R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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+ ,16541
+ ,63891
+ ,67
+ ,63)
+ ,dim=c(15
+ ,164)
+ ,dimnames=list(c('#Pageviews'
+ ,'TotalTimeRFC'
+ ,'#Logins'
+ ,'#CourseCompendiumViews'
+ ,'PeerReviews'
+ ,'SharedCompendiums'
+ ,'BloggedComputations'
+ ,'ReviewedCompendiums'
+ ,'FeedbackMessagesPR'
+ ,'FBPR+120'
+ ,'#NumberOFcharacters'
+ ,'#Revisions'
+ ,'CompendiumWritingTime'
+ ,'#Hyperlinks'
+ ,'#IncludedBlogs')
+ ,1:164))
>  y <- array(NA,dim=c(15,164),dimnames=list(c('#Pageviews','TotalTimeRFC','#Logins','#CourseCompendiumViews','PeerReviews','SharedCompendiums','BloggedComputations','ReviewedCompendiums','FeedbackMessagesPR','FBPR+120','#NumberOFcharacters','#Revisions','CompendiumWritingTime','#Hyperlinks','#IncludedBlogs'),1:164))
>  for (i in 1:dim(x)[1])
+  {
+  	for (j in 1:dim(x)[2])
+  	{
+  		y[i,j] <- as.numeric(x[i,j])
+  	}
+  }
> par4 = 'no'
> par3 = '2'
> par2 = 'quantiles'
> par1 = '5'
> library(party)
Loading required package: survival
Loading required package: splines
Loading required package: grid
Loading required package: modeltools
Loading required package: stats4
Loading required package: coin
Loading required package: mvtnorm
Loading required package: zoo
Loading required package: sandwich
Loading required package: strucchange
Loading required package: vcd
Loading required package: MASS
Loading required package: colorspace
> library(Hmisc)

Attaching package: 'Hmisc'

The following object(s) are masked from 'package:survival':

    untangle.specials

The following object(s) are masked from 'package:base':

    format.pval, round.POSIXt, trunc.POSIXt, units

> par1 <- as.numeric(par1)
> par3 <- as.numeric(par3)
> x <- data.frame(t(y))
> is.data.frame(x)
[1] TRUE
> x <- x[!is.na(x[,par1]),]
> k <- length(x[1,])
> n <- length(x[,1])
> colnames(x)[par1]
[1] "PeerReviews"
> x[,par1]
  [1]  85  58  51 131  44  42  94  46  71  65  74  55  55  98  41 115  45  80
 [19]  37  50  93  93  56  57 138  67  88  54  47 121  44  73  49  36  61  77
 [37]  69  63  36  39  34  65  78  67  82 780  57  72 112  61  39  20  73  21
 [55]  70 118  72 196  58  67  60 138  69  45  54  55  46  84  71  56  55  39
 [73]  52  94  57  82  42  45  52  63  38 108  45  53  31 169  60 271  84  63
 [91]  54  65  80  84 115  60  62  57 121  69  60  81 100  43  72  61 101  50
[109]  32  74  54  65   9  45  25 102  59   2  56  22 146  63  91  46  52  98
[127] 105  57 126 120 104  44  48 143 146  91 129  67  74 168  69  99  61  37
[145]  51 121  48  52   0   0   0   0   0   0  51  98   0   0   0   7   3  80
[163]   0  43
> if (par2 == 'kmeans') {
+ cl <- kmeans(x[,par1], par3)
+ print(cl)
+ clm <- matrix(cbind(cl$centers,1:par3),ncol=2)
+ clm <- clm[sort.list(clm[,1]),]
+ for (i in 1:par3) {
+ cl$cluster[cl$cluster==clm[i,2]] <- paste('C',i,sep='')
+ }
+ cl$cluster <- as.factor(cl$cluster)
+ print(cl$cluster)
+ x[,par1] <- cl$cluster
+ }
> if (par2 == 'quantiles') {
+ x[,par1] <- cut2(x[,par1],g=par3)
+ }
> if (par2 == 'hclust') {
+ hc <- hclust(dist(x[,par1])^2, 'cen')
+ print(hc)
+ memb <- cutree(hc, k = par3)
+ dum <- c(mean(x[memb==1,par1]))
+ for (i in 2:par3) {
+ dum <- c(dum, mean(x[memb==i,par1]))
+ }
+ hcm <- matrix(cbind(dum,1:par3),ncol=2)
+ hcm <- hcm[sort.list(hcm[,1]),]
+ for (i in 1:par3) {
+ memb[memb==hcm[i,2]] <- paste('C',i,sep='')
+ }
+ memb <- as.factor(memb)
+ print(memb)
+ x[,par1] <- memb
+ }
> if (par2=='equal') {
+ ed <- cut(as.numeric(x[,par1]),par3,labels=paste('C',1:par3,sep=''))
+ x[,par1] <- as.factor(ed)
+ }
> table(x[,par1])

