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nfl4th 1.0.6

• The internal cache is now aware of changed model formats and forces a model update for compatibility with xgboost (>= v3). (#53)

Thank you to @isaactpetersen, and @mrcaseb for their questions, feedback, and contributions towards this release.

nfl4th 1.0.5

• Stop letting roof break things
• New location for pre-computed numbers
• Re-work field goal model. Takes into account improvements in accuracy (especially on long kicks) and gives probability > 0 on kicks of over 70 yards
• Update models and internals to be compatible with newer xgboost (>= v3) versions. (#41)
• nfl4th now requires R 4.1 to allow the package to use R’s native pipe |> operator. This follows the Tidyverse R version support rules. (#43)

nfl4th 1.0.4

• Create package cache directory with tools::R_user_dir() because CRAN doesn’t like rappdirs::user_cache_dir()

nfl4th 1.0.3

• Re-export xgboost models to get rid of annoying warning message
• Tweak how close to end of game it will calculate probabilities
• Required data isn’t loaded directly with the package. Instead the download is triggered when necessary and cached in a local package cache. The cache can be cleared with the new function nfl4th_clear_cache(). The package resets the cache partly when loaded. This can be prevented with options(nfl4th.keep_games = TRUE).
• Update win probability model. Instead of only using nflfastR, it stacks nflfastR with another model
• Fixup cache paths.
• Remove tidyverse from Suggests

nfl4th 1.0.2

• Nothing changed. Forced update to documentation to not get kicked off CRAN

nfl4th 1.0.1

• Fix for aborted plays on punts being called going for it
• Re-categorized some plays as unknown (i.e., NA) go: False Start or defensive encroachment along with being lined up to go for it (run formation or pass formation)
• Added fast argument to load_4th_pbp() which allows for loading pre-computed go_boost rather than needing to calculate it

nfl4th 1.0.0

• Initial public release

nfl4th 0.0.0.9000

• Release as package
• Fixes with touchdowns. Instead of granting 7 points, assumes teams choose best option between PAT or 2pt and give pre-conversion attempt WP accordingly
• Fix for punt WP at the end of first half being too high
• Add logic for TD/FG decision on the last play of the first half
• Add possibility for muffed punt
• Reduce field goal chances on very long field goals

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.