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Comparison · Infra & APIs
contagionchannels vs pathfindR
A side-by-side editorial comparison of contagionchannels and pathfindR — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:r-package
contagionchannels vs pathfindR: at a glance
What is contagionchannels?
Three releases in ten days, every one of them a CRAN reviewer's correction rather than a code change.
contagionchannels reached CRAN on 2026-05-08 with a methodology preprint behind it and a cross-quantilogram lineage visible in its citations. What the release feed does not contain is any description of what the package computes: all three entries document the submission process — a licence field reduced from GPL-3 plus file to plain GPL-3, an arXiv reference rewritten in canonical DOI form, and a base-graphics fallback adjusted on a reviewer's request.
What is pathfindR?
pathfindR dropped Java from its subnetwork search and rebuilt it in C++
pathfindR runs active-subnetwork-oriented pathway enrichment on gene expression results. Version 3.0.0 re-implemented the greedy, simulated-annealing and genetic search algorithms in R and C++ through Rcpp, removing the Java dependency the package had carried since its early releases, and renamed three exported functions in the process. The two patches since have been consolidation: 3.0.1 fixed signed integer overflow in the new C++ hash function flagged by gcc-UBSAN and clang-UBSAN on CRAN, and 3.0.2 repaired tests after a companion data package changed a dataset structure.
contagionchannels vs pathfindR: editorial side-by-side
contagionchannels
0.0INFRA · APIS
Three releases in ten days, every one of them a CRAN reviewer's correction rather than a code change.
◆ Current state
contagionchannels reached CRAN on 2026-05-08 with a methodology preprint behind it and a cross-quantilogram lineage visible in its citations. What the release feed does not contain is any description of what the package computes: all three entries document the submission process — a licence field reduced from GPL-3 plus file to plain GPL-3, an arXiv reference rewritten in canonical DOI form, and a base-graphics fallback adjusted on a reviewer's request.
◆ Where it's heading
There is no product trajectory to read here yet, only a submission one, and it is unusually well documented — each entry names the reviewer or check that prompted it and quotes the feedback verbatim. That transparency is the one signal available: the maintainer treats review rounds as releases worth publishing rather than squashing. Any judgement about direction will have to wait for a release that changes the package rather than its metadata.
◆ Prediction
With CRAN acceptance secured, the next release should be the first to carry actual methodological content; until one appears, there is not enough in these entries to say where the package is heading.
pathfindR
0.0INFRA · APIS
pathfindR dropped Java from its subnetwork search and rebuilt it in C++
◆ Current state
pathfindR runs active-subnetwork-oriented pathway enrichment on gene expression results. Version 3.0.0 re-implemented the greedy, simulated-annealing and genetic search algorithms in R and C++ through Rcpp, removing the Java dependency the package had carried since its early releases, and renamed three exported functions in the process. The two patches since have been consolidation: 3.0.1 fixed signed integer overflow in the new C++ hash function flagged by gcc-UBSAN and clang-UBSAN on CRAN, and 3.0.2 repaired tests after a companion data package changed a dataset structure.
◆ Where it's heading
The dependency surface has been shrinking for two years and Java was the last heavy one. 2.4.0 removed magick, KEGGgraph and KEGGREST by moving KEGG visualization onto ggkegg; 2.7.0 pushed org.Hs.eg.db from Imports to Suggests under CRAN policy, with functions degrading to defaults when it is absent; 3.0.0 finished the job on the search engine itself. The corresponding cost is now visible in 3.0.1: owning the algorithms in C++ means owning their undefined-behaviour reports too.
◆ Prediction
Expect the near-term releases to keep hardening the Rcpp search code against sanitizer findings and to verify GA parity with the legacy JAR, since 3.0.0 claimed numerically identical results only for the greedy and simulated-annealing methods.
Alternatives to contagionchannels and pathfindR
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 contagionchannels or pathfindR.
WPML
WPML made machine translation the default, and its point releases keep chasing WordPress and page builders.
forestploter
A forest plot package that keeps handing users control of one more graphical detail.
ggInterval
Interval-valued data plotting, spending 2026 making its function names and examples survive CRAN.
rgm
A microbiome network model that got itself un-archived by deleting the dependency that killed it.
tidyaudit
Pipeline provenance for tidyverse workflows, recording what changed at each step without keeping the data.
See all contagionchannels alternatives → · See all pathfindR alternatives →
Recent activity from contagionchannels and pathfindR
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1mo agopathfindRTest fixes after a companion data package changed a dataset
- 1mo agopathfindRUndefined-behaviour fixes harden the new C++ search engine
- 1mo agopathfindRActive subnetwork search re-implemented in C++, Java dependency removed ⚡
- 3mo agocontagionchannelsv0.1.3 — first CRAN release
- 3mo agocontagionchannelsv0.1.2: switch arXiv reference in DESCRIPTION to canonical DOI form
- 3mo agocontagionchannelsv0.1.1: address CRAN reviewer feedback (License) + add arXiv reference
- 7mo agopathfindRHuman annotation database moves from Imports to Suggests
- 8mo agopathfindRGraceful handling for gene-set URL failures
- 1y agopathfindRKappa matrix fix for the igraph update
Frequently asked questions
What is the difference between contagionchannels and pathfindR?
Both compete on the same themes — r-package — within Infra & APIs. contagionchannels and pathfindR 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 contagionchannels better than pathfindR?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. contagionchannels and pathfindR 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 contagionchannels?
Top contagionchannels alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "contagionchannels alternatives" section above for the current picks, or visit /alternatives/contagionchannels for the full list with editorial commentary on each.
What are the best alternatives to pathfindR?
Top pathfindR alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "pathfindR alternatives" section above for the current picks, or visit /alternatives/pathfindr for the full list with editorial commentary on each.