dsm
- Density surface modellingdsm
?dsm
provides a Generalized Additive Model (GAM)-based approach to calculate spatially-explicit estimates of animal abundance from distance sampling (also presence/absence and strip transect) data. Several utility functions are provided for model checking, plotting and variance estimation.
Open Access paper describing the methods: Miller, DL, ML Burt, EA Rexstad and L Thomas (2013). Spatial models for distance sampling data: recent developments and future directions. Methods in Ecology and Evolution.
dsm
Examples of how to use dsm
and other distance sampling R packages are available at examples.distancesampling.org.
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