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High-Performance Open-Source Archive

NEWS

BioTIMEr 0.3.2 - 10.03.2026

getLinearRegressions() now handles data from getMetrics() with several resamplings.
getMetrics() and getLinearRegressions() now work without resamplings allowing users to run them on their own data.
vignette YAML frontmatter fixed.

The package now uses data.table in the background for major speed and memory usage improvements. Resampling the whole BioTIME database used to take > 1 hour and now takes < 1 minute.
methods: gridding and resampling functions now handle data.frame, data.table and tibble objects with dedicated functions.
getAlphaMetrics and getBetaMetrics are faster and use 100x less memory.

In the resampling function:
- new argument summarise, TRUE by default keeps previous behaviour.
  
  If TRUE, the abundance and/or biomass is summed per rarefyID while if FALSE the abundance and/or biomass will be summed per rarefyID/SAMPLE_DESC and gives more columns.
In the getAlphaMetrics and getBetaMetrics functions:
data.frames containing several resamplings are accepted

If the provided data contain several resamplings, metrics will be computed per resampling, per assemblageID, per year.
In the getLinearRegressions function:
- removed the divType argument.
  
  The function now reads the class of the objects produced by getAlphaMetrics and getBetaMetrics and computes the expected metrics.

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