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dint 2.1.5

• Minor fixes to tests due to changes in R-base
• Export increment() utility function

dint 2.1.4

• vectors of length 1 are now recycled when adding or subtracting date_xx objects, e.g. date_yq(2019, 1) + 1:4 is now possible (#5).
• qy can now handle inputs without sepperator between quarter and year (e.g. myfile42019)
• as.POSIXlt.date_xx() and as.POSIXct.date_xx() now set UTC timezone by default (for compatibility with as.POSIXct.Date() changes in latest R version)

dint 2.1.3

• Correct a small error in the documentation of date_xx_arithmetic that triggers a CRAN Warning since the fixing of https://bugs.r-project.org/bugzilla/show_bug.cgi?id=16223>

dint 2.1.2

• Updated all scale_date_*() functions for compatibility with ggplot2 >= 3.2.2

dint 2.1.1

• format.date_xx() now used %V for isoweeks instead of %W to prevent confusion with strftime(), where %W denotes UK-weeks. Using %W has been deprecated and will be removed in future versions.
• added yq(), qy(), ym(), my() “smart” parsers similar to lubridate::dmy() & co.
• as_date_ym() and as_date_yw() now handle input vectors that contain NAs (as as_date_yq() already did)
• last_of_quarter() no longer depends on the lubridate package

dint 2.1.0

• added ggplot2 scales for dint data types
• added predicates to check whether dates correspond to the boundaries of years or quarters (is_quarter_bounds(), is_year_bounds(), is_first_of_quarter(), etc…)
• export methods for unique and summary that were introduced in the last version but mistakenly not exported
• One can now subtract two date_xx of the same subclass from each other (the result is an integer)
• added as_yearmon() and as_yearqtr() for converting to zoo S3 classes
• Removed functions that were deprecated with dint 2.0.0
• added Sys.date_yq(), Sys.date_ym() and Sys.date_yw() to get the current quarter, month or isoweek.
• lots of small fixes

dint 2.0.0

• breaking: formatting date_xx objects now uses placeholders similar to base::strptime() (e.g %Y, %m, %q, etc…) instead of presets. The new implementation is also noticeably faster than the old.
• breaking: all first_day_of_*() and format_date_y*() functions now have shorter names: first_of_*() and format_y*(). The original names will still work until the next release but give a deprecation warning.
• Added support for c(), min(), max(), range()
• You can now directly supply a numeric year to first_of_year() and last_of_year() (e.g. first_of_year(2018))
• added date_yw for storing isoweeks and modified existing functions to accommodate for them.
• added [ method for date_xx objects that preserves class attribute when subsetting
• %y+% / %y-% can add/subtract years from date_xx objects
• added the predicates, is_first_of_quarter(), is_last_of_quarter(), and is_quarter_bounds().
• seq() methods now support a by argument

dint 1.0.0

• First stable version

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.