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

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: RSDA
> ### Title: R to Symbolic Data Analysis
> ### Aliases: RSDA RSDA-package
> ### Keywords: package
> 
> ### ** Examples
> 
> data(example3)
> sym.data<-example3
> class(sym.data) <- c('sym.data.table')
> display.sym.table(sym.data)
      $C   F1 $I F2 F2 $M F3  M1  M2  M3 $C   F4 $S F5 e a 2 3 g b 1 4 i k c d
Case1 $C  2.8 $I  1  2 $M  3 0.1 0.7 0.2 $C  6.0 $S 12 1 0 0 0 1 0 0 0 1 1 0 0
Case2 $C  1.4 $I  3  9 $M  3 0.6 0.3 0.1 $C  8.0 $S 12 0 1 0 0 0 1 0 0 0 0 1 1
Case3 $C  3.2 $I -1  4 $M  3 0.2 0.2 0.6 $C -7.0 $S 12 0 0 1 0 0 1 1 0 0 0 1 0
Case4 $C -2.1 $I  0  2 $M  3 0.9 0.0 0.1 $C  0.0 $S 12 0 1 0 1 0 0 0 1 0 0 1 0
Case5 $C -3.0 $I -4 -2 $M  3 0.6 0.0 0.4 $C -9.5 $S 12 1 0 0 0 1 0 0 0 1 1 0 0
Case6 $C  0.1 $I 10 21 $M  3 0.0 0.7 0.3 $C -1.0 $S 12 1 0 0 0 0 0 1 0 1 0 0 0
Case7 $C  9.0 $I  4 21 $M  3 0.2 0.2 0.6 $C  0.5 $S 12 1 1 1 0 0 0 0 0 0 0 0 0
      $I     F6    F6 $I F7 F7
Case1 $I   0.00 90.00 $I  9 24
Case2 $I -90.00 98.00 $I -9  9
Case3 $I  65.00 90.00 $I 65 70
Case4 $I  45.00 89.00 $I 25 67
Case5 $I  20.00 40.00 $I  9 40
Case6 $I   5.00  8.00 $I  5  8
Case7 $I   3.14  6.76 $I  4  6
> sym.scatterplot(sym.data[,1], sym.data[,4], col='blue',main='Main Title')
> 
> data(oils)
> class(oils) <- c('sym.data.table')
> res<-sym.interval.pca(oils,'centers')
> sym.scatterplot(res$Sym.Components[,1],res$Sym.Components[,2],
+                 labels=TRUE,col='red',main='PCA Oils Data')
> sym.scatterplot3d(res$Sym.Components[,1], res$Sym.Components[,2],
+                   res$Sym.Components[,3],color='blue',main='PCA Oils Data')
> sym.scatterplot.ggplot(res$Sym.Components[,1],
+                        res$Sym.Components[,2], labels=TRUE)
Error in grid.Call.graphics(C_setviewport, vp, TRUE) : 
  VECTOR_ELT() can only be applied to a 'list', not a 'double'
Calls: sym.scatterplot.ggplot ... lapply -> FUN -> push.vp.viewport -> grid.Call.graphics
Execution halted