pub fn combine_gaussians(
op: &Operator,
left: &GaussianDistribution,
right: &GaussianDistribution,
) -> Result<Option<GaussianDistribution>, DataFusionError>Expand description
Applies the given operation to the given Gaussian distributions. Currently,
this function handles only addition and subtraction operations. If the
result is not a Gaussian random variable, it returns None. For details,
see:
https://en.wikipedia.org/wiki/Sum_of_normally_distributed_random_variables