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ggdemetra vs quantities

A side-by-side editorial comparison of ggdemetra and quantities — release velocity, themes, recent moves, and the top alternatives to consider.

ggdemetra vs quantities: at a glance

Featureggdemetraquantities
SectorAnalyticsAnalytics
Velocity score0.00.0
Sparks · 30d00
Top themesseasonal-adjustment, ggplot2, time-series, tramo-seatsunits, measurement-uncertainty, error-propagation, r-package
Last editorial update51m ago1h ago
WebsiteVisit →Visit →

What is ggdemetra?

A ggplot2 layer for seasonal adjustment output, filling in one plot type at a time.

ggdemetra is a thin, focused bridge: it puts RJDemetra's seasonal adjustment results — TRAMO-SEATS and X-13 models — into ggplot2 geoms and autoplot methods. Development runs in short bursts separated by long quiet stretches, and the most recent work has been correcting SI ratio handling rather than adding surface. The API is small enough that a single function rename counts as the notable change in a release.

Read the full ggdemetra trajectory →

What is quantities?

The glue package that makes R carry units and uncertainty through the same calculation.

quantities combines the units and errors packages into one class so values keep both their measurement units and their uncertainty through arithmetic, subsetting and data frame operations. Recent releases have been narrow: fixes to the covariance and correlation implementations, and performance work on the data.frame methods. Most of the release traffic is coordination with its two parent packages.

Read the full quantities trajectory →

ggdemetra vs quantities: editorial side-by-side

G
ggdemetra
ANALYTICS
0.0

A ggplot2 layer for seasonal adjustment output, filling in one plot type at a time.

◆ Current state

ggdemetra is a thin, focused bridge: it puts RJDemetra's seasonal adjustment results — TRAMO-SEATS and X-13 models — into ggplot2 geoms and autoplot methods. Development runs in short bursts separated by long quiet stretches, and the most recent work has been correcting SI ratio handling rather than adding surface. The API is small enough that a single function rename counts as the notable change in a release.

◆ Where it's heading

The package has been steadily completing its coverage of the seasonal adjustment output surface: component extractors and autoplot methods in 0.2.3, SI ratio plotting in 0.2.5, then two releases of corrections to make SI ratios behave under TRAMO-SEATS jSA models and when no seasonal component is exported. Alongside that, the naming is being tidied — y_forecast() became raw(), and init_ggplot() shortened the setup boilerplate. This reads as a package approaching the edge of its intended scope and spending its effort on correctness.

◆ Prediction

Two consecutive releases fixing SI ratios under TRAMO-SEATS suggest that code path is the least settled part of the package, so further corrections there are the most likely next move. The entries give no indication of new model families or plot types being planned.

Q
quantities
ANALYTICS
0.0

The glue package that makes R carry units and uncertainty through the same calculation.

◆ Current state

quantities combines the units and errors packages into one class so values keep both their measurement units and their uncertainty through arithmetic, subsetting and data frame operations. Recent releases have been narrow: fixes to the covariance and correlation implementations, and performance work on the data.frame methods. Most of the release traffic is coordination with its two parent packages.

◆ Where it's heading

The design settled with 0.2.0, which made uncertainty unit-aware and added correlation and covariance support for quantities objects. Since then the package behaves like the integration layer it is — releasing when units, errors, dplyr or ggplot2 shift underneath it rather than on its own schedule. Several releases consist only of test repairs against upstream changes.

◆ Prediction

Expect the next release to follow a units or errors change rather than introduce new behaviour of its own.

Alternatives to ggdemetra and quantities

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 ggdemetra or quantities.

See all ggdemetra alternatives → · See all quantities alternatives →

Recent activity from ggdemetra and quantities

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

  1. 1y agoquantitiesFixes covariance and correlation implementations
  2. 2y agoquantitiesFaster data.frame methods
  3. 2y agoggdemetrasiratio() fix when TRAMO-SEATS exports no seasonal component
  4. 2y agoggdemetraraw() replaces y_forecast(); new init_ggplot() helper
  5. 2y agoggdemetraRe-tagged moments later as 0.2.7
  6. 3y agoquantitiesTest fixes for an upstream units change
  7. 3y agoggdemetraSI ratio plotting functions land
  8. 3y agoquantitiesUncertainty becomes unit-aware; adds correlation support
  9. 5y agoquantitiesCompatibility fix for units 0.7-0
  10. 5y agoggdemetrats2df() conversion helper and geom_outlier date fix
  11. 6y agoquantitiesFixes uncertainty propagation for offset unit conversions
  12. 6y agoggdemetrageom_arima no longer recomputes the model

Frequently asked questions

What is the difference between ggdemetra and quantities?

They serve adjacent needs but don't currently overlap on shipped themes. ggdemetra and quantities 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 ggdemetra better than quantities?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. ggdemetra and quantities 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 ggdemetra?

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

What are the best alternatives to quantities?

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