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R Scripts — Statistics

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Statistics

Summary stats, SES, t-tests and index extraction helpers

distrib(x, k=6)

Compute a compact NA-cleaned numeric summary: N, min, Q1, median, mean, Q3, max.

hms_span(start, end)

Format the elapsed time between two POSIXct timestamps as HH:MM:SS.

sesandpvalues_bis(obs, rand, nreps, probs, rnd)

Standardised effect size (SES) and p-value from an observed value vs. a null randomisation vector.

extract_t_test(x, y, ...)

Run a Welch t-test and return a tidy data frame with means, SDs, t-statistic, p-value and significan

extract_indices_list(ind)

Compute SES (Observed, SES, MeanRd, CI, Pval) for each column of an index matrix.

extract_indices_change(ind)

Absolute difference in functional indices across two conditions.

extract_indices_change_log(ind)

Log-ratio change in functional indices across two conditions.

Extract tidy results from a fitted lm object

check_completeness()

Report trait completeness per column

Bootstrap confidence intervals for any statistic