datefixR
The messy-date parser rewrote its core in Rust and came out 300x faster.
Comparison · Analytics
sdtm.oak vs waywiser
A side-by-side editorial comparison of sdtm.oak and waywiser — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:r-package
sdtm.oak vs waywiser: at a glance
What is sdtm.oak?
Two releases in, the open-source SDTM toolkit now covers the domains it originally excluded.
sdtm.oak builds SDTM datasets — the tabulation standard clinical trial submissions are filed in — from raw collected data. The 0.1.0 release shipped the mapping algorithm functions and derived-variable helpers but explicitly excluded DM, trial design domains, and several others. Version 0.2.0 closes the largest of those gaps, adding DM domain support via calc_min_max_date() and oak_calc_ref_dates(), plus generate_sdtm_supp() for supplemental qualifier domains.
What is waywiser?
Spatial model assessment that spent the last year on cross-platform arithmetic and CRAN rules.
waywiser provides spatial model assessment metrics in a tidymodels idiom — spatial autocorrelation measures, area of applicability, and multi-scale assessment of predictions. The substantive work landed in 0.3.0 through 0.5.0, and the recent releases are consolidation: 0.6.0 made metric functions return NA everywhere they previously returned NaN, because macOS disagreed with every other platform, and taught ww_multi_scale() to handle classification and class probability metrics correctly when given rasters. The three releases since are entirely CRAN policy compliance — no internet downloads during checks, no writing to directories, no syntax that would raise the R version floor.
sdtm.oak vs waywiser: editorial side-by-side
sdtm.oak
0.0ANALYTICS
Two releases in, the open-source SDTM toolkit now covers the domains it originally excluded.
◆ Current state
sdtm.oak builds SDTM datasets — the tabulation standard clinical trial submissions are filed in — from raw collected data. The 0.1.0 release shipped the mapping algorithm functions and derived-variable helpers but explicitly excluded DM, trial design domains, and several others. Version 0.2.0 closes the largest of those gaps, adding DM domain support via calc_min_max_date() and oak_calc_ref_dates(), plus generate_sdtm_supp() for supplemental qualifier domains.
◆ Where it's heading
This is the pharmaverse pattern of building submission tooling in the open, one domain class at a time, with the release history running through GitHub release-candidate tags before each CRAN submission. The direction is clear from the domain checklist: start with the mechanically simple Findings and Events domains, then work toward the ones with cross-dataset dependencies. DM and SUPP were the two that most often forced teams back to bespoke code.
◆ Prediction
The remaining exclusions from the 0.1.0 scope — trial design domains, SV, SE, RELREC and the EPOCH variable — are the obvious next targets, with EPOCH likely first since it depends on the reference dates 0.2.0 just added. Expect the same rhythm of release candidates ahead of each CRAN submission.
waywiser
0.0ANALYTICS
Spatial model assessment that spent the last year on cross-platform arithmetic and CRAN rules.
◆ Current state
waywiser provides spatial model assessment metrics in a tidymodels idiom — spatial autocorrelation measures, area of applicability, and multi-scale assessment of predictions. The substantive work landed in 0.3.0 through 0.5.0, and the recent releases are consolidation: 0.6.0 made metric functions return NA everywhere they previously returned NaN, because macOS disagreed with every other platform, and taught ww_multi_scale() to handle classification and class probability metrics correctly when given rasters. The three releases since are entirely CRAN policy compliance — no internet downloads during checks, no writing to directories, no syntax that would raise the R version floor.
◆ Where it's heading
The package has reached the point where the interesting bugs are cross-platform and cross-package rather than statistical. Its main function, ww_multi_scale(), has been the focus of nearly every release since 0.4.0, working through units handling, aggregation ordering, raster inputs and metric-type dispatch. The dependency on vip and the tidymodels metric machinery means a share of releases exist only to track breaking changes elsewhere.
◆ Prediction
Expect the next substantive release to continue on ww_multi_scale() edge cases, given that it has absorbed most of the fixes in this window. The recent run of CRAN-compliance patches suggests no feature work is currently in flight.
Alternatives to sdtm.oak and waywiser
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 sdtm.oak or waywiser.
maplegend
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R help pages translated on demand by whichever LLM you point it at.
mapsf
Thematic mapping in base R that finally got a theming system, then spent two years polishing legends.
qualtRics
qualtRics moved its contact functions onto XM Directory days before the old endpoints died.
fabletools
The tidyverts forecasting core rebuilt model combination on full residual covariance.
See all sdtm.oak alternatives → · See all waywiser alternatives →
Recent activity from sdtm.oak and waywiser
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1y agosdtm.oaksdtm.oak v0.2.0 CRAN release ⚡
- 1y agowaywiserStops downloading data during CRAN checks
- 1y agowaywiserVignettes no longer write to CRAN directories
- 1y agowaywiserKeeps the R version floor below 4.1
- 1y agosdtm.oaksdtm.oak v0.1.1 CRAN release
- 1y agosdtm.oaksdtm.oak v0.1.0 CRAN release
- 1y agosdtm.oakv0.1.0rc4: [skip vbump] 90 cran comments (#91)
- 2y agosdtm.oakv0.1.0rc2: Fix CRAN Comments (#84)
- 2y agosdtm.oakv0.1.0: [skip vbump] Bump version for cran release (#77)
- 2y agowaywiserNaN results become NA; raster metrics dispatch correctly
- 2y agowaywiserGuards against ignored grid arguments; faster on sf data
- 2y agowaywiserFixes wrong observation counts and ignored grid units
Frequently asked questions
What is the difference between sdtm.oak and waywiser?
Both compete on the same themes — r-package — within Analytics. sdtm.oak and waywiser 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 sdtm.oak better than waywiser?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. sdtm.oak and waywiser 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 sdtm.oak?
Top sdtm.oak alternatives in Analytics are ranked by recent ship velocity. Browse the "sdtm.oak alternatives" section above for the current picks, or visit /alternatives/sdtm-oak for the full list with editorial commentary on each.
What are the best alternatives to waywiser?
Top waywiser alternatives in Analytics are ranked by recent ship velocity. Browse the "waywiser alternatives" section above for the current picks, or visit /alternatives/waywiser for the full list with editorial commentary on each.