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tsibble v0.5.0
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@earowang earowang released this 05 Aug 20:25
v0.5.0
6445c56

This release introduced the breaking changes to the "interval" class to make tsibble better support finer time resolution (e.g. millisecond, microsecond, and nanosecond). The "interval" format changes from upper case to short hand. To support new time index class, only index_valid() and pull_interval() need to be defined now.

New features

  • Added "nanotime" support for nanoseconds.
  • Added scoped variant group_by_key() to easily group the key variables.
  • slide() gained a new argument .align = "right" to align at "right", "center", or "left". If window size is even for center alignment, either "center-right" or "center-left" is needed.
  • Defined arithmetic operators (+ & -) for yearweek, yearmonth, and yearquarter.
  • slide() and stretch() gained a new argument .bind = FALSE.

Improvements

  • Speed improvement for internals when it's a known valid tsibble. (#43)
  • Better support "millisecond" and "microsecond".
  • A new vignette on window functions.

Internal changes

  • Replaced NA or NULL with 0 in the "interval" class to make the representation simpler.
  • The interval class has new slots of "millisecond", "microsecond", "nanosecond".
  • time_unit() is a function instead of S3 generic, and made index extension a bit easier.

Bug fixes

  • Fixed warning in format.yearweek().
  • Fixed group_by.lst_ts() for dropping the grouping information.
  • Fixed stretch2() only applying .f to one input.
  • Fixed NSE in as_tsibble.grouped_df() for groups. (#44)
  • Fixed bug in .fill = NULL for slide().

Misc

  • Moved package "timeDate" from Imports to Suggests.
  • Added "anytime" to Imports for better parsing characters.
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