[ 0, 61) [61,780] 
      82       82 
> colnames(x)
 [1] "X.Pageviews"             "TotalTimeRFC"           
 [3] "X.Logins"                "X.CourseCompendiumViews"
 [5] "PeerReviews"             "SharedCompendiums"      
 [7] "BloggedComputations"     "ReviewedCompendiums"    
 [9] "FeedbackMessagesPR"      "FBPR.120"               
[11] "X.NumberOFcharacters"    "X.Revisions"            
[13] "CompendiumWritingTime"   "X.Hyperlinks"           
[15] "X.IncludedBlogs"        
> colnames(x)[par1]
[1] "PeerReviews"
> x[,par1]
  [1] [61,780] [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [ 0, 61) [61,780] [ 0, 61)
  [9] [61,780] [61,780] [61,780] [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [61,780]
 [17] [ 0, 61) [61,780] [ 0, 61) [ 0, 61) [61,780] [61,780] [ 0, 61) [ 0, 61)
 [25] [61,780] [61,780] [61,780] [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [61,780]
 [33] [ 0, 61) [ 0, 61) [61,780] [61,780] [61,780] [61,780] [ 0, 61) [ 0, 61)
 [41] [ 0, 61) [61,780] [61,780] [61,780] [61,780] [61,780] [ 0, 61) [61,780]
 [49] [61,780] [61,780] [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [61,780] [61,780]
 [57] [61,780] [61,780] [ 0, 61) [61,780] [ 0, 61) [61,780] [61,780] [ 0, 61)
 [65] [ 0, 61) [ 0, 61) [ 0, 61) [61,780] [61,780] [ 0, 61) [ 0, 61) [ 0, 61)
 [73] [ 0, 61) [61,780] [ 0, 61) [61,780] [ 0, 61) [ 0, 61) [ 0, 61) [61,780]
 [81] [ 0, 61) [61,780] [ 0, 61) [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [61,780]
 [89] [61,780] [61,780] [ 0, 61) [61,780] [61,780] [61,780] [61,780] [ 0, 61)
 [97] [61,780] [ 0, 61) [61,780] [61,780] [ 0, 61) [61,780] [61,780] [ 0, 61)
[105] [61,780] [61,780] [61,780] [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [61,780]
[113] [ 0, 61) [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [ 0, 61) [ 0, 61) [ 0, 61)
[121] [61,780] [61,780] [61,780] [ 0, 61) [ 0, 61) [61,780] [61,780] [ 0, 61)
[129] [61,780] [61,780] [61,780] [ 0, 61) [ 0, 61) [61,780] [61,780] [61,780]
[137] [61,780] [61,780] [61,780] [61,780] [61,780] [61,780] [61,780] [ 0, 61)
[145] [ 0, 61) [61,780] [ 0, 61) [ 0, 61) [ 0, 61) [ 0, 61) [ 0, 61) [ 0, 61)
[153] [ 0, 61) [ 0, 61) [ 0, 61) [61,780] [ 0, 61) [ 0, 61) [ 0, 61) [ 0, 61)
[161] [ 0, 61) [61,780] [ 0, 61) [ 0, 61)
Levels: [ 0, 61) [61,780]
> if (par2 == 'none') {
+ m <- ctree(as.formula(paste(colnames(x)[par1],' ~ .',sep='')),data = x)
+ }
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/rcomp/createtable")
> 
> if (par2 != 'none') {
