Data from the Boundary Waters Canoe Area Wilderness Blowdown. The data frame blowdown
includes nine species of trees. The data for balsam fir, summarized by diameter
class, are given in
This data frame contains the following columns:
Tree diameter, in cm
Proportion of basal area killed for the four species balsam fir, cedar, paper birch and blue spruse, a measure of local severity of the storm.
Tree species, a factor with 9 levels
1 if the tree died, 0 if it survived
S. Weisberg (2014). Applied Linear Regression, fourth edition. New York: Wiley.
Loading required package: car Loading required package: carData Loading required package: effects lattice theme set by effectsTheme() See ?effectsTheme for details. d s y spp 1 9 0.0217509 0 balsam fir 2 14 0.0217509 0 balsam fir 3 18 0.0217509 0 balsam fir 4 23 0.0217509 0 balsam fir 5 9 0.0217509 0 balsam fir 6 16 0.0217509 0 balsam fir
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.