epmToPhyloComm {epm}

Convert epmGrid to community matrix

Description

Given specific sites, convert epmGrid to phylocomm matrix, with sites as rows, and species as columns

Usage

epmToPhyloComm(x, sites)

Arguments

x

object of class epmGrid

sites

locations of sites, see details.

Details

If sites are site coordinates, then dataframe or matrix with two columns; if sites are cell indices, then numeric vector; if sites = 'all', then all cells will be returned as sites.

Value

community matrix, with sites as rows and species as columns

Author(s)

Pascal Title

Examples

tamiasEPM

# from cell indices
cells <- c(2703, 90, 3112, 179)
epmToPhyloComm(tamiasEPM, cells)

# from coordinates
library(sf)
# get the projection of the epmGrid object
proj <- summary(tamiasEPM)$crs
# define some points
pts <- rbind.data.frame(
		c(-120.5, 38.82),
		c(-84.02, 42.75),
		c(-117.95, 55.53))
colnames(pts) <- c('x', 'y')
ptsSF <- st_as_sf(pts, coords = 1:2, crs = "epsg:4326")
pts <- st_coordinates(st_transform(ptsSF, crs = proj))

epmToPhyloComm(tamiasEPM, pts)