the type of a representation of a joint distribution of feature values and predictions
the type of a representation of a joint distribution of feature values and predictions
return a new joint distribution from a value and a target distribution
return a new joint distribution from a value and a target distribution
semigroup to sum up joint distributions
semigroup to sum up joint distributions
return candidate splits given a joint distribution and the parent node's target distrubution
return candidate splits given a joint distribution and the parent node's target distrubution