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The Manhattan-plot package for GWAS results, finished and dormant since 2017.
Comparison · Analytics
dggridR vs symengine
A side-by-side editorial comparison of dggridR and symengine — release velocity, themes, recent moves, and the top alternatives to consider.
dggridR vs symengine: at a glance
What is dggridR?
A discrete global grid generator grew cell traversal and became a usable spatial index.
dggridR builds discrete global grids — icosahedral tessellations of the Earth into equal-area hexagonal or triangular cells — by wrapping the DGGRID C++ engine. The 4.1.0 release adds dgneighbors, dgchildren and dgparent for moving between adjacent cells and across resolutions, plus dgpoints_to_cells and dgbin_points for mapping and aggregating point data into cells. New aperture 7 and mixed-aperture ISEA43H grid types arrive alongside them.
What is symengine?
An R symbolic-maths binding whose changelog is really the C++ core's release notes.
symengine gives R access to the SymEngine computer algebra core for symbolic expressions, matrices and sets. The tracked feed carries the upstream C++ library's releases rather than R-binding changes, so what shows here is core work: parser fixes, locale-independent double parsing, an SOVERSION bump and matrix transpose corrections. Feature growth in the core has slowed considerably since the 0.9 and 0.10 releases.
dggridR vs symengine: editorial side-by-side
dggridR
0.0ANALYTICS
A discrete global grid generator grew cell traversal and became a usable spatial index.
◆ Current state
dggridR builds discrete global grids — icosahedral tessellations of the Earth into equal-area hexagonal or triangular cells — by wrapping the DGGRID C++ engine. The 4.1.0 release adds dgneighbors, dgchildren and dgparent for moving between adjacent cells and across resolutions, plus dgpoints_to_cells and dgbin_points for mapping and aggregating point data into cells. New aperture 7 and mixed-aperture ISEA43H grid types arrive alongside them.
◆ Where it's heading
The package changed hands in effect as well as in code: the 4.0.0 engine update to DGGRID v9.0b and the first real test suite were contributed by Sebastian Krantz, who also maintains the upstream engine fork, and 4.1.0's feature burst followed two weeks later. The direction of that burst is unmistakable — away from generating grids for plotting and toward using them as an indexing structure that point data gets binned into and navigated through.
◆ Prediction
Expect the cell hierarchy functions to extend to non-hexagonal apertures and multi-level traversal, closing the remaining gaps against established global indexing systems.
symengine
0.0ANALYTICS
An R symbolic-maths binding whose changelog is really the C++ core's release notes.
◆ Current state
symengine gives R access to the SymEngine computer algebra core for symbolic expressions, matrices and sets. The tracked feed carries the upstream C++ library's releases rather than R-binding changes, so what shows here is core work: parser fixes, locale-independent double parsing, an SOVERSION bump and matrix transpose corrections. Feature growth in the core has slowed considerably since the 0.9 and 0.10 releases.
◆ Where it's heading
The upstream core has moved from adding capability — serialization, a first simplify(), set types, matrix expressions, LLVM support — toward maintenance: build fixes, dependency support such as Flint3, and correctness patches. For R users the practical consequence is that new symbolic features arrive only as fast as the binding exposes them, which this feed does not report on.
◆ Prediction
Expect further upstream maintenance releases tracking LLVM and Flint versions; nothing in these notes signals a new capability push.
Alternatives to dggridR and symengine
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 dggridR or symengine.
constants
The R package for CODATA constants rebuilt its symbol table on NIST's naming so future updates stop being hand work.
austraits
The R client for AusTraits spends its releases chasing the dataset it reads.
ggdemetra
A ggplot2 layer for seasonal adjustment output, filling in one plot type at a time.
fossilsim
A fossil-record simulator that quietly grew a trait-evolution engine.
tern.rbmi
Reference-based multiple imputation tables, shipping only what CRAN checks demand.
See all dggridR alternatives → · See all symengine alternatives →
Recent activity from dggridR and symengine
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 3mo agodggridRCell neighbors, parents and children make the grid navigable ⚡
- 3mo agodggridRBundled DGGRID engine updated to v9.0b with a test suite
- 3mo agodggridRMaster merged into development ahead of the 4.0 work
- 1y agosymengineLocale-independent double parsing and matrix transpose fix
- 2y agosymengineFlint3 support and SBML printing fixes
- 3y agosymengineBuild fixes only, no functional change
- 3y agosymengineMatrix expressions, Intersection class and LLVM 16 support
- 4y agosymengineAdds serialization and a first simplify() implementation
- 4y agosymengineFixes MSVC2017 compilation failure
Frequently asked questions
What is the difference between dggridR and symengine?
They serve adjacent needs but don't currently overlap on shipped themes. dggridR and symengine 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 dggridR better than symengine?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. dggridR and symengine 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 dggridR?
Top dggridR alternatives in Analytics are ranked by recent ship velocity. Browse the "dggridR alternatives" section above for the current picks, or visit /alternatives/dggridr for the full list with editorial commentary on each.
What are the best alternatives to symengine?
Top symengine alternatives in Analytics are ranked by recent ship velocity. Browse the "symengine alternatives" section above for the current picks, or visit /alternatives/symengine-r for the full list with editorial commentary on each.