What is PL or GAL?

Answer 1

PL, or Generalized Additive Model for Location Scale and Shape (GAL), is a statistical framework used for modeling relationships between variables while allowing for flexibility in the shape of the relationships. It extends the traditional additive models by incorporating non-linear functions, enabling more accurate data fitting. This approach is particularly useful in fields like epidemiology and finance, where understanding complex data patterns is essential. GAL provides tools for analyzing not just mean responses but also variations and distributions of the response variable.