linprior option to fitGP.fitGP_fish, predict_iter, and fisheries vignette.RickerHarvest dataset for fitGP_fish demo.extrap feature in getconditionals.update.default with fitGP by storing function call in output.initpars. Initial values for ve and sigma2 previously had to be constrained to (0,1), but can now be in (0,5).predict_seq function.fixedpars option to fix phi, ve, sigma2returnGPgrad option to predict.GP
posdef function to find nearest rhomatrix that is positive definite.(C+t(C))/2.newdata. This now works with (1) rhomatrix, (2) a single prediction row, (3) column numbers specified instead of names.predictmethod="lto" option to predict.GP, which leaves out points with the same time index (relevant for multi-population models).