pam2richness: Converts Presence Absence Matrix (pam object) to richness raster

Converts Presence Absence Matrix (pam object) to richness raster

Usage

pam2richness(pamobj, which_steps)

Arguments

pamobj

An object of class pam see csim2pam

which_steps

Time steps in the pam to convert

Value

A RasterStack richness for each simulation step

Author

Luis Osorio-Olvera & Jorge Soberón.

Examples

# \donttest{
lagos_path <- system.file("extdata/conejos",
                          package = "bamm")
enm_path <- list.files(lagos_path,
                       pattern = ".tif",
                    full.names = TRUE)[seq(1,10)]
en_models <- raster::stack(enm_path)
ngbs_vect <- sample(2,replace = TRUE,
                    size = raster::nlayers(en_models))
init_coords <- read.csv(file.path(lagos_path,
                                  "lagos_initit.csv"))[seq(1,10),]
nsteps <- 10
sdm_comm <- bamm::community_sim(en_models = en_models,
                                ngbs_vect = ngbs_vect,
                                init_coords = init_coords,
                                nsteps = nsteps,
                                threshold = 0.1)
#> 
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pams <-bamm::csim2pam(community_sim = sdm_comm ,
                      which_steps = seq_len(nsteps))
richness_stack <- bamm::pam2richness(pamobj = pams,
                                     which_steps = pams@which_steps)
#> 
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raster::plot(richness_stack)

# }