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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, 31 Jan 2019 14:24:16 +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/Jan/31/t1548941062rmn2l9o8helqo8v.htm/, Retrieved Sun, 05 May 2024 15:56:17 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=317501, Retrieved Sun, 05 May 2024 15:56:17 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact28

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2019-01-31 13:24:16] [b28501030aa841baf21871fef683c0a0] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
14 13 22
19 16 24
17 17 26
17 NA 21
15 NA 26
20 16 25
15 NA 21
19 NA 24
15 NA 27
15 17 28
19 17 23
NA 15 25
20 16 24
18 14 24
15 16 24
14 17 25
20 NA 25
NA NA NA
16 NA 25
16 NA 25
16 16 24
10 NA 26
19 16 26
19 NA 25
16 NA 26
15 NA 23
18 16 24
17 15 24
19 16 25
17 16 25
NA 13 24
19 15 28
20 17 27
5 NA NA
19 13 23
16 17 23
15 NA 24
16 14 24
18 14 22
16 18 25
15 NA 25
17 17 28
NA 13 22
20 16 28
19 15 25
7 15 24
13 NA 24
16 15 23
16 13 25
NA NA NA
18 17 26
18 NA 25
16 NA 27
17 11 26
19 14 23
16 13 25
19 NA 21
13 17 22
16 16 24
13 NA 25
12 17 27
17 16 24
17 16 26
17 16 21
16 15 27
16 12 22
14 17 23
16 14 24
13 14 25
16 16 24
14 NA 23
20 NA 28
12 NA NA
13 NA 24
18 NA 26
14 15 22
19 16 25
18 14 25
14 15 24
18 17 24
19 NA 26
15 10 21
14 NA 25
17 17 25
19 NA 26
13 20 25
19 17 26
18 18 27
20 NA 25
15 17 NA
15 14 20
15 NA 24
20 17 26
15 NA 25
19 17 25
18 NA 24
18 16 26
15 18 25
20 18 28
17 16 27
12 NA 25
18 NA 26
19 15 26
20 13 26
NA NA NA
17 NA 28
15 NA NA
16 NA 21
18 NA 25
18 16 25
14 NA 24
15 NA 24
12 NA 24
17 12 23
14 NA 23
18 16 24
17 16 24
17 NA 25
20 16 28
16 14 23
14 15 24
15 14 23
18 NA 24
20 15 25
17 NA 24
17 15 23
17 16 23
17 NA 25
15 NA 21
17 NA 22
18 11 19
17 NA 24
20 18 25
15 NA 21
16 11 22
15 NA 23
18 18 27
11 NA NA
15 15 26
18 19 29
20 17 28
19 NA 24
14 14 25
16 NA 25
15 13 22
17 17 25
18 14 26
20 19 26
17 14 24
18 NA 25
15 NA 19
16 16 25
11 16 23
15 15 25
18 12 25
17 NA 26
16 17 27
12 NA 24
19 NA 22
18 18 25
15 15 24
17 18 23
19 15 27
18 NA 24
19 NA 24
16 NA 21
16 16 25
16 NA 25
14 16 23

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=317501&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=317501&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=317501&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 itmes0.4960.53050.47320.2736
ITHSUM excluded0.64490.64490.47590.4759
TVDC excluded0.38220.39560.24660.2466
SKEOUSUM excluded0.17240.17890.09830.0983

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.496 & 0.5305 & 0.4732 & 0.2736 \tabularnewline
ITHSUM excluded & 0.6449 & 0.6449 & 0.4759 & 0.4759 \tabularnewline
TVDC excluded & 0.3822 & 0.3956 & 0.2466 & 0.2466 \tabularnewline
SKEOUSUM excluded & 0.1724 & 0.1789 & 0.0983 & 0.0983 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=317501&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]0.496[/C][C]0.5305[/C][C]0.4732[/C][C]0.2736[/C][/ROW]
[ROW][C]ITHSUM excluded[/C][C]0.6449[/C][C]0.6449[/C][C]0.4759[/C][C]0.4759[/C][/ROW]
[ROW][C]TVDC excluded[/C][C]0.3822[/C][C]0.3956[/C][C]0.2466[/C][C]0.2466[/C][/ROW]
[ROW][C]SKEOUSUM excluded[/C][C]0.1724[/C][C]0.1789[/C][C]0.0983[/C][C]0.0983[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=317501&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=317501&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 itmes0.4960.53050.47320.2736
ITHSUM excluded0.64490.64490.47590.4759
TVDC excluded0.38220.39560.24660.2466
SKEOUSUM excluded0.17240.17890.09830.0983


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 12 ; par2 = Triple ; par3 = additive ; par4 = 12 ;
Parameters (R input):
par1 = 12 ;
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')