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grates (development version)

grates 1.2.2

  • All images in the vignette now have alt text.

  • Minor documentation improvements.

grates 1.2.1

  • Package now depends on R (>= 3.6.0).

grates 1.2.0

  • New functions date_start() and date_end() for accessing the boundary elements of <grates> objects.

  • New function %during% for testing whether a scalar date is contained within the range (inclusive) of a <grates> object.

grates 1.1.1

  • Users of the 3.5.0 release of ggplot2 will have noticed some additional "warnings" appearing within the plot. These have now been handled internally so please raise an issue if they reappear.
  • Minor internal and non-breaking changes motivated by lintr.

grates 1.1.0

  • The scale functions (e.g. scale_x_grates_isoweek()) gain a breaks argument to allow exact specification of breaks.

grates 1.0.1

  • Fix erroneous tests flagged by CRAN.
  • No user facing changes.

grates 1.0.0

For the first major release of grates a significant refactor has been undertaken that builds upon lessons learnt over the last two years. Whilst we have tried to limit breaking changes some functionality has been removed and some function parameters altered (see details below):

breaking changes

  • <grates_month> objects are now always stored relative to the UNIX epoch. This is equivalent to setting origin = 0 in the previous release. Calling the function with an origin argument will now error.

  • Trying to create a <grates_month> object with n set to 1 will now error. Uses are encouraged to use <grates_yearmonth> for this case.

  • <grates_int_period> is now a defunct as it did not fit with the scope of the package (i.e grouped dates, not grouped integers). In particular the int_period(), as_int_period() and is_int_period() will now error on use.

  • The origin parameter from <grates_period> as been renamed to offset to better reflect its usage. Users will need to update uses of period(), as_period() and scale_x_grates_period() to reflect this.

  • as_yearweek() no longer parsers character strings of the form "YYYY-Www" (e.g. "2020-W01").

  • Constructors yearweek() and isoweek() and epiweek() now allow construction of grates objects directly from year and week integer vectors. yearmonth() and yearquarter() constructors have been similarly changed to allow construction from year and month/quarter integer vectors.

  • The old incarnation of direct constructors now begin with a new_ prefix (e.g. new_month(), new_yearweek(), new_epiweek(), ...). This is to distinguish them from more user friendly constructors that we have introduced (see above).

new functions and classes

  • A new yearmonth class (<grates_yearmonth>) and associated functions have been introduced. This object is similar to what was previously obtained via a call of month(x, n = 1L, origin = 0L) (now defunct - see above).

  • New isoweek and epiweek classes (<grates_isoweek> and <grates_epiweek> respectively) and associated functions. Internally these are similar to the corresponding <grates_yearweek> objects but with a marginally more efficient implementation.

bug fixes

  • is.numeric() methods for grates objects previously returned FALSE. Calls to these methods now dispatch to the default implementation based on the underlying type and should now return TRUE.

miscellaneous

  • Hard dependencies on clock and vctrs have now been removed.

grates 0.3.1

  • Fix for changes made to POSIXlt objects in R-devel.

grates 0.3.0

New functions

  • seq() methods now implemented for all grates objects.

bug fixes

  • Conversion functions now preserve names.

  • Bug fixes for cast functions operating on objects of the same class but with different attributes.

grates 0.2.0

  • This is a breaking release that changes the underlying implementations of the different grate constructors and associated scales for ggplot2. There has also been some renaming of function arguments to bring greater consistency across packages.

  • We now make more use of the high level API introduced by the clock package for working with R's date and date-time types.

grates 0.1.2

bug fixes

  • Fixed bug affecting scale_x_period()

grates 0.1.1

  • Initial release