R version 2.12.0 (2010-10-15)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- array(list(83
+ ,96
+ ,14
+ ,79
+ ,91
+ ,13
+ ,92
+ ,108
+ ,16
+ ,83
+ ,95
+ ,13
+ ,92
+ ,105
+ ,14
+ ,103
+ ,117
+ ,15
+ ,82
+ ,94
+ ,14
+ ,86
+ ,98
+ ,13
+ ,106
+ ,120
+ ,15
+ ,79
+ ,91
+ ,13
+ ,86
+ ,100
+ ,13
+ ,76
+ ,90
+ ,13
+ ,108
+ ,123
+ ,16
+ ,82
+ ,97
+ ,16
+ ,108
+ ,120
+ ,12
+ ,118
+ ,133
+ ,15
+ ,127
+ ,141
+ ,16
+ ,123
+ ,138
+ ,16
+ ,72
+ ,85
+ ,12
+ ,105
+ ,121
+ ,16
+ ,63
+ ,74
+ ,13
+ ,86
+ ,100
+ ,14
+ ,58
+ ,67
+ ,11
+ ,59
+ ,73
+ ,12
+ ,100
+ ,116
+ ,15
+ ,100
+ ,115
+ ,15
+ ,78
+ ,92
+ ,14
+ ,94
+ ,109
+ ,15
+ ,105
+ ,120
+ ,15
+ ,89
+ ,105
+ ,15
+ ,101
+ ,115
+ ,16
+ ,92
+ ,105
+ ,15
+ ,105
+ ,122
+ ,16
+ ,76
+ ,87
+ ,12
+ ,80
+ ,94
+ ,16
+ ,66
+ ,78
+ ,12
+ ,117
+ ,135
+ ,18
+ ,94
+ ,113
+ ,18
+ ,107
+ ,123
+ ,15
+ ,110
+ ,126
+ ,17
+ ,110
+ ,127
+ ,17
+ ,106
+ ,120
+ ,16
+ ,94
+ ,108
+ ,14
+ ,71
+ ,83
+ ,14
+ ,101
+ ,117
+ ,15
+ ,84
+ ,96
+ ,14
+ ,89
+ ,103
+ ,14
+ ,119
+ ,134
+ ,17
+ ,97
+ ,112
+ ,15
+ ,82
+ ,93
+ ,14
+ ,89
+ ,103
+ ,15
+ ,70
+ ,84
+ ,14
+ ,101
+ ,116
+ ,15
+ ,81
+ ,97
+ ,15
+ ,74
+ ,87
+ ,14
+ ,107
+ ,122
+ ,15
+ ,97
+ ,111
+ ,14
+ ,83
+ ,101
+ ,16
+ ,95
+ ,109
+ ,15
+ ,82
+ ,96
+ ,15
+ ,88
+ ,100
+ ,14
+ ,74
+ ,90
+ ,16
+ ,104
+ ,120
+ ,16
+ ,73
+ ,86
+ ,13
+ ,73
+ ,85
+ ,13
+ ,81
+ ,96
+ ,15
+ ,79
+ ,93
+ ,14
+ ,83
+ ,95
+ ,13
+ ,111
+ ,127
+ ,17
+ ,138
+ ,156
+ ,18
+ ,81
+ ,94
+ ,13
+ ,107
+ ,123
+ ,16
+ ,66
+ ,80
+ ,13
+ ,81
+ ,98
+ ,15
+ ,74
+ ,88
+ ,15
+ ,96
+ ,109
+ ,13
+ ,86
+ ,98
+ ,14
+ ,69
+ ,83
+ ,14
+ ,73
+ ,85
+ ,14
+ ,71
+ ,85
+ ,15
+ ,64
+ ,76
+ ,12
+ ,79
+ ,96
+ ,16
+ ,60
+ ,72
+ ,13
+ ,111
+ ,125
+ ,15
+ ,107
+ ,121
+ ,16
+ ,90
+ ,103
+ ,14
+ ,98
+ ,113
+ ,17
+ ,77
+ ,89
+ ,12
+ ,93
+ ,108
+ ,16
+ ,68
+ ,80
+ ,13
+ ,74
+ ,87
+ ,13
+ ,70
+ ,84
+ ,14
+ ,80
+ ,93
+ ,14
+ ,81
+ ,94
+ ,13
+ ,72
+ ,87
+ ,15
+ ,81
+ ,95
+ ,15
+ ,92
+ ,106
+ ,15
+ ,81
+ ,94
+ ,12)
+ ,dim=c(3
+ ,98)
+ ,dimnames=list(c('Gewicht'
+ ,'Cholesterol'
+ ,'Bloeddruk')
+ ,1:98))
>  y <- array(NA,dim=c(3,98),dimnames=list(c('Gewicht','Cholesterol','Bloeddruk'),1:98))
>  for (i in 1:dim(x)[1])
+  {
+  	for (j in 1:dim(x)[2])
+  	{
+  		y[i,j] <- as.numeric(x[i,j])
+  	}
+  }
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Dr. Ian E. Holliday
> #To cite this work: Ian E. Holliday, 2009, YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: 
> #Technical description: 
> library(psych)
> z <- t(y)
> (r <- alpha(z))

Reliability analysis   
Call: alpha(x = z)

  raw_alpha std.alpha G6(smc) average_r mean sd
      0.79      0.92    0.97       0.8   69 12

 Reliability if an item is dropped:
            raw_alpha std.alpha G6(smc) average_r
Gewicht          0.22      0.84    0.72      0.72
Cholesterol      0.22      0.81    0.68      0.68
Bloeddruk        1.00      1.00    1.00      1.00

 Item statistics 
             n    r r.cor r.drop mean   sd
Gewicht     98 0.96  0.97    1.0   89 16.3
Cholesterol 98 0.97  0.99    1.0  103 17.3
Bloeddruk   98 0.86  0.78    0.7   15  1.5
> 
> #Note: the /var/www/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/rcomp/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="/var/www/rcomp/tmp/1ln5v1324115061.tab") 
> 
> 
> 
> proc.time()
   user  system elapsed 
  0.390   0.040   0.417