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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, 15 Oct 2012 15:10:30 -0400
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2012/Oct/15/t1350328249vdb4y0sc6zj5ezu.htm/, Retrieved Tue, 07 May 2024 17:51:30 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=177724, Retrieved Tue, 07 May 2024 17:51:30 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact81

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Cronbach Alpha] [Intrinsic Motivat...] [2010-10-12 11:40:37] [b98453cac15ba1066b407e146608df68]
- R  D    [Cronbach Alpha] [Crombach Alfa - E...] [2012-10-15 19:10:30] [fd3c35a156f52433b5d6e23e16a12a78] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
23	17	23
24	17	20
22	18	20
20	21	21
24	20	24
27	28	22
28	19	23
27	22	20
24	16	25
23	18	23
24	25	27
27	17	27
27	14	22
28	11	24
27	27	25
23	20	22
24	22	28
28	22	28
27	21	27
25	23	25
19	17	16
24	24	28
20	14	21
28	17	24
26	23	27
23	24	14
23	24	14
20	8	27
11	22	20
24	23	21
25	25	22
23	21	21
18	24	12
20	15	20
20	22	24
24	21	19
23	25	28
25	16	23
28	28	27
26	23	22
26	21	27
23	21	26
22	26	22
24	22	21
21	21	19
20	18	24
22	12	19
20	25	26
25	17	22
20	24	28
22	15	21
23	13	23
25	26	28
23	16	10
23	24	24
22	21	21
24	20	21
25	14	24
21	25	24
12	25	25
17	20	25
20	22	23
23	20	21
23	26	16
20	18	17
28	22	25
24	24	24
24	17	23
24	24	25
24	20	23
28	19	28
25	20	26
21	15	22
25	23	19
25	26	26
18	22	18
17	20	18
26	24	25
28	26	27
21	21	12
27	25	15
22	13	21
21	20	23
25	22	22
22	23	21
23	28	24
26	22	27
19	20	22
25	6	28
21	21	26
13	20	10
24	18	19
25	23	22
26	20	21
25	24	24
25	22	25
22	21	21
21	18	20
23	21	21
25	23	24
24	23	23
21	15	18
21	21	24
25	24	24
22	23	19
20	21	20
20	21	18
23	20	20
28	11	27
23	22	23
28	27	26
24	25	23
18	18	17
20	20	21
28	24	25
21	10	23
21	27	27
25	21	24
19	21	20
18	18	27
21	15	21
22	24	24
24	22	21
15	14	15
28	28	25
26	18	25
23	26	22
26	17	24
20	19	21
22	22	22
20	18	23
23	24	22
22	15	20
24	18	23
23	26	25
22	11	23
26	26	22
23	21	25
27	23	26
23	23	22
21	15	24
26	22	24
23	26	25
21	16	20
27	20	26
19	18	21
23	22	26
25	16	21
23	19	22
22	20	16
22	19	26
25	23	28
25	24	18
28	25	25
28	21	23
20	21	21
25	23	20
19	27	25
25	23	22
22	18	21
18	16	16
20	16	18

Tables (Output of Computation)





\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 1 seconds \tabularnewline
R Server & 'Herman Ole Andreas Wold' @ wold.wessa.net \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
R Engine error message & 
Error in array(list(23, 17, 23, 24, 17, 20, 22, 18, 20, 20, 21, 21, 24,  : 
  length of 'dimnames' [1] not equal to array extent
Execution halted

 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=177724&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Herman Ole Andreas Wold' @ wold.wessa.net[/C][/ROW]
[ROW][C]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]
[ROW][C]R Engine error message[/C][C]
Error in array(list(23, 17, 23, 24, 17, 20, 22, 18, 20, 20, 21, 21, 24,  : 
  length of 'dimnames' [1] not equal to array extent
Execution halted

[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=177724&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=177724&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Herman Ole Andreas Wold' @ wold.wessa.net
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.
R Engine error message
Error in array(list(23, 17, 23, 24, 17, 20, 22, 18, 20, 20, 21, 21, 24,  : 
  length of 'dimnames' [1] not equal to array extent
Execution halted


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
R code (references can be found in the software module):
library(psych)
z <- t(y)
(r <- alpha(z))
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')