Dynamic Trellising (Scatterplot)
An app to facilitate exploration of the relationship between two numerical variables, conditional upon the values of a third variable.
DtrellScat(form,data)
form
: A formula of the form y~x|c
. All three variables in the formula should be from the data frame data
. c
May be a factor or numerical.data
: A data frame.Graphical and numerical output.
## Not run: if (require(manipulate)) DtrellScat(sat~salary|frac,data=sat) ## End(Not run)
Homer White hwhite0@georgetowncollege.edu
Useful links