metatools
SDTM supplemental-qualifier merging got sturdier, then the package went quiet for two years.
Comparison · Analytics
epiparameter vs lobstr
A side-by-side editorial comparison of epiparameter and lobstr — release velocity, themes, recent moves, and the top alternatives to consider.
epiparameter vs lobstr: at a glance
What is epiparameter?
epiparameter split its parameter library out of the package — and relicensed what remained.
epiparameter provides classes and methods for working with epidemiological parameter distributions — delays, offspring distributions, incubation periods — drawn from the published literature. As of 0.4.0 the library itself no longer lives here: the parameters moved to {epiparameterDB}, taken on as a dependency, leaving {epiparameter} as the code layer alone. The most recent release is a CRAN-driven patch.
What is lobstr?
R's object inspector is losing its view of the internals as CRAN closes off the private C API.
lobstr exposes R's internal object representation — sizes, addresses, reference counts, abstract syntax trees. Its two most recent releases are both driven by R's move to a restricted public C API: 1.1.3 stopped reporting a vector's truelength and reworked the reference indicator into refs:n, and 1.2.0 changed what sxp(expand = "environment") shows in order to stay compliant. 1.2.0 also adds src() for exploring srcref objects.
epiparameter vs lobstr: editorial side-by-side
epiparameter
0.0ANALYTICS
epiparameter split its parameter library out of the package — and relicensed what remained.
◆ Current state
epiparameter provides classes and methods for working with epidemiological parameter distributions — delays, offspring distributions, incubation periods — drawn from the published literature. As of 0.4.0 the library itself no longer lives here: the parameters moved to {epiparameterDB}, taken on as a dependency, leaving {epiparameter} as the code layer alone. The most recent release is a CRAN-driven patch.
◆ Where it's heading
Each release has clarified the boundary between the data and the tools that operate on it. 0.2.0 added coercion from {epireview} tables, 0.3.0 rewrote the classes and renamed much of the API, and 0.4.0 completed the separation while adding caching so loading the library stays cheap. Breaking changes have been frequent and deliberate rather than incidental.
◆ Prediction
With code and data separated, the two can version independently — expect parameter additions to appear in {epiparameterDB} releases while this package's changes stay focused on classes and methods.
lobstr
0.0ANALYTICS
R's object inspector is losing its view of the internals as CRAN closes off the private C API.
◆ Current state
lobstr exposes R's internal object representation — sizes, addresses, reference counts, abstract syntax trees. Its two most recent releases are both driven by R's move to a restricted public C API: 1.1.3 stopped reporting a vector's truelength and reworked the reference indicator into refs:n, and 1.2.0 changed what sxp(expand = "environment") shows in order to stay compliant. 1.2.0 also adds src() for exploring srcref objects.
◆ Where it's heading
The package is being rebuilt inside a shrinking window of what R permits. Each release trades some introspection depth for API conformance while trying to keep the diagnostic value intact — showing promise expressions instead of internal frame structures, replacing named with a documented refs scale. Where the constraint does not bite, development continues normally: src() is genuinely new, and the environment-binding fixes remove long-standing errors on for-loop and immediate bindings.
◆ Prediction
Expect further conformance work, since the notes describe it as ongoing, with any remaining non-API-dependent readouts either reworked or dropped as R tightens further.
Alternatives to epiparameter and lobstr
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 epiparameter or lobstr.
marquee
marquee is filling in the typographic details — outlines, border types, real font metrics for underlines.
logrx
A clinical-script logger that stopped shipping after its 0.2 line, changelogs made of merged PRs.
GSODR
A weather-station data client that broke one return type to hand back distances instead of bare IDs.
giscoR
giscoR's 1.0 moved its dataset index into the cache, so new Eurostat releases arrive without a package update.
FedData
FedData has spent two major versions migrating US federal geodata off R's retiring spatial stack.
See all epiparameter alternatives → · See all lobstr alternatives →
Recent activity from epiparameter and lobstr
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5mo agolobstrNew src() for srcrefs; environment bindings stop erroring
- 9mo agolobstrtruelength reporting dropped for public C API compliance ⚡
- 1y agoepiparameterCRAN check fixes
- 1y agoepiparameterParameter library moves to epiparameterDB; package relicensed to MIT alone ⚡
- 1y agoepiparameterClasses and methods reworked; large-scale renaming
- 2y agoepiparameterInteroperability with epireview via as_epidist()
- 2y agoepiparameterFirst release: 122 parameter sets and the epidist class
- 4y agolobstrMoves to cpp11, relicensed MIT, adds experimental tree()
- 7y agolobstrPROTECT error fixed
- 7y agolobstrALTREP sizes computed correctly; obj_addr() stops side-effecting
Frequently asked questions
What is the difference between epiparameter and lobstr?
They serve adjacent needs but don't currently overlap on shipped themes. epiparameter and lobstr 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 epiparameter better than lobstr?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. epiparameter and lobstr 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 epiparameter?
Top epiparameter alternatives in Analytics are ranked by recent ship velocity. Browse the "epiparameter alternatives" section above for the current picks, or visit /alternatives/epiparameter for the full list with editorial commentary on each.
What are the best alternatives to lobstr?
Top lobstr alternatives in Analytics are ranked by recent ship velocity. Browse the "lobstr alternatives" section above for the current picks, or visit /alternatives/lobstr for the full list with editorial commentary on each.