tern.rbmi
Reference-based multiple imputation tables, shipping only what CRAN checks demand.
Comparison · Analytics
geodist vs parallelDist
A side-by-side editorial comparison of geodist and parallelDist — release velocity, themes, recent moves, and the top alternatives to consider.
geodist vs parallelDist: at a glance
What is geodist?
geodist stays dependency-free and fast, and warns you when 'cheap' distances stop being honest.
geodist computes geodesic distances between coordinate pairs in C with no dependencies, offering several measures that trade accuracy for speed — including a 'cheap' approximation used by default. The API is small and largely finished; 0.1.0 added geodist_min() for nearest-match lookups and 0.1.1 is a compiler warning fix.
What is parallelDist?
parallelDist is in pure preservation mode — one build fix every few years.
parallelDist computes distance matrices across threads in C++ via RcppParallel and Armadillo. The feature set has been settled since 0.2.3 in 2018, which added hamming distance and cosine similarity; everything after that is compatibility work. The most recent release, 0.2.7, exists only to drop a C++11 pin that newer Armadillo versions no longer tolerate.
geodist vs parallelDist: editorial side-by-side
geodist
0.0ANALYTICS
geodist stays dependency-free and fast, and warns you when 'cheap' distances stop being honest.
◆ Current state
geodist computes geodesic distances between coordinate pairs in C with no dependencies, offering several measures that trade accuracy for speed — including a 'cheap' approximation used by default. The API is small and largely finished; 0.1.0 added geodist_min() for nearest-match lookups and 0.1.1 is a compiler warning fix.
◆ Where it's heading
Development has been about making the speed-accuracy trade visible rather than hiding it. The 0.0.6 release added messages telling users to pick a different measure once the default cheap approximation is applied beyond 100km, where its error stops being negligible. Around that, the work is input handling — tibble support, better lon/lat column matching, vector inputs — and hardening the C code. It is a package that treats being small and correct as the feature.
◆ Prediction
Expect continued low-frequency maintenance: compiler warnings and geodesic source updates account for three of the last six releases, and the function surface has grown by only two entries in five years.
parallelDist
0.0ANALYTICS
parallelDist is in pure preservation mode — one build fix every few years.
◆ Current state
parallelDist computes distance matrices across threads in C++ via RcppParallel and Armadillo. The feature set has been settled since 0.2.3 in 2018, which added hamming distance and cosine similarity; everything after that is compatibility work. The most recent release, 0.2.7, exists only to drop a C++11 pin that newer Armadillo versions no longer tolerate.
◆ Where it's heading
The package is being kept installable, not developed. The three most recent releases are a toolchain pin removal, a DESCRIPTION field removal, and a coercion change inherited from proxy — none originate from user-facing intent. Gaps of three to four years between releases are the norm now, and each one is triggered by something upstream breaking rather than by a roadmap.
◆ Prediction
The next release will almost certainly be another compatibility fix timed to whatever Armadillo, Rcpp or CRAN check policy changes next. Nothing in the entries points to new distance measures or API work.
Alternatives to geodist and parallelDist
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 geodist or parallelDist.
tern.mmrm
An MMRM tabulation package that has published nothing since its 2024 CRAN releases.
ggmagnify
A single-purpose ggplot2 inset tool, refining the same three arguments.
symengine
An R symbolic-maths binding whose changelog is really the C++ core's release notes.
gtfstools
gtfstools stopped guarding its own object model and started accepting everyone else's.
quantities
The glue package that makes R carry units and uncertainty through the same calculation.
See all geodist alternatives → · See all parallelDist alternatives →
Recent activity from geodist and parallelDist
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 10mo agoparallelDistparallelDist 0.2.7 drops the C++11 pin for newer Armadillo
- 1y agogeodistgeodist 0.1.1 clears a clang warning in geodesic.c
- 2y agogeodistgeodist 0.1.0 adds geodist_min() for nearest matches
- 3y agogeodistgeodist 0.0.8 updates geodesic source, fixes clang warnings
- 4y agoparallelDistparallelDist 0.2.6: LazyData removed, vignette font swapped
- 4y agoparallelDistparallelDist 0.2.5 changes cosine distance to 1-x
- 5y agogeodistgeodist 0.0.7 improves lon/lat column matching and tibbles
- 5y agogeodistgeodist 0.0.6 warns when cheap distances exceed 100km
- 6y agogeodistgeodist 0.0.4 adds geodist_vec() for vector inputs
- 7y agoparallelDistparallelDist 0.2.4 fixes the Solaris build
- 7y agoparallelDistparallelDist 0.2.3 adds hamming and cosine measures
- 7y agoparallelDistparallelDist 0.2.2
Frequently asked questions
What is the difference between geodist and parallelDist?
They serve adjacent needs but don't currently overlap on shipped themes. geodist and parallelDist 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 geodist better than parallelDist?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. geodist and parallelDist 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 geodist?
Top geodist alternatives in Analytics are ranked by recent ship velocity. Browse the "geodist alternatives" section above for the current picks, or visit /alternatives/geodist-r for the full list with editorial commentary on each.
What are the best alternatives to parallelDist?
Top parallelDist alternatives in Analytics are ranked by recent ship velocity. Browse the "parallelDist alternatives" section above for the current picks, or visit /alternatives/paralleldist for the full list with editorial commentary on each.