News for Package georob

Changes in version 0.3-23 (2025-01-28)

BUG FIXES

• changes of vignette to avoid errors in address sanitizer CRAN checks

Changes in version 0.3-22 (2025-01-17)

NEW FEATURES

• changes of vignette (reverse substitution of R-code chunks for block Kriging by tex output, changed pwidth and pheight arguments for block kriging in Meuse example)

Changes in version 0.3-21 (2025-01-08)

NEW FEATURES

• spatial covariance of covariates set equal to 0 (instead of NA) for blocks that contain only one grid point in lognormal back-transformation of block kriging results under assumption of permanence of lognormality of block means

• changes of vignette (temporary substitution of R-code chunks for block Kriging by tex output)

BUG FIXES

• correction of error in lognormal back-transformation of block kriging results under assumption of permanence of lognormality of block means

Changes in version 0.3-20 (2024-09-05)

BUG FIXES

• corrected missing package anchor in documentation lgnpp.Rd anchors

Changes in version 0.3-19 (2024-03-09)

NEW FEATURES

• improved handling of parallelized matrix multiplications and parallelized computations of generalized covariances by main process and and child processes running already in parallel

• code file georob_private_functions.R replaced by 4 new code files georob_private_further_functions.R, georob_private_generalized_covariances.R, georob_private_georob_fit.R and georob_private_psi_functions_etc.R

BUG FIXES

• minor edits in various help pages

Changes in version 0.3-18 (2024-02-09)

NEW FEATURES

• minor revision of vignette

• substituted all donttest statements in examples with lengthy computations by interactive() clause which has the effect that lenghty computations are only carried out in interactive sessions

BUG FIXES

• correction of error in predict.georob() when processing output

• plot.sample.variogram() now returns NULL

• eliminated lonely item in NEWS.Rd

Changes in version 0.3-17 (2024-02-01)

NEW FEATURES

• eliminated dependency on functions RFfctn() and RFsimulate() of archived package RandomFields by new functions gencorr(), sim.chol.decomp(), sim.circulant.embedding()

• added on.exit(options(oldoptions)) and on.exit(par(oldpar)) after call options() and par() in function code

• querying class attribute by inherits()

• changed default for argument allow.recursive of function control.pcmp()

• more efficient calculation of lag.vectors for geometrically anisotropic variograms

• thorough revision of function condsim() (new functions sim.chol.decomp() and sim.circulant.embedding() for simulating unconditional Gaussian realizations by Cholesky matrix decomposition and circulant embedding method)

BUG FIXES

• corrected parameter bounds for models RMlgd, RMdampedcos, RMfbm and RMgenfbm

• corrected symbol for signal variance in package help page and vignette

• complemented value section of various help pages, diverse fixes in order to comply with CRAN policies in Rd-files

Changes in version 0.3-16 (2023-01-28)

NEW FEATURES

• substituted dependency on RandomFields, version 3.3.14, by dependency on RandomFieldsMLV3010 version 0.1.0 (= legacy version of RandomFields, version 3.0.10, with reduced functionality)

BUG FIXES

• correction of error in add1.georob, drop1.georob and step.georob occuring in parallelized computations on windows OS

• forcing socket clusters for parallelized computations in condsim on non-windows OS

Changes in version 0.3-15 (2023-01-24)

NEW FEATURES

• new file inst/NEWS.Rd

BUG FIXES

• new default (FALSE) for argument allow.recursive of control.pcmp

• sanitized help pages complying with KaTeX

• only NAMESPACE is imported for the formerly attached packages graphics, parallel, snowfall, stats and utils

• vignette and help pages that use suggested packages gstat, lattice and multcomp changed

Changes in version 0.3-14 (2021-06-04)

BUG FIXES

• correction of error in check of initial values of anisotropy parameters in function georob.fit

Changes in version 0.3-13 (2020-03-27)

NEW FEATURES

• functions fit.variogram.model and georob compute now Hessian of non-transformed variogram parameters in addition to Hessian of transformed parameters

BUG FIXES

• correction of error in sanity checks of arguments of function georob

Changes in version 0.3-12 (2020-02-16)

NEW FEATURES

• new data sets wolfcamp and elevation

BUG FIXES

• all code files renamed

• sanity checks of arguments in calls of if and switch

• DESCRIPTION: omission of suggest dependency for orphaned package geoR in

• vignette: conditional use of objects provided by suggested packages gstat and multcomp

Changes in version 0.3-11 (2019-12-18)

BUG FIXES

• NAMESPACE: correction of dependencies

• DESCRIPTION: correction of dependencies and licence information

• method summary.georob takes terms component now from georob object

• function condsim: sanity checks of specified function arguments and for calls of if

• function condsim: correction of errors when processing output of function RFsimulate

• changes in calls of class

Changes in version 0.3-10 (2019-05-24)

BUG FIXES

• method summary.georob: correction of error when printing confidence intervals of variogram parameters

• function condsim: correction of error that occurred when preparing output consisting of a single realization

