495


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):
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')