timetk 2.9.1

timetk 2.9.1

Highlights

• Smarter time parsing & sequencing. New internal generics and S3 methods make date/time parsing and future sequence generation more robust across Date, POSIXct, hms, yearmon, and yearqtr.
• Docs & site polish. Roxygen links modernized, vignette overhauled for anomaly workflows, and pkgdown styling refreshed.
• CI refresh. GitHub Actions updated to latest actions and small reliability fixes.

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New

• Internal generics/S3 methods (exported) for time handling:

  • convert_length_out_chr_to_num() with methods for Date, POSIXt, yearmon, yearqtr.
  • list_to_datetime() with methods for POSIXct, Date, hms, yearmon, yearqtr.
  • lookup_defaults() with methods for POSIXct, Date, hms, yearmon, yearqtr.

Improvements

• Time sequence generation: tk_make_timeseries() backend updated to use the new convert_length_out_chr_to_num.* methods, improving support for calendar and sub-daily indexes.

• Parsing utilities: list_to_datetime.* & lookup_defaults.* reduce edge cases in date/time parsing and default boundary lookups.

• Documentation links: Switched many references to fully qualified links (e.g., recipes:: and anytime::) for clearer, clickable docs.

• Site/UX:

  • Navbar and TOC color tweaks (pkgdown/extra.css) for better contrast.
  • Navbar label: “Sequences & Data Structures” → “Time Sequences & Data Structures”.

• Roxygen: Updated to RoxygenNote: 7.3.2.

Bug fixes

• M4 dataset docs: Updated source URL to the current M4 competition page across all M4 datasets.
• Tests: tk_tbl() test for timeSeries now guarded with skip_if_not_installed() and creates the object inside the test for cleaner isolation.

Vignettes

• TK08_Automatic_Anomaly_Detection: Rewritten to use the wikipedia_traffic_daily dataset and the anomalize() workflow (plot_anomalies*() family), with clearer decomposition, detection, and “cleaned” visualization steps.

CI / Build

• test-coverage workflow:

  • actions/checkout → v4, actions/upload-artifact → v4.
  • More robust find usage with quoted paths.
  • Added commented guidance for optional caching.

• CRAN submission metadata updated for 2.9.1.

Breaking changes

• None.

Deprecations

• None.

Notes for users

• If you create future time sequences or parse specialized index classes, you should see improved behavior across index types with no code changes required.

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Full Changelog: 2.9.0...2.9.1