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rust 1.4.3

Bug fixes and minor improvements

  • Corrected typos and made cosmetic improvements to the package manual.
  • Put new version on CRAN to assist in investigating the CRAN package check errors and warnings for the revdbayes package, which imports functions from rust. Update (18/08/2024): ultimately, the errors on r-release-macos-x86_64 and r-oldrel-macos-x86_64 stemming from revdbayes' unit tests disappeared after Rcpp v1.0.13 bedded in on CRAN.

rust 1.4.2

Bug fixes and minor improvements

  • The issue described at RcppCore/Rcpp#1287 has been fixed to avoid WARNINGs from CRAN checks on some platforms. Thank you to Dirk Eddelbuettel for providing the fix so quickly!

rust 1.4.1

Bug fixes and minor improvements

  • The unnecessary C++11 specification has been dropped to avoid a CRAN Package Check NOTE.

  • README.md: Used app.codecov.io as base for codecov link.

rust 1.4.0

New features

  • ru() and ru_rcpp() have an additional argument mode that allows the user to specify the known mode of the input function logf instead of finding it using numerical methods.

Bug fixes and minor improvements

  • An extra example has been added to ru(), involving different Box-Cox transformation parameters for different component variables.

  • The list object returned from the function ru() has an extra component named trans_fn. This is an R function that performs the inverse transformation from the transformed variable $\rho$, on which the generalised ratio-of-uniforms method is performed, back to the original variable $\theta$.

  • The documentation of the functions ru() and ru_rcpp() now note that if the argument n = 0 is passed then the ratio-of-uniforms bounding box is returned but no simulation is performed. This may be useful if the bounding box itself is of interest.

  • In the description of the argument logf to ru() and ru_rcpp() it is advised that logf = should be provided explicitly to avoid the potential for argument matching problems.

  • In plot.ru() the arguments xlabs and ylabs have been super-seeded by an argument var_names, which can be used to provide variable names for use as axis labels.

  • Improvements to the package manual.

  • Activated 3rd edition of the testthat package

  • WARNINGs in the CRAN package check results, like "init.c:60:47: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes] extern SEXP _revdbayes_RcppExport_registerCCallable();" have been avoided.

rust 1.3.13

Bug fixes and minor improvements

  • In help files and vignettes DOIs are used rather than URLs.

rust 1.3.12

Bug fixes and minor improvements

  • LazyData: TRUE has been removed from DESCRIPTION, because there is no data/ directory in rust.

rust 1.3.11

Bug fixes and minor improvements

  • In ru() if isTRUE() is used to deal correctly with instances where there are missing values in the generalised ratio-of-uniforms test condition.

rust 1.3.10

Bug fixes and minor improvements

  • This is a patch that avoids the CRAN package check NOTEs resulting from the use of revdbayes::: instead of revdbayes::.

rust 1.3.9

  • This is a patch aimed at avoiding false positive CRAN package check warnings on some platforms.

rust 1.3.8

Bug fixes and minor improvements

  • Dependence on the spatstat package has been removed.

  • In the S3 plot method plot.ru() warnings, stemming from stats::regularize.values(), which is called by stats::approx(), have been suppressed.

  • A very basic S3 print method print.ru() has been added, which simply prints the call to ru() or ru_rcpp().

rust 1.3.7

Bug fixes and minor improvements

  • An extra argument shoof has been added to ru() and ru_rcpp() to enable the user to have control over the initial value used to check that a non-zero convergence indicator is indeed spurious.

  • Functions that are not intended to be called by the user have been moved to rust-internal.R

  • Use inherits() to check the class of objects returned from try(), rather than class().

  • Hyperlinks corrected in vignettes.

  • pkgdown documentation at https://paulnorthrop.github.io/rust/

rust 1.3.6

Bug fixes and minor improvements

  • Further steps are taken in the opimisations used to set up the ratio-of-uniforms bounding box (specifically in find_a() and in cpp_find_a()) to avoid erroneous (lack of) convergence warnings. These can occur if we start the optimisation algorithm too close to the solution.

