VGAM: waitakere – R documentation

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waitakere

Waitakere Ranges Data

Description

The waitakere data frame has 579 rows and 18 columns. Altitude is explanatory, and there are binary responses (presence/absence = 1/0 respectively) for 17 plant species.

Usage

data(waitakere)

Format

This data frame contains the following columns:

agaaus: Agathis australis, or Kauri
beitaw: Beilschmiedia tawa, or Tawa
corlae: Corynocarpus laevigatus
cyadea: Cyathea dealbata
cyamed: Cyathea medullaris
daccup: Dacrydium cupressinum
dacdac: Dacrycarpus dacrydioides
eladen: Elaecarpus dentatus
hedarb: Hedycarya arborea
hohpop: Species name unknown
kniexc: Knightia excelsa, or Rewarewa
kuneri: Kunzea ericoides
lepsco: Leptospermum scoparium
metrob: Metrosideros robusta
neslan: Nestegis lanceolata
rhosap: Rhopalostylis sapida
vitluc: Vitex lucens, or Puriri
altitude: meters above sea level

Details

These were collected from the Waitakere Ranges, a small forest in northern Auckland, New Zealand. At 579 sites in the forest, the presence/absence of 17 plant species was recorded, as well as the altitude. Each site was of area size 200m^2.

Source

Dr Neil Mitchell, University of Auckland.

Examples

fit <- vgam(agaaus ~ s(altitude, df = 2), binomialff, waitakere)
head(predict(fit, waitakere, type = "response"))
## Not run:  plot(fit, se = TRUE, lcol = "orange", scol = "blue")

VGAM

Vector Generalized Linear and Additive Models

v1.1-5

GPL-3

Authors

Thomas Yee [aut, cre], Cleve Moler [ctb] (author of several LINPACK routines)

Initial release

2021-01-13