Community Ordination: uses and methods
observes community relationships from a distance matrix and examines specified groupings.
Applicable scope and calculation boundary
Bray–Curtis or Jaccard; classic PCoA, reports negative eigenvalues; optional PERMANOVA, does not automatically check for differences in within-group dispersion.
model and reference method
Gower bicentering; permutation pseudo-F test.
model version: 1.0.0. The results are used for scientific research, exploration and teaching, please interpret according to the model conditions.
input parameters
- taxon count table
- Value range: undefined – undefined
- distance
- Bray–Curtis / Jaccard appears/misses
- sample grouping
- is consistent with the sample column order; leave blank to sort only.
- random seed
- Value range: 0 – 999999
How to use
- Load the example or enter data that matches the field description.
- Confirm units and models, run calculations and check diagnostics.
- Export charts, tables or results packages and record model versions.
tools in the same field
are free and open; free sponsorship does not affect tool permissions. All functions of Read scientific methods and data explanations 。