Changes in version 0.3-9 (2019-04-07)

NEW FEATURES

• function fit.variogram.model: new control argument and possibility to choose between optim and nlminb optimizer for non-linear least squares

• new function control.fit.variogram.model for providing sensible defaults to argument control of fit.variogram.model

BUG FIXES

• internal function f.aux.gcr: correction of error introduced in version 0.3-8 when computing semivariances for anisotropic variogram models

Changes in version 0.3-8 (2019-03-29)

NEW FEATURES

• function condsim: conditioning data is passed as SpatialPointsDataFrame to RFsimulate

BUG FIXES

• internal function f.aux.gcr: changes for new version 3.3 of package RandomFields

Changes in version 0.3-7 (2018-08-27)

BUG FIXES

• internal function f.aux.sim.1: elimination of grid.nodes argument

• methods add1.georob, drop1.georob, step.georob: elimination of data argument

Changes in version 0.3-6 (2018-01-26)

NEW FEATURES

• improved memory management in all parallized computations

• method predict.georob: generates error message if names of coordinates in object and newdata are not the same

• method predict.georob: new optional arguments for specifying a variogram model different from the one contained in object

• new functions condsim and control.condsim for (un)conditional simulations

BUG FIXES

• internal function f.call.set_allxxx_to_fitted_values variogram.model is also updated

Changes in version 0.3-5 (2017-10-20)

NEW FEATURES

• internal function georob.fit: changes to allow non-zero snugget if there are no replicated observations

• new methods coef.georob and print.coef.georob

Changes in version 0.3-4 (2017-05-09)

NEW FEATURES

• internal function georob.fit: issuinng warning for negative-definite hessian

BUG FIXES

• functions georob and control.rq: small changes and error correction in interface to rq for computing robust initial values

Changes in version 0.3-3 (2017-01-24)

BUG FIXES

• function fit.variogram.model: correction of minor bug for fitting 3d anisotropic variogram models to sample variograms

Changes in version 0.3-2 (2016-11-28)

NEW FEATURES

• internal function georob.fit: checking ml.method and presence of intercept for intrinsic models

BUG FIXES

• method predict.georob: correction of error when computing predictions for intrinsic variograms

• interal function likelihood.calculations: correction of error when printing trial parameter values if they exceed safe bounds

• (internal) functions fit.variogram.model, likelihood.calculations,georob.fit, partial.derivatives.variogram: correcting of error in 3d-rotation matrix for geometrically anisotropic variograms

Changes in version 0.3-1 (2016-09-09)

BUG FIXES

• correction of minor error in internal function

Changes in version 0.3-0 (2016-09-08)

NEW FEATURES

• functionality to use nested variogram models

• function control.georob: change of default value for argument error.family.cov.residuals

• method plot.sample.variogram: new argument lty

BUG FIXES

• internal function bwd.transf: correction of error for logit-transformations

• method cv.georob: correction of error when computing standard errors of cv kriging predictions

Changes in version 0.2-4 (2016-07-27 )

NEW FEATURES

• improvements in all parallelized computations

• methods add1.georob, drop1.georob, step.georob: extended functionality for refitting variogram parameters or keeping them fixed, improved computational efficiency, diagnostics about convergence

• method cv.georob: allow recursive calls of mclapply

• function georob: allowing use of lmrob for computing initial fixed effects for rank-deficient model matrix

• function profilelogLik and method waldtest.georob: improved computationsl efficiency

• method predict.georob: SpatialPoints, SpatialPixels and SpatialGrid as newdata objects

• method plot.cv.georob: added line color and type for scatterplot smooths

BUG FIXES

• method fixef.georob: correcting wrong component name

• internal function georob.fit: corrected names of gradient components

Changes in version 0.2-3 (2016-03-02)

NEW FEATURES

• method plot.georob: changes for residual diagnostic plots

• method plot.cv.georob: minor changes for adding plots to existing diagnostics graphics

BUG FIXES

• ...

Changes in version 0.2-2 (2015-12-03)

NEW FEATURES

• new way to control which variogram parameters are fitted

• generic and methods for computing sample variogram

• methods cv.georob and predict.georob: catching errors occurring during parallelized computations

• functions validate.preditions, fit.variogram.model: check whether mandatory arguments were provided

• method plot.georob: changes for Tukey-Anscombe, normal QQ-plots and for plotting variograms

• issuing additional warnings in various computations

BUG FIXES

• function fit.variogram.model: correcting error in setting default values for fit.param

Changes in version 0.2-1 (2015-09-02)

NEW FEATURES

• Gaussian (RE)ML estimation of parameters of re-parametrized variogram

• new function profilelogLik for computing profile loglikelihood of variogram parameters

• extended functionality for transforming variogram parameters

• changes for improving computational efficiency

• functionality for optional computation of covariances for long-tailed error distributions

• many more improvements, see ChangeLog for period from 2015-04-03 to 2015-09-02

BUG FIXES

• correction of multiple errors, see ChangeLog for period from 2015-04-03 to 2015-09-02