SPDATA: Species Presence/Absence Data

In PresenceAbsence: Presence-Absence Model Evaluation

Species Presence/Absence Data

Description

This data set has Presence/Absence predictions for 13 species at 386 forested locations. It consists of species, observed presence-absence values, and the probability predictions of three different models.

Usage

data(SPDATA)

Format

A data frame with 386 observations for 13 species with the following 5 variables.

SPECIES

a character vector of species codes

OBSERVED

a numeric vector of 0-1 values

GAM

a numeric vector of predicted probabilities

See5

a numeric vector of predicted probabilities

SGB

a numeric vector of predicted probabilities

Source

This dataset is from:

Moisen, G.G., Freeman, E.A., Blackard, J.A., Frescino, T.S., Zimmerman N.E., Edwards, T.C. Predicting tree species presence and basal area in Utah: A comparison of stochastic gradient boosting, generalized additive models, and tree-based methods. Ecological Modellng, 199 (2006) 176-187.

Examples

data(SPDATA)

PresenceAbsence documentation built on Jan. 7, 2023, 9:09 a.m.