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clmstan 0.1.1

Patch release addressing CRAN maintainer feedback.

Bug fixes

• Suppressed misleading error message during package installation when ‘cmdstanr’ is not available. Stan model compilation is now silently skipped with an informational note instead of an error-like message.

• Removed SystemRequirements: CmdStan from DESCRIPTION. CmdStan is not required to install or check the package; it is only needed at runtime for model fitting.

clmstan 0.1.0

Initial CRAN release.

Features

Link Functions

• 5 standard link functions: logit, probit, cloglog, loglog, cauchit
• 6 flexible link functions with shape parameters:
  • t-link (df)
  • Aranda-Ordaz (lambda)
  • Symmetric Power (r, base)
  • log-gamma (lambda)
  • GEV (xi)
  • AEP (theta1, theta2)

Threshold Structures

• flexible: Standard ordered thresholds (default)
• equidistant: Equal spacing between thresholds
• symmetric: Symmetric thresholds around zero

Prior Specification

• Distribution-based API: prior(normal(0, 2.5), class = "b")
• Support for normal, student_t, cauchy, gamma, and flat priors
• Legacy API via clm_prior() for backward compatibility

Model Comparison

• LOO-CV via loo()
• WAIC via waic()

Diagnostics

• diagnostics() for MCMC convergence checks
• plot() with multiple types: trace, dens, hist, areas, intervals, acf

Prediction

• predict() for class predictions
• fitted() for probability predictions
• posterior_predict() for posterior predictive samples

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.