Release tsibble 0.8.0 · tidyverts/tsibble

Breaking changes

This release has undergone an overhaul to clean tsibble's meta data: (1) attribute regular integrated to interval, (2) attribute ordered integrated to index. A previously stored tsibble object may receive a warning "corrupt tsibble object".
The dplyr and tidyr generics are no longer re-exported. Instead they will be registered on load, which means you need to explicitly load library(tidyverse) in front.

Deprecate id() for creating key for the consistence of tidy selectors, and will be defunct until August 2019.
Deprecate of pull_interval() in favour of interval_pull().
Deprecate as.tsibble() in favour of as_tsibble(). The warning is displayed once per session.
Deprecate gather = TRUE in as_tsibble.ts() in favour of pivot_longer = TRUE.
Continue with deprecation of fill_na() in favour of fill_gaps(), and will be defunct in the next release.

Support the interval of "quarter", "month", "week" & "day" for difftime.
Support the interval of "millisecond" & "microsecond" for hms.
Added new argument .drop for dropping empty factor or not in as_tsibble() and build_tsibble().
Binary - operator between yearweek, yearmonth, and yearquarter returns class difftime.
Added new argument key_data to build_tsibble() for the easy-to-reason purpose.
yearquarter() better supports strings that contains "Q"/"Qtr"/"Quarter". (#107)

Fixed bugs in as_tsibble.ts() for monthly series starting at other months than January. (#89)
guess_frequency.yearweek() returns 52.18 for more accurate weekly representation, instead of 52.
n() now can be called in slice.tbl_ts(). (#95)
Fixed false warnings for negative indices in slice.tbl_ts().
Fixed false warnings for a few cases in arrange.tbl_ts().
Fixed *_join() for not finding key or index when by is specified. (#102)
Added "Tasmania" to data(tourism) and 2017 data.
More robustly handles sub-second intervals.