HydroPortailStats
France's national flood statistics, ported out of Fortran and into R.
Comparison · Infra & APIs
ltertools vs survivoR
A side-by-side editorial comparison of ltertools and survivoR — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:r-package
ltertools vs survivoR: at a glance
What is ltertools?
A column-key toolkit for stitching decades of ecological field data into one table.
ltertools serves the Long Term Ecological Research network, where the same measurement carries a different column name at every site and in every era. Its core is a column key: begin_key drafts one, harmonize applies it, and the 2.0.0 release added check_key to validate a key and standardize to apply one to a single dataset. Harmonization of files above 5 MB now runs in roughly half the time.
What is survivoR?
A Survivor data package that keeps turning a TV show into a relational database
survivoR ships Survivor franchise data as R data frames covering the US, Australian, UK and New Zealand versions. Recent releases track broadcast: US48, US49 and US50 arrived across 2.3.6, 2.3.9 and 2.3.12, alongside AU09, AU12 and Australia vs. The World. The 2.3.12 release also reworked castaway_scores into an explicit three-tier structure - standardised residual scores, probabilistic scores bounded on [0,1], and combined scores - and added advantage_timeline as a long-format view of advantage movement.
ltertools vs survivoR: editorial side-by-side
ltertools
0.0INFRA · APIS
A column-key toolkit for stitching decades of ecological field data into one table.
◆ Current state
ltertools serves the Long Term Ecological Research network, where the same measurement carries a different column name at every site and in every era. Its core is a column key: begin_key drafts one, harmonize applies it, and the 2.0.0 release added check_key to validate a key and standardize to apply one to a single dataset. Harmonization of files above 5 MB now runs in roughly half the time.
◆ Where it's heading
Development has moved from breadth to depth. The first year added assorted utilities — temperature conversion, solar day length, a site timeline — while the last two releases have concentrated on the key workflow itself: incremental key expansion, validation, per-dataset application, and speed. A dependency archival forced the removal of the JSON helper, trimming the package back toward that core.
◆ Prediction
The key workflow now has draft, expand, check and apply steps, so the remaining gap is diagnostics on the harmonized output; the entries show no other thread in progress.
survivoR
0.0INFRA · APIS
A Survivor data package that keeps turning a TV show into a relational database
◆ Current state
survivoR ships Survivor franchise data as R data frames covering the US, Australian, UK and New Zealand versions. Recent releases track broadcast: US48, US49 and US50 arrived across 2.3.6, 2.3.9 and 2.3.12, alongside AU09, AU12 and Australia vs. The World. The 2.3.12 release also reworked castaway_scores into an explicit three-tier structure - standardised residual scores, probabilistic scores bounded on [0,1], and combined scores - and added advantage_timeline as a long-format view of advantage movement.
◆ Where it's heading
The work is less about adding seasons than about making the tables join cleanly. 2.3.1 rebuilt challenge_description and challenge_results around a shared challenge_id, added challenge characteristic flags and result notes, and put logical finalist, winner and jury flags on castaways. Since then the pattern repeats at smaller scale: boot_order as its own table, season_name deprecated everywhere except season_summary, castaways cleaned so people booted twice appear once. Derived analytical columns are being separated from raw records rather than mixed into them.
◆ Prediction
Expect the next release to add the current season's data on the same broadcast-following cadence, with any structural work continuing to split derived scores out of the raw tables.
Alternatives to ltertools and survivoR
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 ltertools or survivoR.
bsvarSIGNs
Sign, zero and narrative restrictions brought into the bsvars ecosystem.
estimatr
Fast design-based estimators for experiments, coasting on CRAN patches.
ggdist
The grammar of uncertainty visualization, now drawing the uncertainty in its own estimates.
ipaddress
IP address vectors for R that hit 1.0 and then went quiet.
finnts
Microsoft's automated forecasting framework, still mostly a one-maintainer effort.
See all ltertools alternatives → · See all survivoR alternatives →
Recent activity from ltertools and survivoR
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2mo agosurvivoRUS50 and AU12 land, castaway scores split into three tiers
- 7mo agosurvivoRUS49 data completed and season 50 cast added
- 11mo agosurvivoRSurvivor Australia vs. The World added
- 11mo agoltertoolsWarning wording and a ggplot2 4.0.0 test update
- 1y agosurvivoRboot_order table added and castaways deduplicated
- 1y agoltertoolsKey validation and single-dataset standardizing; JSON helper dropped
- 1y agoltertoolsIncremental key expansion for newly added files
- 1y agoltertoolsSolar day calculations, JSON export, defensive checks in harmonize
- 2y agosurvivoRComplete AU09 data reaches CRAN
- 2y agoltertoolsFirst CRAN release: the column-key harmonization workflow
- 2y agosurvivoRChallenge tables rebuilt around a shared linking key
Frequently asked questions
What is the difference between ltertools and survivoR?
Both compete on the same themes — r-package — within Infra & APIs. ltertools and survivoR 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 ltertools better than survivoR?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. ltertools and survivoR 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 ltertools?
Top ltertools alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "ltertools alternatives" section above for the current picks, or visit /alternatives/ltertools for the full list with editorial commentary on each.
What are the best alternatives to survivoR?
Top survivoR alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "survivoR alternatives" section above for the current picks, or visit /alternatives/survivor for the full list with editorial commentary on each.