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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, 07 Dec 2016 15:17:24 +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/Dec/07/t1481120427qlu8piqwkfba2ii.htm/, Retrieved Tue, 07 May 2024 20:06:53 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=298140, Retrieved Tue, 07 May 2024 20:06:53 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact85

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 multivar...] [2016-12-07 14:17:24] [6b2845a830bced35782aaf33b6e68e42] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5	4	4	4	13
5	NA	4	4	16
4	3	3	2	17
4	3	3	3	15
5	4	4	3	16
5	3	4	3	16
5	4	2	3	18
5	4	2	4	16
5	2	2	4	17
5	1	2	4	17
4	4	3	2	17
5	4	3	2	15
5	4	5	4	16
5	5	4	5	14
4	4	3	4	16
5	1	4	4	17
3	4	4	2	16
5	2	NA	2	15
5	3	4	5	17
5	3	NA	4	16
NA	2	3	1	15
3	1	3	5	16
4	3	2	3	15
4	2	2	4	17
4	NA	3	4	14
5	4	3	2	16
4	4	3	4	15
5	2	4	2	16
4	3	4	3	16
5	4	3	4	13
4	4	4	4	15
4	4	3	4	17
4	3	4	4	15
5	4	3	4	13
5	4	3	4	17
5	4	3	5	15
5	4	3	4	14
2	3	2	4	14
4	3	5	3	18
4	4	3	4	15
4	2	1	4	17
5	3	2	3	13
5	4	2	2	16
5	4	3	5	15
4	3	2	4	15
4	2	3	3	16
5	3	5	4	15
5	3	4	4	13
4	3	2	3	17
4	3	4	4	18
5	3	3	4	18
5	3	3	4	11
5	3	2	4	14
4	5	3	5	13
5	4	2	4	15
5	NA	4	2	17
4	3	NA	4	16
4	4	3	5	15
5	4	1	2	17
5	1	1	3	16
4	4	3	4	16
4	3	NA	3	16
5	3	2	4	15
3	4	3	4	12
3	2	4	4	17
5	4	3	5	14
4	5	4	3	14
4	4	4	4	16
5	4	3	4	15
5	4	4	4	15
4	NA	4	4	14
5	4	3	4	13
4	2	3	4	18
4	4	5	4	15
4	2	2	4	16
5	5	4	4	14
4	5	3	3	15
4	2	3	3	17
4	4	3	2	16
4	3	4	2	10
4	3	4	2	16
2	3	NA	3	17
4	4	5	4	17
4	4	3	4	20
5	3	4	4	17
4	3	3	4	18
5	4	5	4	15
4	4	4	4	17
4	2	4	4	14
3	3	4	2	15
4	3	4	3	17
2	3	2	2	16
4	4	3	3	17
5	4	4	4	15
3	4	3	5	16
4	4	3	4	18
5	5	5	5	18
2	4	3	3	16
5	4	3	4	17
5	4	4	5	15
4	2	2	2	13
4	3	3	3	15
5	3	4	4	17
5	3	4	5	16
4	4	4	4	16
4	4	4	5	15
5	4	NA	5	16
5	4	4	5	16
5	3	3	4	14
4	3	3	4	15
5	3	3	4	12
4	2	NA	4	19
5	3	4	4	16
4	2	2	4	16
5	4	5	5	17
5	5	2	5	16
4	3	2	5	14
4	3	2	4	15
4	3	3	4	14
5	2	3	4	16
5	3	4	5	15
4	3	NA	4	17
4	3	4	4	15
5	4	3	4	16
5	4	4	4	16
4	3	4	2	15
4	4	3	4	15
4	1	3	2	11
4	5	5	4	16
5	4	4	3	18
5	3	3	5	13
4	5	3	2	11
NA	4	3	4	16
4	3	3	3	18
3	4	3	3	15
4	4	2	4	19
5	3	4	5	17
4	2	4	3	13
4	4	4	2	14
5	3	5	5	16
3	3	2	4	13
4	4	2	4	17
1	2	3	2	14
5	3	3	5	19
4	4	2	3	14
5	4	4	3	16
3	3	2	3	12
4	4	3	4	16
4	4	NA	4	16
4	3	3	4	15
4	2	3	4	12
5	4	4	4	15
5	2	2	4	17
5	3	5	5	14
5	4	4	3	15
4	3	3	NA	18
5	2	5	4	15
5	4	2	4	18
4	1	4	5	15
3	5	4	3	15
4	4	4	4	16
4	3	3	2	13
5	4	5	5	16
4	4	3	4	14
4	3	3	3	16

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=298140&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=298140&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298140&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 itmes0.3110.39840.36380.117
KVDD1 excluded0.21960.2920.24970.0935
KVDD2 excluded0.28030.36830.31920.1272
KVDD3 excluded0.23820.32550.2850.1076
KVDD4 excluded0.18530.27320.23330.0859
TVDCSUM excluded0.44670.45140.38980.1706

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.311 & 0.3984 & 0.3638 & 0.117 \tabularnewline
KVDD1 excluded & 0.2196 & 0.292 & 0.2497 & 0.0935 \tabularnewline
KVDD2 excluded & 0.2803 & 0.3683 & 0.3192 & 0.1272 \tabularnewline
KVDD3 excluded & 0.2382 & 0.3255 & 0.285 & 0.1076 \tabularnewline
KVDD4 excluded & 0.1853 & 0.2732 & 0.2333 & 0.0859 \tabularnewline
TVDCSUM excluded & 0.4467 & 0.4514 & 0.3898 & 0.1706 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298140&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]0.311[/C][C]0.3984[/C][C]0.3638[/C][C]0.117[/C][/ROW]
[ROW][C]KVDD1 excluded[/C][C]0.2196[/C][C]0.292[/C][C]0.2497[/C][C]0.0935[/C][/ROW]
[ROW][C]KVDD2 excluded[/C][C]0.2803[/C][C]0.3683[/C][C]0.3192[/C][C]0.1272[/C][/ROW]
[ROW][C]KVDD3 excluded[/C][C]0.2382[/C][C]0.3255[/C][C]0.285[/C][C]0.1076[/C][/ROW]
[ROW][C]KVDD4 excluded[/C][C]0.1853[/C][C]0.2732[/C][C]0.2333[/C][C]0.0859[/C][/ROW]
[ROW][C]TVDCSUM excluded[/C][C]0.4467[/C][C]0.4514[/C][C]0.3898[/C][C]0.1706[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=298140&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298140&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 itmes0.3110.39840.36380.117
KVDD1 excluded0.21960.2920.24970.0935
KVDD2 excluded0.28030.36830.31920.1272
KVDD3 excluded0.23820.32550.2850.1076
KVDD4 excluded0.18530.27320.23330.0859
TVDCSUM excluded0.44670.45140.38980.1706


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 5 ; par2 = Do not include Seasonal Dummies ; par3 = No Linear Trend ; par4 = 0 ; par5 = 0 ;
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')