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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 computationMon, 30 Apr 2018 16:44:30 +0200
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2018/Apr/30/t1525099587if5mea426ypkha2.htm/, Retrieved Sun, 05 May 2024 07:32:25 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=315059, Retrieved Sun, 05 May 2024 07:32:25 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact152

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [] [2018-04-30 14:44:30] [d41d8cd98f00b204e9800998ecf8427e] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
3	4	3	3	4
2	3	2	4	4
4	4	3	4	5
4	4	4	4	4
4	5	3	5	5
5	5	5	2	4
4	4	2	2	2
4	4	3	4	4
5	5	5	5	5
4	5	5	4	4
4	2	4	5	4
3	3	2	3	3
4	4	4	5	3
4	4	3	4	4
4	4	3	4	4
5	5	3	3	5
5	5	4	5	5
4	4	2	4	4
5	4	4	4	4
4	2	1	4	3
2	4	1	4	4
4	5	2	3	2
4	4	4	4	4
4	4	4	3	4
4	4	3	4	3
4	4	2	3	2
4	4	4	4	4
4	4	3	4	4
4	4	2	4	2
4	4	4	3	3
4	4	3	4	4
3	4	3	3	3
4	4	3	4	4
4	4	2	3	2
4	5	2	4	4
5	5	2	4	3
4	4	3	4	4
4	4	2	2	2
4	4	4	4	4
4	4	2	4	4
5	5	4	3	4
5	4	3	3	4
4	4	4	3	3
4	4	2	4	3
4	4	3	4	4
4	3	2	3	3
3	5	3	5	5
5	5	5	3	3
4	5	4	4	4
2	4	1	3	4
4	4	1	3	2
4	4	3	4	3
5	5	5	2	4
4	4	2	2	2
5	4	3	3	2
5	5	3	5	4
4	4	2	4	3
5	5	4	1	4
5	5	3	5	4
5	5	4	4	4
4	4	4	3	2
4	5	2	4	4
2	4	2	2	2
2	4	2	2	2
4	4	3	4	3
4	3	2	3	3
4	4	5	3	4
4	4	2	4	5
4	4	3	4	4
4	4	2	3	2
4	4	3	3	4
4	4	3	2	4
4	4	3	3	2
4	4	2	4	4
5	5	4	5	4
4	4	4	3	4
2	3	3	4	3
3	4	3	3	3
4	5	3	3	4
4	4	2	1	2
4	4	2	2	2
2	4	3	2	2
4	4	2	4	2
3	4	3	3	4
4	4	4	4	4
4	4	3	2	4
4	4	2	4	4
4	5	2	5	5
5	5	2	4	4
5	4	5	4	4
4	5	2	2	4
4	4	2	4	2
4	4	2	2	2
5	5	2	5	4
3	2	2	2	3
4	4	2	4	2
4	4	3	3	4
4	4	4	4	4
4	4	3	4	3
5	5	1	1	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=315059&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=315059&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=315059&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 itmes0.65370.66060.66740.2802
k1 excluded0.6080.60280.5790.2751
k2 excluded0.62550.62260.60380.292
k3 excluded0.59380.59990.59470.2727
k4 excluded0.63820.6520.61440.3189
k5 excluded0.52840.56140.52150.2424

\begin{tabular}{lllllllll}
\hline
Cronbach Alpha and Related Statistics \tabularnewline
Items & Cronbach Alpha & Std. Alpha & G6(smc) & Average R \tabularnewline
All itmes & 0.6537 & 0.6606 & 0.6674 & 0.2802 \tabularnewline
k1 excluded & 0.608 & 0.6028 & 0.579 & 0.2751 \tabularnewline
k2 excluded & 0.6255 & 0.6226 & 0.6038 & 0.292 \tabularnewline
k3 excluded & 0.5938 & 0.5999 & 0.5947 & 0.2727 \tabularnewline
k4 excluded & 0.6382 & 0.652 & 0.6144 & 0.3189 \tabularnewline
k5 excluded & 0.5284 & 0.5614 & 0.5215 & 0.2424 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=315059&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]0.6537[/C][C]0.6606[/C][C]0.6674[/C][C]0.2802[/C][/ROW]
[ROW][C]k1 excluded[/C][C]0.608[/C][C]0.6028[/C][C]0.579[/C][C]0.2751[/C][/ROW]
[ROW][C]k2 excluded[/C][C]0.6255[/C][C]0.6226[/C][C]0.6038[/C][C]0.292[/C][/ROW]
[ROW][C]k3 excluded[/C][C]0.5938[/C][C]0.5999[/C][C]0.5947[/C][C]0.2727[/C][/ROW]
[ROW][C]k4 excluded[/C][C]0.6382[/C][C]0.652[/C][C]0.6144[/C][C]0.3189[/C][/ROW]
[ROW][C]k5 excluded[/C][C]0.5284[/C][C]0.5614[/C][C]0.5215[/C][C]0.2424[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=315059&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=315059&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 itmes0.65370.66060.66740.2802
k1 excluded0.6080.60280.5790.2751
k2 excluded0.62550.62260.60380.292
k3 excluded0.59380.59990.59470.2727
k4 excluded0.63820.6520.61440.3189
k5 excluded0.52840.56140.52150.2424


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')