niche.range: Niche range computation for OTUs in a community through...
In GuillemSalazar/EcolUtils: Utilities for community ecology analysis

Description Usage Arguments Details Value Author(s)

Computation of the range of an environmental variable for all OTUs in a community and statistical comparison to randomized communities.

1	niche.range(comm.tab, env.var, n = 1000, probs = c(0.025, 0.975))

`comm.tab`	Community data, a matrix-like object (samples as rows; OTUs as columns).
`env.var`	Environmental variable as a numeric vector.
`n`	Number of permutations.
`probs`	Probabilities for confidence interval calculations.

The niche.val function computes the range of values of an environmental variable where each OTU is present. The mean value and CI for each OTU is computed for n null matrices. The null matrices are created by randomly shuffling the rows in comm.tab. Each OTU is classified depending whether the real niche range is lower / higher / within the CI.

Data frame with the observed niche range value, the mean and CI null values and the classification of each OTU based on randomizations.

Guillem Salazar <guillems@ethz.ch>

GuillemSalazar/EcolUtils documentation built on Nov. 6, 2019, 10:50 a.m.