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NEWS.md

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tv v2.2.0

  • BREAKING CHANGE: the argument grid.only= has been changed to grid_only= for consistency with other arguments.

  • Improved performance for time_varying() and check_tv_exposure() by using dplyr::join_by(). In particular, the latter now allows for much larger data sets to have overlaps checked.

tv v2.1.0

  • Added an error to detect when parallel::mcMap() has an error in one of its forked processes.

  • Added parallelly::availableCores(omit = 1) as the new default for n_cores=.

tv v2.0.2

  • tv::time_varying() gained a sort= argument, to warn the user that things ought to be sorted when x$datetime is a Date.

  • Added Peter Martin as a contributor, as he inspired the v2.0.0 rewrite.

tv v2.0.1

  • The previous version of tv (< 2.0.0) accidentally silently dropped exposures that had zero (or negative) length. In 2.0.0 this became a non-informative error. It now has an informative error.

tv v2.0.0

  • Completely overhauled the internals, for a decent speed boost. In dense data, the speed up in practice is on the order of ~2x. In sparse data, the speed up has been witnessed as high as ~25x.

tv v1.7.3

  • Added return values to the documentation and resubmitted to CRAN.

tv v1.7.2

  • Submit to CRAN.

tv v1.7.1

  • Added logic to tv_min(), tv_max(), et al. to handle cases where there are relevant rows for the feature, but which are all missing. Usually you will want to filter these NA rows out a priori, because they're almost never what you want.

tv v1.7.0

  • Added grid.only= argument to time_varying().

  • Thank you, dplyr for changing your minds. Enforce dplyr (>= 1.1.1).

  • Added a "How does this actually work" section to the vignette.

tv v1.6.1

  • Added multiple = 'all' to one dplyr::inner_join() and one dplyr::left_join().

tv v1.6.0

  • Aggregations are now checked to make sure they exist. This includes, in particular, when the aggregation is NA.

  • Removed a few imports from the DESCRIPTION that weren't being used.

tv v1.5.0

  • Changed the default number of cores to check if "SLURM_CPUS_PER_TASK" is defined.

tv v1.4.0

  • The exposures are now expected to be non-overlapping (although windows can touch when a start time equals an end time).

tv v1.3.0

  • Reorganized the help pages.

  • Added special behavior for when "lookback_end" or "lookback_start" are NA.

  • The grid now includes "exposure_start" and "exposure_stop".

  • Added aggregation option "tv_median".

  • Added tests with testthat.

tv v1.2.3

  • Updated vignette.

  • Forced warnings to be printed as they occur, instead of when tv::time_varying() finishes.

tv v1.2.2

  • Added the aggregation option "sum".

tv v1.2.1

  • Fixed an error message.

tv v1.2.0

  • Added an attribute denoting what type of column each of the resulting columns is. This is useful for subsetting for, e.g., xgboost.

tv v1.1.0

  • Added id= argument.

tv v1.0.0

  • Initial port of code from kernds, removing all kds prefixes.