Custom GLM Object: Spot Negative Binomial — spot_negative

Defines a Negative Binomial-based GLM family object suitable for overdispersed spatial transcriptomics count data. Incorporates flexible link functions and gradient computations for both regression coefficients and dispersion parameters.

Usage

spot_negative_binomial

Format

A list of class-specific functions:

link: Negative binomial link and inverse link functions with derivatives.
marginal_mu: Marginal mean function.
original_class: Base GLM family used (Poisson or Negative Binomial).
predict: Predict means from X, beta, and lambda.
likelihood: Negative log-likelihood function.
grad: Gradient function with respect to beta and dispersion.