check_estimate_required_params: Function to check if the parameters are sufficient to define a distribution
and if not see if we can estimate the parameters from the given parameters,
e.g. for gamma distribution, shape and rate can be estimated from mean and sd
Description
Function to check if the parameters are sufficient to define a distribution
and if not see if we can estimate the parameters from the given parameters,
e.g. for gamma distribution, shape and rate can be estimated from mean and sd
the keyword used to generate random numbers in stats package
Value
the parameters required
Details
if the distribution is gamma and the parameters are mean and sd
we can estimate shape and rate from mean and sd.
This function is not usually needed by the user