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Add a Point Layer to an ordiggplot Graph

Source: R/ordiggplot.R
geom_ordi_point.Rd

Function adds a point layer using ggplot2::geom_point() to an ordiggplot() graph.

Usage

geom_ordi_point(score, data, ...)

Arguments

score

Ordination score to be added to the plot.

data

Alternative data to the function that will be used instead of score.

...

other arguments passed to ggplot2::geom_point()

Value

Returns a ggplot2 layer geom_point.

See also

ggplot2::geom_point().

Author

Jari Oksanen

Examples

library(vegan)
library(ggplot2)
data(mite, mite.env, package = "vegan")
mod <- metaMDS(mite, trace = 0)
surf <- vegan::ordisurf(mod ~ WatrCont, mite.env, plot = FALSE)
ef <- vegan::envfit(mod ~ WatrCont + Topo, mite.env)
## Change sizes and colours of points
ordiggplot(mod) +
  geom_ordi_point("sites",
    mapping=aes(colour = mite.env$Topo, size=mite.env$WatrCont/10)) +
  autolayer(surf) +
  autolayer(ef, box = TRUE)