The Alpha constructure function returns an R6 Alpha_ class which feeds sanitised prior or initialisation values for alpha into the model.
Alpha(data, alpha, source, time = NULL, location = NULL)
long-format data.frame containing Dirichlet prior hyperparameter, source, time, and location columns
name of hyperparameter column
name of source column
name of optional time column
name of optional location column
An Alpha_ data structure for use in sourceR models