Aims to provide simple intuitive functions to create quick prototypes of artificial neural network or deep learning models. In addition novel ensemble models like 'deeptree' and 'deepforest' has been included which combines decision trees and neural network.

Deep Gaussian mixture models as proposed by Viroli and McLachlan (2019) 
    <doi:10.1007/s11222-017-9793-z> provide a generalization of classical Gaussian mixtures 
    to multiple layers. Each layer contains a set of latent variables that follow a mixture of 
    Gaussian distributions. To avoid overparameterized solutions, dimension reduction is 
    applied at each layer by way of factor models.

Performs Bayesian posterior inference for deep Gaussian processes 
    following Sauer, Gramacy, and Higdon (2023, <doi:10.48550/arXiv.2012.08015>).  See Sauer 
    (2023, <http://hdl.handle.net/10919/114845>) for comprehensive methodological 
    details and <https://bitbucket.org/gramacylab/deepgp-ex/> for a variety of 
    coding examples. Models are trained through MCMC including elliptical 
    slice sampling of latent Gaussian layers and Metropolis-Hastings 
    sampling of kernel hyperparameters.  Vecchia-approximation for faster 
    computation is implemented following Sauer, Cooper, and Gramacy 
    (2023, <doi:10.48550/arXiv.2204.02904>).  Downstream tasks include sequential design 
    through active learning Cohn/integrated mean squared error 
    (ALC/IMSE; Sauer, Gramacy, and Higdon, 2023), optimization through 
    expected improvement (EI; Gramacy, Sauer, and Wycoff, 2022 <doi:10.48550/arXiv.2112.07457>), 
    and contour location through entropy 
    (Booth, Renganathan, and Gramacy, 2024 <doi:10.48550/arXiv.2308.04420>).  Models 
    extend up to three layers deep; a one layer model is equivalent to typical 
    Gaussian process regression.  Incorporates OpenMP and SNOW parallelization 
    and utilizes C/C++ under the hood.

A wrapper for the 'DeepL' Pro API <https://www.deepl.com/docs-api>, a web service
    for translating texts between different languages. A DeepL API developer account is required
    to use the service (see <https://www.deepl.com/pro#developer>).