Running examples in ‘IntegratedMRF-Ex.R’ failed
The error most likely occurred in:

> ### Name: CombPredict
> ### Title: Integrated Prediction of Testing samples using Combination
> ###   Weights from integrated RF or MRF model
> ### Aliases: CombPredict
> 
> ### ** Examples
> 
> library(IntegratedMRF)
> data(Dream_Dataset)
> Tree=1
> Feature=1
> Leaf=10
> Confidence=80
> finalX=Dream_Dataset[[1]]
> Cell=Dream_Dataset[[2]]
> Y_train_Dream=Dream_Dataset[[3]]
> Y_train_cell=Dream_Dataset[[4]]
> Y_test=Dream_Dataset[[5]]
> Y_test_cell=Dream_Dataset[[6]]
> Drug=1
> Y_train_Drug=matrix(Y_train_Dream[,Drug],ncol=length(Drug))
> Result=Combination(finalX,Y_train_Drug,Cell,Y_train_cell,Tree,Feature,Leaf,Confidence)
Warning in stats::cor(final_genome_BSP1 %*% BSP_temp_coeff1, finalY_bsp_pred[,  :
  the standard deviation is zero
Warning in stats::cor(final_genome_BSP1 %*% BSP_temp_coeff1, finalY_bsp_pred[,  :
  the standard deviation is zero
Elapsed Time for Bootstrap Error Estimation is 0.133
Elapsed Time for Resubstitution Error Estimation is 0.00699999999999995
Elapsed Time for 0.632+ Bootstrap Error Estimation is 0.001
Elapsed Time for Jackknife Confidence Interval Calculation is 0
Elapsed Time for Leave-one-out Error Estimation is 0.052
Elapsed Time for N-fold cross validation Error Estimation is 0.03
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Warning in grid.Call.graphics(C_text, as.graphicsAnnot(x$label), x$x, x$y,  :
  no font could be found for family "Arial"
Warning in grid.Call.graphics(C_text, as.graphicsAnnot(x$label), x$x, x$y,  :
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  no font could be found for family "Arial"
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Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_stringMetric, as.graphicsAnnot(x$label)) :
  no font could be found for family "Arial"
Warning in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y,  :
  no font could be found for family "Arial"
Error in grid.Call(C_textBounds, as.graphicsAnnot(x$label), x$x, x$y,  : 
  polygon edge not found
Calls: Combination ... <Anonymous> -> widthDetails -> widthDetails.text -> grid.Call
Execution halted