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Changelog

Source: NEWS.md

ngme2 0.8.3 (2025-12-10)

  • Update nu parameterization to be relative to nu_lower_bound (nu = nu_lower_bound + exp(B_nu * theta_nu))
  • Allow NULL specification for noise parameter in non-stationary case
  • Update fixed effects initialization
  • Update start=fit logic

ngme2 0.8.2 (2025-12-02)

  • Add support for different type of ldlt solvers
  • Use solver_type and solver_backend in control_opt to specify the solver
  • Give print when hit nu lower bound

ngme2 0.8.1 (2025-12-01)

  • Add ldlt solver (solver_type = “ldlt”)
  • Minor fix on matern model on handling integer alpha case

ngme2 0.8.0 (2025-11-30)

  • Simplify solver structure
  • Update to use model() instead of string for model definition
  • Big update on the R interface, use model() instead of string for model definition
  • Refactor on the codebase
  • Add more vignettes

ngme2 0.7.1

  • Documentation updates
  • Add print log likelihood for Gaussian models
  • Improvements to prediction with condition on specific data points
  • Enhanced preconditioner with Gibbs samples
  • Updates to AR1 vignette
  • Various optimization workflow improvements

ngme2 0.6.0

  • First version of the package

ngme2 0.3.0

  • Add replicate feature
  • Add OU process
  • Add tensor-product model