+ m <- ctree(as.formula(paste('as.factor(',colnames(x)[par1],') ~ .',sep='')),data = x)
+ if (par4=='yes') {
+ a<-table.start()
+ a<-table.row.start(a)
+ a<-table.element(a,'10-Fold Cross Validation',3+2*par3,TRUE)
+ a<-table.row.end(a)
+ a<-table.row.start(a)
+ a<-table.element(a,'',1,TRUE)
+ a<-table.element(a,'Prediction (training)',par3+1,TRUE)
+ a<-table.element(a,'Prediction (testing)',par3+1,TRUE)
+ a<-table.row.end(a)
+ a<-table.row.start(a)
+ a<-table.element(a,'Actual',1,TRUE)
+ for (jjj in 1:par3) a<-table.element(a,paste('C',jjj,sep=''),1,TRUE)
+ a<-table.element(a,'CV',1,TRUE)
+ for (jjj in 1:par3) a<-table.element(a,paste('C',jjj,sep=''),1,TRUE)
+ a<-table.element(a,'CV',1,TRUE)
+ a<-table.row.end(a)
+ for (i in 1:10) {
+ ind <- sample(2, nrow(x), replace=T, prob=c(0.9,0.1))
+ m.ct <- ctree(as.formula(paste('as.factor(',colnames(x)[par1],') ~ .',sep='')),data =x[ind==1,])
+ if (i==1) {
+ m.ct.i.pred <- predict(m.ct, newdata=x[ind==1,])
+ m.ct.i.actu <- x[ind==1,par1]
+ m.ct.x.pred <- predict(m.ct, newdata=x[ind==2,])
+ m.ct.x.actu <- x[ind==2,par1]
+ } else {
+ m.ct.i.pred <- c(m.ct.i.pred,predict(m.ct, newdata=x[ind==1,]))
+ m.ct.i.actu <- c(m.ct.i.actu,x[ind==1,par1])
+ m.ct.x.pred <- c(m.ct.x.pred,predict(m.ct, newdata=x[ind==2,]))
+ m.ct.x.actu <- c(m.ct.x.actu,x[ind==2,par1])
+ }
+ }
+ print(m.ct.i.tab <- table(m.ct.i.actu,m.ct.i.pred))
+ numer <- 0
+ for (i in 1:par3) {
+ print(m.ct.i.tab[i,i] / sum(m.ct.i.tab[i,]))
+ numer <- numer + m.ct.i.tab[i,i]
+ }
+ print(m.ct.i.cp <- numer / sum(m.ct.i.tab))
+ print(m.ct.x.tab <- table(m.ct.x.actu,m.ct.x.pred))
+ numer <- 0
+ for (i in 1:par3) {
+ print(m.ct.x.tab[i,i] / sum(m.ct.x.tab[i,]))
+ numer <- numer + m.ct.x.tab[i,i]
+ }
+ print(m.ct.x.cp <- numer / sum(m.ct.x.tab))
+ for (i in 1:par3) {
+ a<-table.row.start(a)
+ a<-table.element(a,paste('C',i,sep=''),1,TRUE)
+ for (jjj in 1:par3) a<-table.element(a,m.ct.i.tab[i,jjj])
+ a<-table.element(a,round(m.ct.i.tab[i,i]/sum(m.ct.i.tab[i,]),4))
+ for (jjj in 1:par3) a<-table.element(a,m.ct.x.tab[i,jjj])
+ a<-table.element(a,round(m.ct.x.tab[i,i]/sum(m.ct.x.tab[i,]),4))
+ a<-table.row.end(a)
+ }
+ a<-table.row.start(a)
+ a<-table.element(a,'Overall',1,TRUE)
+ for (jjj in 1:par3) a<-table.element(a,'-')
+ a<-table.element(a,round(m.ct.i.cp,4))
+ for (jjj in 1:par3) a<-table.element(a,'-')
+ a<-table.element(a,round(m.ct.x.cp,4))
+ a<-table.row.end(a)
+ a<-table.end(a)
+ table.save(a,file="/var/wessaorg/rcomp/tmp/1m4b61323878723.tab") 
+ }
+ }
> m

