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stochtree 0.1.0
- Initial release on CRAN.
- Support for sampling stochastic tree ensembles using two algorithms:
MCMC and Grow-From-Root (GFR)
- High-level model types supported:
- Supervised learning with constant leaves or user-specified leaf
regression models
- Causal effect estimation with binary or continuous treatments
- Additional high-level modeling features:
- Forest-based variance function estimation (heteroskedasticity)
- Additive (univariate or multivariate) group random effects
- Multi-chain sampling and support for parallelism
- “Warm-start” initialization of MCMC forest samplers via the
Grow-From-Root (GFR) algorithm
- Automated preprocessing / handling of categorical variables
- Low-level interface:
- Ability to combine a forest sampler with other (additive) model
terms, without using C++
- Combine and sample an arbitrary number of forests or random effects
terms
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.