Hi!

22.06.2016, 22:00, chalabi.el...@yahoo.de wrote:
Dear Kimmo,
I already used df$speed[training] in df.xyf but I get this error:
   Error in xyf(Xtraining,factor(df$speed[training]),grid=somgrid(5, :
   NA/NaN/Inf in foreign function call (arg 1)

Please check for zeros (0) and NAs in df$speed or Xtraining. They could be a problem here...

HTH,
Kimmo

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