tidytlg
A tables-listings-graphs package that reached CRAN and then went quiet.
Comparison · Analytics
geotargets vs simtrial
A side-by-side editorial comparison of geotargets and simtrial — release velocity, themes, recent moves, and the top alternatives to consider.
geotargets vs simtrial: at a glance
What is geotargets?
Geospatial targets grew from two raster helpers into a tiling and multi-backend pipeline layer.
geotargets extends the targets pipeline framework with target factories that know how to serialise geospatial objects — terra rasters and vectors, stars arrays, raster collections, and VRT references. It completed rOpenSci review and transferred ownership during 0.3.0. Writing behaviour is now configurable through per-target arguments and package-level options.
What is simtrial?
A fixed-design trial simulator grew a pluggable test framework, then spent a year proving the numbers
simtrial simulates time-to-event clinical trials and applies the tests used to analyse them — logrank, weighted logrank, MaxCombo, RMST, milestone. The 0.4.0 release turned it from a fixed-sample simulator into a group sequential one and standardised every test behind a common output contract, and the releases since have been about making that machinery correct and fast enough to run at scale. Version 1.0.0 arrived in June 2025 with the API settled and three vignettes explaining both the one-call and build-it-yourself paths.
geotargets vs simtrial: editorial side-by-side
geotargets
0.0ANALYTICS
Geospatial targets grew from two raster helpers into a tiling and multi-backend pipeline layer.
◆ Current state
geotargets extends the targets pipeline framework with target factories that know how to serialise geospatial objects — terra rasters and vectors, stars arrays, raster collections, and VRT references. It completed rOpenSci review and transferred ownership during 0.3.0. Writing behaviour is now configurable through per-target arguments and package-level options.
◆ Where it's heading
The arc runs from 'targets can hold a SpatRaster' to 'targets can hold a tiled, dynamically branched raster workflow with controlled datatype and driver.' Recent work is about giving users control over how objects hit disk — datatype, driver, metadata sidecars, pass-through arguments to the underlying writers — which is where correctness problems in geospatial pipelines actually live. External contributors are driving a visible share of it.
◆ Prediction
Expect continued work on write-path fidelity and format coverage rather than new target types, since the last two releases both resolved metadata and driver defaults that were silently losing information.
simtrial
0.0ANALYTICS
A fixed-design trial simulator grew a pluggable test framework, then spent a year proving the numbers
◆ Current state
simtrial simulates time-to-event clinical trials and applies the tests used to analyse them — logrank, weighted logrank, MaxCombo, RMST, milestone. The 0.4.0 release turned it from a fixed-sample simulator into a group sequential one and standardised every test behind a common output contract, and the releases since have been about making that machinery correct and fast enough to run at scale. Version 1.0.0 arrived in June 2025 with the API settled and three vignettes explaining both the one-call and build-it-yourself paths.
◆ Where it's heading
Post-1.0 the work is almost entirely statistical correctness and speed, and it is concentrated in sim_gs_n(): one-sided efficacy bounds, stratified targeted-event cut dates, a helper that derives cuttings straight from the design object. Performance moves in one direction throughout — dplyr replaced by data.table, foreach combination replaced by manual assembly, parallelisation added to sim_fixed_n() — because simulation-based operating characteristics are only useful if you can afford enough replications.
◆ Prediction
The recent fixes cluster on stratified and group sequential paths, so the next release most likely continues there rather than adding a new test type. The cut_from_design() helper suggests tighter coupling to gsDesign2 design objects is the direction of travel.
Alternatives to geotargets and simtrial
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 geotargets or simtrial.
Tplyr
Tplyr made clinical summary tables explain where every number came from.
rlistings
Clinical listings that keep inheriting their hardest problem — pagination — from the layer below.
hoardr
A cache-directory helper that has shipped nothing but CRAN-triggered patches for seven years.
gigs
gigs redesigned its whole conversion API for rOpenSci, then spent three releases getting the docs to build.
riem
A weather-data client that keeps rewriting its HTTP layer while slowly tightening its API.
See all geotargets alternatives → · See all simtrial alternatives →
Recent activity from geotargets and simtrial
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 8mo agosimtrialOne-sided efficacy bound and stratified cut date corrected
- 11mo agosimtrialsim_gs_n moved to data.table; stratified design example added
- 1y agosimtrial1.0.0 settles the wlr interface and documents both simulation paths
- 1y agogeotargetsGuards sozip metadata option against GDAL below 3.7
- 1y agogeotargetsVRT targets, datatype control, and GPKG default for vectors
- 1y agogeotargetsstars backend and dynamically branched raster tiles ⚡
- 1y agosimtrialMilestone Z-score denominator corrected; parallel sim_fixed_n arrives
- 2y agogeotargetsFirst release: raster, vector, and collection targets
- 2y agosimtrialChecks pass without Suggests dependencies
- 2y agosimtrialRMST and milestone tests, plus a user-definable cut and test framework ⚡
Frequently asked questions
What is the difference between geotargets and simtrial?
They serve adjacent needs but don't currently overlap on shipped themes. geotargets and simtrial 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 geotargets better than simtrial?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. geotargets and simtrial 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 geotargets?
Top geotargets alternatives in Analytics are ranked by recent ship velocity. Browse the "geotargets alternatives" section above for the current picks, or visit /alternatives/geotargets for the full list with editorial commentary on each.
What are the best alternatives to simtrial?
Top simtrial alternatives in Analytics are ranked by recent ship velocity. Browse the "simtrial alternatives" section above for the current picks, or visit /alternatives/simtrial for the full list with editorial commentary on each.