obitools/obitools4

mirror of https://github.com/metabarcoding/obitools4.git synced 2026-04-30 12:00:39 +00:00

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Eric Coissac 8c7017a99d ⬆️ version bump to v4.5

- Update obioptions.Version from "Release 4.4.29" to "/v/ Release v5"
- Update version.txt from 4.29 → .30
(automated by Makefile)

2026-04-13 13:34:53 +02:00

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`obistats` Package — Semantic Overview

The *obistats* Go package provides lightweight, type-generic statistical utilities for numerical data.

Core Functions

Median[T Number](data []T) float64
Computes the median of a slice. Internally copies and sorts input data to avoid mutation, handling both even- and odd-length slices correctly. Returns 0 for empty input.
Mean[T Number](data []T) float64
Calculates the arithmetic mean by summing all elements (converted to float64) and dividing by count.

Type Constraints

Uses Go generics (constraints.Float | constraints.Integer), enabling use with int, float32, float64, etc.

Design Notes

Non-mutating (Median works on a copy).
Simple, efficient implementations—no external dependencies beyond golang.org/x/exp/constraints and slices.
Focused on central tendency measures only—no variance, std dev, or distribution stats.

Use Case

Ideal for small-to-medium numerical datasets where minimal dependencies and clarity are prioritized over advanced statistics.