why use a negative digit in gbm which r function is used to represent a class using a negative number? what number represents negative number in r which number is better gbm or a negative number what class is gbm can you use a positive number when creating a negative representation in r gbm how to generate a train file which numbers do you get when you create negative data in r how to represent a negative number in r what number represents a negative number in gbm which class has a negative number if a group is generated by the ground truth? which is the correct gbm i can use to represent a class with a negative number when to use negative numbers in r what number represents one class which class is negative in r gbm in r what numbers for negative number what numbers are used in r what number is in the ground truth can ground truth be a negative number why is the ground truth a negative in r