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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 computationMon, 12 Dec 2016 21:06:26 +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/12/t1481573312v1j90wuuys5xbjd.htm/, Retrieved Fri, 01 Nov 2024 03:45:44 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=298984, Retrieved Fri, 01 Nov 2024 03:45:44 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywordsCronbach Alpha ITH
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] [Cronbach Alpha ITH] [2016-12-12 20:06:26] [7a1d1ad32a278442444f0033012c5937] [Current]
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Dataset

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

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
R Framework error message
Warning: there are blank lines in the 'Data X' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.

\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
R Framework error message & 
Warning: there are blank lines in the 'Data X' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.
 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298984&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] [ROW]R Framework error message[/C][C]
Warning: there are blank lines in the 'Data X' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.
[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=298984&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298984&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
R Framework error message
Warning: there are blank lines in the 'Data X' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.






Cronbach Alpha and Related Statistics
ItemsCronbach AlphaStd. AlphaG6(smc)Average R
All itmes0.74550.75280.70540.4322
ITH1 excluded0.63320.64460.55350.3767
ITH2 excluded0.69430.69840.62180.4357
ITH3 excluded0.65920.67140.58850.4052
ITH4 excluded0.75560.75830.68040.5112

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.7455 & 0.7528 & 0.7054 & 0.4322 \tabularnewline
ITH1 excluded & 0.6332 & 0.6446 & 0.5535 & 0.3767 \tabularnewline
ITH2 excluded & 0.6943 & 0.6984 & 0.6218 & 0.4357 \tabularnewline
ITH3 excluded & 0.6592 & 0.6714 & 0.5885 & 0.4052 \tabularnewline
ITH4 excluded & 0.7556 & 0.7583 & 0.6804 & 0.5112 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298984&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]0.7455[/C][C]0.7528[/C][C]0.7054[/C][C]0.4322[/C][/ROW]
[ROW][C]ITH1 excluded[/C][C]0.6332[/C][C]0.6446[/C][C]0.5535[/C][C]0.3767[/C][/ROW]
[ROW][C]ITH2 excluded[/C][C]0.6943[/C][C]0.6984[/C][C]0.6218[/C][C]0.4357[/C][/ROW]
[ROW][C]ITH3 excluded[/C][C]0.6592[/C][C]0.6714[/C][C]0.5885[/C][C]0.4052[/C][/ROW]
[ROW][C]ITH4 excluded[/C][C]0.7556[/C][C]0.7583[/C][C]0.6804[/C][C]0.5112[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=298984&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298984&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 itmes0.74550.75280.70540.4322
ITH1 excluded0.63320.64460.55350.3767
ITH2 excluded0.69430.69840.62180.4357
ITH3 excluded0.65920.67140.58850.4052
ITH4 excluded0.75560.75830.68040.5112


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')