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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 computationTue, 22 Oct 2013 13:44:23 -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/2013/Oct/22/t1382463881qxxxfsigh793ukn.htm/, Retrieved Mon, 29 Apr 2024 05:41:22 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=218628, Retrieved Mon, 29 Apr 2024 05:41:22 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact65

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Cronbach Alpha] [WS3: V2 - E3] [2013-10-22 17:44:23] [0af71617a8b1f082fed242286206dd2f] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
7 7 4 5 4
6 6 6 6 6
6 6 5 5 5
5 6 4 5 4
6 6 6 6 6
7 7 6 7 6
7 7 7 7 7
7 7 6 7 6
7 6 5 6 5
6 6 5 6 5
4 7 7 6 7
6 7 7 7 7
6 7 7 7 7
7 7 7 7 7
6 7 7 7 7
6 6 6 5 6
4 7 6 7 6
7 7 7 7 7
7 7 7 6 7
6 7 6 6 6
3 5 5 6 5
7 4 7 6 7
5 6 5 4 5
7 7 7 7 7
6 7 6 7 6
5 7 6 5 6
5 7 6 5 6
6 6 2 6 2
5 2 2 2 2
6 6 5 7 5
6 7 6 6 6
5 6 6 6 6
4 4 4 6 4
5 5 4 6 4
4 5 5 6 5
6 6 6 6 6
6 7 5 5 5
7 6 6 6 6
7 7 7 7 7
7 6 7 6 7
7 7 5 7 5
5 6 6 6 6
6 5 5 6 5
6 6 6 6 6
3 7 5 6 5
6 5 4 5 4
5 6 5 6 5
4 5 6 5 6
6 6 6 7 6
6 6 3 5 3
6 6 4 6 4
5 7 6 5 6
6 6 6 7 6
5 6 5 7 5
7 5 5 6 5
6 5 5 6 5
6 6 6 6 6
7 7 6 5 6
4 5 6 6 6
3 4 4 1 4
4 6 3 4 3
4 6 5 5 5
5 7 5 6 5
4 5 7 7 7
6 5 5 4 5
7 7 7 7 7
6 6 6 6 6
6 7 6 5 6
6 6 6 6 6
6 6 6 6 6
7 7 7 7 7
6 7 6 6 6
6 6 5 4 5
6 6 7 6 7
7 6 6 6 6
5 4 4 5 4
4 4 4 5 4
7 7 6 6 6
7 7 7 7 7
6 4 6 5 6
7 7 6 7 6
6 6 5 5 5
5 6 5 5 5
7 6 5 7 5
6 6 5 5 5
5 7 6 5 6
6 6 7 7 7
5 4 5 5 5
7 7 7 4 7
6 6 3 6 3
2 2 4 5 4
5 6 6 7 6
7 6 7 5 7
7 6 7 6 7
7 6 6 6 6
7 7 7 4 7
6 6 4 6 4
5 6 5 5 5
6 6 5 6 5
6 6 7 6 7
5 7 6 6 6
7 7 3 4 3
5 5 5 6 5
6 6 6 7 6
5 7 5 5 5
5 5 5 5 5
5 5 5 5 5
5 6 5 7 5
7 7 7 7 7
6 6 6 5 6
7 7 7 7 7
6 6 6 6 6
5 5 4 4 4
5 5 5 5 5
7 7 7 7 7
6 5 5 5 5
5 6 6 4 6
7 7 5 6 5
4 6 2 7 2
3 6 4 5 4
7 4 5 5 5
5 6 5 6 5
6 5 6 7 6
4 4 4 3 4
7 7 7 7 7
7 7 6 6 6
5 6 6 6 6
7 7 6 6 6
3 6 5 6 5
6 5 5 6 5
5 5 5 5 5
5 6 6 6 6
6 6 4 6 4
5 7 6 6 6
6 6 5 6 5
6 5 5 6 5
7 7 5 7 5
5 5 6 7 6
7 7 7 6 7
6 5 6 6 6
6 5 5 5 5
7 7 6 6 6
7 4 6 6 6
5 6 4 6 4
7 7 6 7 6
5 5 4 5 4
6 5 6 6 6
7 6 6 6 6
6 5 6 6 6
5 6 5 6 5
6 7 5 4 5
7 7 5 6 5
6 7 6 6 6
7 7 7 7 7
7 7 7 7 7
6 4 4 6 4
6 7 6 6 6
4 7 4 4 4
7 6 7 5 7
6 6 4 6 4
4 5 4 5 4
5 5 5 5 5

Tables (Output of Computation)






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')