	 Conditional inference tree with 2 terminal nodes

Response:  as.factor(PeerReviews) 
Inputs:  X.Pageviews, TotalTimeRFC, X.Logins, X.CourseCompendiumViews, SharedCompendiums, BloggedComputations, ReviewedCompendiums, FeedbackMessagesPR, FBPR.120, X.NumberOFcharacters, X.Revisions, CompendiumWritingTime, X.Hyperlinks, X.IncludedBlogs 
Number of observations:  164 

1) X.Pageviews <= 1360; criterion = 1, statistic = 45.425
  2)*  weights = 42 
1) X.Pageviews > 1360
  3)*  weights = 122 
> postscript(file="/var/wessaorg/rcomp/tmp/2fuaa1323878723.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(m)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/3ws921323878723.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(x[,par1] ~ as.factor(where(m)),main='Response by Terminal Node',xlab='Terminal Node',ylab='Response')
> dev.off()
null device 
          1 
> if (par2 == 'none') {
+ forec <- predict(m)
+ result <- as.data.frame(cbind(x[,par1],forec,x[,par1]-forec))
+ colnames(result) <- c('Actuals','Forecasts','Residuals')
+ print(result)
+ }
> if (par2 != 'none') {
+ print(cbind(as.factor(x[,par1]),predict(m)))
+ myt <- table(as.factor(x[,par1]),predict(m))
+ print(myt)
+ }
       [,1] [,2]
  [1,]    2    2
  [2,]    1    1
  [3,]    1    2
  [4,]    2    2
  [5,]    1    1
  [6,]    1    1
  [7,]    2    2
  [8,]    1    1
  [9,]    2    2
 [10,]    2    2
 [11,]    2    2
 [12,]    1    2
 [13,]    1    2
 [14,]    2    2
 [15,]    1    2
 [16,]    2    2
 [17,]    1    2
 [18,]    2    2
 [19,]    1    1
 [20,]    1    2
 [21,]    2    2
 [22,]    2    2
 [23,]    1    1
 [24,]    1    2
 [25,]    2    2
 [26,]    2    2
 [27,]    2    2
 [28,]    1    2
 [29,]    1    1
 [30,]    2    2
 [31,]    1    2
 [32,]    2    2
 [33,]    1    2
 [34,]    1    1
 [35,]    2    2
 [36,]    2    2
 [37,]    2    2
 [38,]    2    2
 [39,]    1    1
 [40,]    1    2
 [41,]    1    2
 [42,]    2    2
 [43,]    2    2
 [44,]    2    2
 [45,]    2    2
 [46,]    2    2
 [47,]    1    1
 [48,]    2    2
 [49,]    2    2
 [50,]    2    2
 [51,]    1    2
 [52,]    1    1
 [53,]    2    2
 [54,]    1    1
 [55,]    2    1
 [56,]    2    2
 [57,]    2    2
 [58,]    2    2
 [59,]    1    2
 [60,]    2    2
 [61,]    1    2
 [62,]    2    2
 [63,]    2    2
 [64,]    1    2
 [65,]    1    1
 [66,]    1    2
 [67,]    1    2
 [68,]    2    2
 [69,]    2    2
 [70,]    1    2
 [71,]    1    2
 [72,]    1    1
 [73,]    1    2
 [74,]    2    2
 [75,]    1    2
 [76,]    2    2
 [77,]    1    2
 [78,]    1    2
 [79,]    1    2
 [80,]    2    2
 [81,]    1    2
 [82,]    2    2
 [83,]    1    1
 [84,]    1    2
 [85,]    1    1
 [86,]    2    2
 [87,]    1    1
 [88,]    2    2
 [89,]    2    2
 [90,]    2    2
 [91,]    1    2
 [92,]    2    2
 [93,]    2    2
 [94,]    2    2
 [95,]    2    2
 [96,]    1    2
 [97,]    2    2
 [98,]    1    2
 [99,]    2    2
[100,]    2    2
[101,]    1    2
[102,]    2    2
[103,]    2    2
[104,]    1    1
[105,]    2    2
[106,]    2    2
[107,]    2    2
[108,]    1    2
[109,]    1    1
[110,]    2    2
[111,]    1    2
[112,]    2    2
[113,]    1    1
[114,]    1    2
[115,]    1    1
[116,]    2    2
[117,]    1    2
[118,]    1    1
[119,]    1    2
[120,]    1    1
[121,]    2    2
[122,]    2    2
[123,]    2    2
[124,]    1    1
[125,]    1    1
[126,]    2    2
[127,]    2    2
[128,]    1    1
[129,]    2    2
[130,]    2    2
[131,]    2    2
[132,]    1    1
[133,]    1    1
[134,]    2    2
[135,]    2    2
[136,]    2    2
[137,]    2    2
[138,]    2    2
[139,]    2    2
[140,]    2    2
[141,]    2    2
[142,]    2    2
[143,]    2    2
[144,]    1    2
[145,]    1    2
[146,]    2    2
[147,]    1    2
[148,]    1    2
[149,]    1    1
[150,]    1    1
[151,]    1    1
[152,]    1    1
[153,]    1    1
[154,]    1    1
[155,]    1    2
[156,]    2    2
[157,]    1    1
[158,]    1    1
[159,]    1    1
[160,]    1    1
[161,]    1    1
[162,]    2    1
[163,]    1    1
[164,]    1    2
          