  • LF line endings used in inst/include/rust.h and inst/include/rust_RcppExports.h to avoid CRAN NOTE

rust 1.3.5

Bug fixes and minor improvements

  • The summary method for class "ru" is now set up according to Section 8.1 of the R FAQ at (https://cran.r-project.org/doc/FAQ/R-FAQ.html).

  • In the extra checks used to try to avoid erroneous convergence warnings lower and upper bounds on the parameters are now used.

  • Corrected minor typo in the penultimate sentence of the "Cauchy density" subsection in the "When can rust be used vignette": b1* should be b1+.

rust 1.3.4

Bug fixes and minor improvements

  • Removed unnecessary dependence on the current release of R that caused an installation error on r-oldrel.

rust 1.3.3

New features

  • New vignette. "When can rust be used?".

rust 1.2.3

Bug fixes and minor improvements

  • In ru() and ru_rcpp() the constant hscale is used to shift logf (and hence scale the target density f) in function logf in the returned object. This helps to avoid over/under-flow when contouring f in plot.ru when d = 2.

  • The var_names argument to ru_rcpp didn't work. This has been corrected.

  • The arguments lower, upper to ru and ru_rcpp are now used, at least partly even when rotate = TRUE. See the updated description of lower, upper in the documentation of ru and ru_rcpp.

  • That the function logf supplied to ru or ru_rcpp should return -Inf when the density f is zero is stated explicitly in the help files.

  • ru() did not work when trans = "user" and d > 1. This has been corrected.

  • Extra checks are used to try to avoid erroneous convergence warnings.

  • Incorrectly formatted link to the Rcpp Gallery webpage corrected in the vignette "Rusting Faster: Simulation using Rcpp".

  • Extra examples provided for ru and for ru_rcpp: (a) Cauchy, (b) half-Cauchy and (c) bivariate normal x bivariate student-t.

rust 1.2.2

Bug fixes and minor improvements

  • An overloading ambiguity has been corrected to ensure installation on Solaris.

rust 1.2.1

Bug fixes and minor improvements

  • Corrected C++ function vecpow to avoid compilation errors on some platforms.

  • Unnecessary dependence on packages devtools and roxygen2 via Suggests is removed.

  • Minor edit to vignette: provide link directly to example C++ file user_fns.cpp in src directory, rather than the the (identical) example_user_fns.cpp file in the vignettes directory.

rust 1.2.0

New features

Bug fixes and minor improvements

  • Bug fixed in plot.ru(): previously plot.ru() failed when d > 2 and no axis label names were provided.

  • Bug fixed in plot.ru : previously, in the d = 2 case, providing the graphical parameter col produced an error because col = 8 was hard-coded in a call to points. Now the extra argument points_par enables the user to provide a list of arguments to points.

  • "using pairs()" removed from the last sentence Description of plot.ru() because pairs() is not used when d > 2, rather a single plot is produced for each pair of variables.

  • Obsolete function rho_to_theta() removed from function ru in ru_sampling.R.

  • If the user calls ru (or ru_rcpp) with trans = "user" but doesn't supply phi_to_theta then an error is returned.

  • plot.ru edited to avoid warning message that occurred in the d=1 case when breaks was supplied as an argument.

  • The functions rgpd, gpd_sum_stats, gpd_init and gpd_logpost are now exported.

rust 1.1.0

New features

  • plot.ru() can now be used when d > 2: it produces pairwise plots of the simulated values.

  • find_lamba(): argument init_lambda added to enable the user to supply an initial value for the Box-Cox transformation vector lambda.

Bug fixes and minor improvements

  • Unnecessary print statement print(dim(phi)) removed from function find_lambda().

  • Unnecessary print statement print(a_algor) removed from function ru().

  • Correct lambda$init to lambda$init_psi in ru() when extracting Box-Cox information.

  • Documentation of ru() updated to include a description of the returned function logf_rho() and simulated values sim_vals_rho and to clarify the meaning of the returned value of f_mode.

  • ru(): the expression for the inverse Box-Cox transformation in the case where lambda is exactly 0 has been corrected.

  • find_lambda(): carry out calculation of the target on a shifted log scale to avoid underflow.

  • Set up plot.ru() so that if the user supplies axis labels then they are used and otherwise the column name(s) of ru_object$sim_vals are used. Also enable plotmath symbols to be rendered in the axis labels.