Changes in version 1.9.1 - Added keywords and bug reporting URL to DESCRIPTION. - No code changes in this release. Changes in version 1.9.0 License change - PEcAn.assim.batch is now distributed under the BSD three-clause license instead of the NCSA Open Source license. Changes in version 1.8.0 Breaking changes - In functions gpeval and mcmc.GP, parameter splinefcns has been renamed to splinefuns to match the spelling in minimize.GP, thereby also fixing several cases where the wrong name was passed between functions. Added - Functions bounded, calculate.prior, ddist, get_ss, get_y, gepeval, is.accepted, mcmc.GP, minimize.GP, all used for sampling from Gaussian processes, have been moved here from package PEcAn.emulator to correct a circular dependency. Changes in version 1.7.1 - All changes in 1.7.1 and earlier were recorded in a single file for all of the PEcAn packages; please see https://github.com/PecanProject/pecan/blob/v1.7.1/CHANGELOG.md for details.