simlandr
Potential landscape tooling settling onto standard R generics after two rounds of renaming.
Comparison · Analytics
kde1d vs scimesh
A side-by-side editorial comparison of kde1d and scimesh — release velocity, themes, recent moves, and the top alternatives to consider.
kde1d vs scimesh: at a glance
What is kde1d?
A univariate density estimator that added zero-inflated data and reopened its C++ API to do it.
kde1d estimates univariate densities with local polynomial kernel methods, handling bounded, discrete and now zero-inflated variables through a single type argument, with the numerical work in a header-only C++ library usable outside R. Version 1.1.0 added the zero-inflated discrete-continuous mixture case and shipped a new C++ API as an explicit breaking change; 1.1.1 followed in June with auto-generated notes and no description.
What is scimesh?
A C++ mesh renderer grinding through CRAN's gate, one policy fix at a time
scimesh is a C++ scientific mesh rendering library with an R binding, released in tight bursts by the dfsp-spirit neuroimaging group. The last month is dominated by CRAN admission work: stripped debug symbols, assert removal in vendored third-party code, vignette index fixes. Around that compliance grind sit genuine additions — an rgl-to-scimesh auto-conversion path, a camera_orbit helper for video, contrast as a render option.
kde1d vs scimesh: editorial side-by-side
kde1d
0.0ANALYTICS
A univariate density estimator that added zero-inflated data and reopened its C++ API to do it.
◆ Current state
kde1d estimates univariate densities with local polynomial kernel methods, handling bounded, discrete and now zero-inflated variables through a single type argument, with the numerical work in a header-only C++ library usable outside R. Version 1.1.0 added the zero-inflated discrete-continuous mixture case and shipped a new C++ API as an explicit breaking change; 1.1.1 followed in June with auto-generated notes and no description.
◆ Where it's heading
The package has alternated between performance work and widening the class of data it accepts. The 1.0.0 release was the performance milestone — FFT-based estimation, a better integration algorithm for the p, q and r functions, deterministic jittering replacing randomness, and standalone C++ headers. The 1.1.0 release is the scope milestone, adding a third data type to the two it already handled. Releases come from the same maintainer as svines and cluster on shared dates, so changes in the underlying C++ surface across the vine and density stack tend to ship together.
◆ Prediction
With the C++ API deliberately reworked for standalone use at 1.1.0, further work most plausibly consolidates that interface rather than adding data types. What 1.1.1 actually changed is not readable from its body.
scimesh
5.0ANALYTICS
A C++ mesh renderer grinding through CRAN's gate, one policy fix at a time
◆ Current state
scimesh is a C++ scientific mesh rendering library with an R binding, released in tight bursts by the dfsp-spirit neuroimaging group. The last month is dominated by CRAN admission work: stripped debug symbols, assert removal in vendored third-party code, vignette index fixes. Around that compliance grind sit genuine additions — an rgl-to-scimesh auto-conversion path, a camera_orbit helper for video, contrast as a render option.
◆ Where it's heading
The tag stream is non-monotonic — 0.2.5, 0.2.3 and 0.2.6 land within 40 seconds of each other, and 0.2.8 precedes nothing — so version order here says nothing about what shipped when. Read as a whole, the arc is a C++ codebase being domesticated for R distribution: the rendering features are largely settled, and the effort has moved to making an >5MB-adjacent C++ package survive R CMD check --as-cran. The R vignette has been restructured twice in three weeks.
◆ Prediction
Expect continued CRAN-review round-trips at 0.3.x until acceptance, with feature work confined to the CLI renderer examples rather than the core library.
Alternatives to kde1d and scimesh
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 kde1d or scimesh.
lavaanExtra
SEM reporting helpers converging on APA output, one CRAN resubmission at a time.
ibis.iSDM
A raster-to-terra migration is the only readable change in a feed of merge notes.
anyflights
A nycflights13 generator whose recent work is all about the data being right.
vinereg
Conditional density and log-likelihood fill out a vine copula regression package.
stringx
A drop-in string API for base R, kept alive by upstream check failures.
See all kde1d alternatives → · See all scimesh alternatives →
Recent activity from kde1d and scimesh
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5d agoscimeshVersion 0.3.2 -- CRAN review fixes
- 19d agoscimeshVersion 0.2.8 -- Changes for CRAN submission only
- 19d agoscimeshVersion 0.2.7 -- Small improvements
- 1mo agoscimeshVersion 0.2.5 -- Fix CRAN checks
- 1mo agoscimeshVersion 0.2.3 -- Convenience Image Ops
- 1mo agoscimeshVersion 0.2.6 -- Add contrast render option
- 1y agokde1dkde1d 1.1.1
- 1y agokde1dZero-inflated mixtures and a new standalone C++ API ⚡
- 4y agokde1dBit-wise Boolean operations removed
- 5y agokde1ddkde1d() invisible output fixed
- 5y agokde1dValgrind false positive silenced
- 6y agokde1dqrng dependency dropped; undefined behaviour fixed
Frequently asked questions
What is the difference between kde1d and scimesh?
They serve adjacent needs but don't currently overlap on shipped themes. scimesh is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is kde1d better than scimesh?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. scimesh is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to kde1d?
Top kde1d alternatives in Analytics are ranked by recent ship velocity. Browse the "kde1d alternatives" section above for the current picks, or visit /alternatives/kde1d for the full list with editorial commentary on each.
What are the best alternatives to scimesh?
Top scimesh alternatives in Analytics are ranked by recent ship velocity. Browse the "scimesh alternatives" section above for the current picks, or visit /alternatives/scimesh for the full list with editorial commentary on each.