Indicator Species (IndVal) Help

Dufrene-Legendre indicator values: which features are specific to and frequent within each group.

Requires: Community matrix plus a categorical group column.

Form fields accepted by this method's POST request

analysis_type=indicator_species, dataset_id, feature_cols, group_col, n_perm

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Dataset / Data File Help

No dataset yet? Upload a file.

Parameters & Options

Community / Feature Columns Help

Abundance/feature columns to screen as candidate indicator species.

Group Column Help

Permutations Help

IndVal (Dufrene & Legendre) scores each feature by specificity and fidelity to its best group; permutation p-values test significance.

Missing Values Help

Optional: fill missing numeric values before the analysis runs. Leave as default to keep the method's own handling.

Analysis Type	Indicator Species (IndVal)

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