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dualr 0.1.0

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@queelius queelius released this 31 Jan 18:20
· 9 commits to main since this release
v0.1.0
6e3a84d

dualr 0.1.0 — Initial Release

Forward-mode automatic differentiation via dual numbers for R.

Features

  • S4 dual number class with full arithmetic and math function support
  • Nested duals for exact second-order derivatives (dual2_variable, differentiate2)
  • MLE workflow helpers: score, hessian, observed_information, score_and_hessian
  • Special functions: erf, erfc, beta, lbeta, psigamma
  • Four vignettes with interpretive statistical commentary:
    • Introduction to dualr
    • MLE Workflow (Normal, Poisson, Gamma, Logistic regression)
    • Higher-Order Derivatives (curvature, Taylor expansion)
    • Optimizer Integration (optim, nlminb)

Install

# From CRAN (when available)
install.packages("dualr")

# From GitHub
remotes::install_github("queelius/dualr")

Documentation

Full pkgdown site: https://queelius.github.io/dualr/

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