pr2database
The protist reference database keeps widening past the rRNA gene it was built on.
Comparison · Infra & APIs
jSDM vs packageRank
A side-by-side editorial comparison of jSDM and packageRank — release velocity, themes, recent moves, and the top alternatives to consider.
jSDM vs packageRank: at a glance
What is jSDM?
Joint species distribution models in Gibbs-sampled C++, quiet since 2023.
jSDM fits joint species distribution models by Gibbs sampling, with the sampler written in C++ against GSL and Armadillo and exposed through binomial probit, binomial logit, Poisson log and Gaussian entry points. The 0.2 line extended it with species traits, constrained factor loadings and residual-association plots. The one entry since 2023 carries only a compare link.
What is packageRank?
CRAN download analytics maintained one micro-change at a time, hundreds per year
packageRank computes download counts and percentile ranks from CRAN's logs, with a filtering layer that tries to separate real installs from mirrors, sequences and bots. The recent releases are dense lists of small changes — thirty or more per version — spread across plot arguments, filter behaviour, and the cranDistribution object that now absorbs what packageDistribution() used to do separately.
jSDM vs packageRank: editorial side-by-side
jSDM
0.0INFRA · APIS
Joint species distribution models in Gibbs-sampled C++, quiet since 2023.
◆ Current state
jSDM fits joint species distribution models by Gibbs sampling, with the sampler written in C++ against GSL and Armadillo and exposed through binomial probit, binomial logit, Poisson log and Gaussian entry points. The 0.2 line extended it with species traits, constrained factor loadings and residual-association plots. The one entry since 2023 carries only a compare link.
◆ Where it's heading
The package built out its model family quickly and then stopped: five of the six visible entries are stamped the same day as a backfilled archive, and the only later release says nothing about its contents. The direction the 0.2 line was heading, toward trait-mediated species effects and better convergence on latent variable models, has no visible continuation.
◆ Prediction
The feed does not support a confident prediction; the latest entry publishes no notes, so whether the package is still developing or only being kept CRAN-clean cannot be read from it.
packageRank
0.0INFRA · APIS
CRAN download analytics maintained one micro-change at a time, hundreds per year
◆ Current state
packageRank computes download counts and percentile ranks from CRAN's logs, with a filtering layer that tries to separate real installs from mirrors, sequences and bots. The recent releases are dense lists of small changes — thirty or more per version — spread across plot arguments, filter behaviour, and the cranDistribution object that now absorbs what packageDistribution() used to do separately.
◆ Where it's heading
There is no directional arc here; there is a maintainer keeping a measurement instrument calibrated against a data source that keeps moving. CRAN's logs went missing for a week in 2025 and the package now ships those dates as data and draws them as polygons on every plot. A chatgpt argument has been threaded through the plotting functions since 0.9.6. Function surface churns constantly — arguments renamed, plot helpers archived, others integrated.
◆ Prediction
Given the cadence, the next release will be another few dozen adjustments concentrated wherever CRAN's logs last surprised the maintainer. The consolidation of plotting arguments toward a single axis.package annotation looks unfinished.
Alternatives to jSDM and packageRank
Other Infra & APIs 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 jSDM or packageRank.
ggalign
Composable aligned layouts, rebuilt on S7 while ggplot2 4.0 lands underneath.
prioritizr
Conservation planning absorbs the literature's target-setting rules as code.
rsofun
An ecosystem model starts tracking carbon isotopes and land-use change.
usmap
Ten years in, US mapping splits its data out and finally adds Puerto Rico.
trackeR
Fitness-tracking analysis in slow maintenance, still absorbing upstream breakage.
See all jSDM alternatives → · See all packageRank alternatives →
Recent activity from jSDM and packageRank
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5mo agopackageRankPackage and version axis annotations across every plot
- 9mo agojSDMjSDM CRAN release v0.2.7: Joint Species Distribution Models
- 10mo agopackageRankMissing CRAN log dates shipped as data and drawn on plots
- 1y agopackageRankWeekend and version overlays for the base graphics path
- 1y agopackageRankPackage history prefers CRAN over the pkgsearch fallback
- 1y agopackageRankDistribution summaries gain totals and a top-N default
- 1y agopackageRankcranDistribution() object and a direct query family
- 3y agojSDMSpecies traits, constrained loadings and association plots
- 3y agojSDMFirst release: C++ Gibbs sampler for joint species models ⚡
- 3y agojSDMResidual correlation functions can filter to significant values
- 3y agojSDMjSDM_gaussian() fits continuous data with overdispersion
- 3y agojSDMFour versions of CRAN check corrections
Frequently asked questions
What is the difference between jSDM and packageRank?
They serve adjacent needs but don't currently overlap on shipped themes. jSDM and packageRank 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 jSDM better than packageRank?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. jSDM and packageRank 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 Infra & APIs products to evaluate alongside.
What are the best alternatives to jSDM?
Top jSDM alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "jSDM alternatives" section above for the current picks, or visit /alternatives/jsdm for the full list with editorial commentary on each.
What are the best alternatives to packageRank?
Top packageRank alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "packageRank alternatives" section above for the current picks, or visit /alternatives/packagerank for the full list with editorial commentary on each.