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r-datetimeoffset vs tern.mmrm

A side-by-side editorial comparison of r-datetimeoffset and tern.mmrm — release velocity, themes, recent moves, and the top alternatives to consider.

r-datetimeoffset vs tern.mmrm: at a glance

Featurer-datetimeoffsettern.mmrm
SectorAnalyticsAnalytics
Velocity score0.00.0
Sparks · 30d00
Top themesdatetime, iso-8601, metadata, r-packagepharmaverse, mmrm, tabulation, maintenance
Last editorial update1h ago1h ago
WebsiteVisit →Visit →

What is r-datetimeoffset?

A datetime type built for the messy metadata formats everyone else rounds off.

datetimeoffset provides a vctrs record type for datetimes with optional UTC offsets, possibly heterogeneous time zones, and missing components — the shapes that appear in PDF, XMP and exiftool metadata. Its value sits in the format family around that type: ISO 8601, EDTF, pdfmark, exiftool, nanotime and strftime output. The 1.0.0 release is a dependency bump, not a feature milestone.

Read the full r-datetimeoffset trajectory →

What is tern.mmrm?

An MMRM tabulation package that has published nothing since its 2024 CRAN releases.

tern.mmrm wraps mixed models for repeated measures into the tern tabulation and plotting layer used by teal clinical modules. The visible history ends with three CRAN releases in mid-to-late 2024; before that the feed carries only automated version bumps from 2022, three of which have just been backfilled into the record. The most recent substantive change adds axis limit arguments to the LS-means plot.

Read the full tern.mmrm trajectory →

r-datetimeoffset vs tern.mmrm: editorial side-by-side

R0.0

A datetime type built for the messy metadata formats everyone else rounds off.

◆ Current state

datetimeoffset provides a vctrs record type for datetimes with optional UTC offsets, possibly heterogeneous time zones, and missing components — the shapes that appear in PDF, XMP and exiftool metadata. Its value sits in the format family around that type: ISO 8601, EDTF, pdfmark, exiftool, nanotime and strftime output. The 1.0.0 release is a dependency bump, not a feature milestone.

◆ Where it's heading

Growth has come by adding output dialects and loosening parsing rather than by changing the core record. Recent releases handle TOML's ISO 8601 subset and times with no associated date, both narrow gaps in an otherwise settled design. The package tracks the clock package closely and much of its release traffic is keeping that alignment.

◆ Prediction

Further format dialects and parser edge cases are the likely path; the 1.0.0 label suggests the author considers the record type itself stable.

T
tern.mmrm
ANALYTICS
0.0

An MMRM tabulation package that has published nothing since its 2024 CRAN releases.

◆ Current state

tern.mmrm wraps mixed models for repeated measures into the tern tabulation and plotting layer used by teal clinical modules. The visible history ends with three CRAN releases in mid-to-late 2024; before that the feed carries only automated version bumps from 2022, three of which have just been backfilled into the record. The most recent substantive change adds axis limit arguments to the LS-means plot.

◆ Where it's heading

Content per release is thin and largely organisational: a maintainer change, replacing scda with random.cdisc.data in vignettes, and adapting to new {mmrm} versions. The package appears to be in maintenance, tracking its upstream dependency rather than developing independently. The 2022 entries now visible are release-automation commits, not releases in any meaningful sense.

◆ Prediction

Nothing here signals new functionality; the realistic next event is another compatibility release when {mmrm} or {rtables} changes underneath it.

Alternatives to r-datetimeoffset and tern.mmrm

Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either r-datetimeoffset or tern.mmrm.

See all r-datetimeoffset alternatives → · See all tern.mmrm alternatives →

Recent activity from r-datetimeoffset and tern.mmrm

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 1y agor-datetimeoffset1.0.0 raises the clock requirement; no functional change
  2. 1y agor-datetimeoffsetTOML output mode and support for time-only values
  3. 1y agotern.mmrmAxis limits added to the LS-means plot
  4. 2y agotern.mmrmMaintainer change and scda replaced in vignettes
  5. 2y agotern.mmrmCRAN 0.3.0 release, mostly workflow housekeeping
  6. 3y agor-datetimeoffsetpdfmark prefix option and clock ambiguity handling
  7. 3y agor-datetimeoffsetexiftool and XMP output formats
  8. 3y agor-datetimeoffsetInitial release: a datetime record with optional offsets and zones
  9. 3y agotern.mmrmAutomated version bump to 0.2.1
  10. 3y agotern.mmrmPre-release branch merge
  11. 4y agotern.mmrmCI automation commit, no release content

Frequently asked questions

What is the difference between r-datetimeoffset and tern.mmrm?

They serve adjacent needs but don't currently overlap on shipped themes. r-datetimeoffset and tern.mmrm are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.

Is r-datetimeoffset better than tern.mmrm?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. r-datetimeoffset and tern.mmrm are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.

What are the best alternatives to r-datetimeoffset?

Top r-datetimeoffset alternatives in Analytics are ranked by recent ship velocity. Browse the "r-datetimeoffset alternatives" section above for the current picks, or visit /alternatives/datetimeoffset for the full list with editorial commentary on each.

What are the best alternatives to tern.mmrm?

Top tern.mmrm alternatives in Analytics are ranked by recent ship velocity. Browse the "tern.mmrm alternatives" section above for the current picks, or visit /alternatives/tern-mmrm for the full list with editorial commentary on each.