veins {biogeom} | R Documentation |
The data consist of the leaf vein data of a leaf of M. compressa sampled at Nanjing Forestry University campus in late July 2019.
data(veins)
In the data set, there are two columns of variables: x
and y
.
x
saves the x
coordinates of the leaf veins in the Cartesian coordinate system (cm);
y
saves the y
coordinates of the leaf veins in the Cartesian coordinate system (cm).
The data cannot be adjusted by the adjdata
function.
Shi, P., Yu, K., Niinemets, Ü., Gielis, J. (2021) Can leaf shape be represented by the ratio of leaf width to length? Evidence from nine species of Magnolia and Michelia (Magnoliaceae). Forests 12, 41. doi:10.3390/f12010041
data(veins)
dev.new()
plot(veins$x, veins$y, cex=0.01, asp=1, cex.lab=1.5, cex.axis=1.5,
xlab=expression(italic("x")), ylab=expression(italic("y")))
graphics.off()