           [ 0, 61) [61,780]
  [ 0, 61)       40       42
  [61,780]        2       80
> postscript(file="/var/wessaorg/rcomp/tmp/4lb1s1323878723.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> if(par2=='none') {
+ op <- par(mfrow=c(2,2))
+ plot(density(result$Actuals),main='Kernel Density Plot of Actuals')
+ plot(density(result$Residuals),main='Kernel Density Plot of Residuals')
+ plot(result$Forecasts,result$Actuals,main='Actuals versus Predictions',xlab='Predictions',ylab='Actuals')
+ plot(density(result$Forecasts),main='Kernel Density Plot of Predictions')
+ par(op)
+ }
> if(par2!='none') {
+ plot(myt,main='Confusion Matrix',xlab='Actual',ylab='Predicted')
+ }
> dev.off()
null device 
          1 
> if (par2 == 'none') {
+ detcoef <- cor(result$Forecasts,result$Actuals)
+ a<-table.start()
+ a<-table.row.start(a)
+ a<-table.element(a,'Goodness of Fit',2,TRUE)
+ a<-table.row.end(a)
+ a<-table.row.start(a)
+ a<-table.element(a,'Correlation',1,TRUE)
+ a<-table.element(a,round(detcoef,4))
+ a<-table.row.end(a)
+ a<-table.row.start(a)
+ a<-table.element(a,'R-squared',1,TRUE)
+ a<-table.element(a,round(detcoef*detcoef,4))
+ a<-table.row.end(a)
+ a<-table.row.start(a)
+ a<-table.element(a,'RMSE',1,TRUE)
+ a<-table.element(a,round(sqrt(mean((result$Residuals)^2)),4))
+ a<-table.row.end(a)
+ a<-table.end(a)
+ table.save(a,file="/var/wessaorg/rcomp/tmp/5kj4l1323878723.tab") 
+ a<-table.start()
+ a<-table.row.start(a)
+ a<-table.element(a,'Actuals, Predictions, and Residuals',4,TRUE)
+ a<-table.row.end(a)
+ a<-table.row.start(a)
+ a<-table.element(a,'#',header=TRUE)
+ a<-table.element(a,'Actuals',header=TRUE)
+ a<-table.element(a,'Forecasts',header=TRUE)
+ a<-table.element(a,'Residuals',header=TRUE)
+ a<-table.row.end(a)
+ for (i in 1:length(result$Actuals)) {
+ a<-table.row.start(a)
+ a<-table.element(a,i,header=TRUE)
+ a<-table.element(a,result$Actuals[i])
+ a<-table.element(a,result$Forecasts[i])
+ a<-table.element(a,result$Residuals[i])
+ a<-table.row.end(a)
+ }
+ a<-table.end(a)
+ table.save(a,file="/var/wessaorg/rcomp/tmp/620fx1323878723.tab") 
+ }
> if (par2 != 'none') {
+ a<-table.start()
+ a<-table.row.start(a)
+ a<-table.element(a,'Confusion Matrix (predicted in columns / actuals in rows)',par3+1,TRUE)
+ a<-table.row.end(a)
+ a<-table.row.start(a)
+ a<-table.element(a,'',1,TRUE)
+ for (i in 1:par3) {
+ a<-table.element(a,paste('C',i,sep=''),1,TRUE)
+ }
+ a<-table.row.end(a)
+ for (i in 1:par3) {
+ a<-table.row.start(a)
+ a<-table.element(a,paste('C',i,sep=''),1,TRUE)
+ for (j in 1:par3) {
+ a<-table.element(a,myt[i,j])
+ }
+ a<-table.row.end(a)
+ }
+ a<-table.end(a)
+ table.save(a,file="/var/wessaorg/rcomp/tmp/70yi01323878723.tab") 
+ }
> 
> try(system("convert tmp/2fuaa1323878723.ps tmp/2fuaa1323878723.png",intern=TRUE))
character(0)
> try(system("convert tmp/3ws921323878723.ps tmp/3ws921323878723.png",intern=TRUE))
character(0)
> try(system("convert tmp/4lb1s1323878723.ps tmp/4lb1s1323878723.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.778   0.264   4.039