subset-visreg: Subset a visreg object

In visreg: Visualization of Regression Models

Description

Subset a visreg object so that only a portion of the full model is plotted.

Usage

## S3 method for class 'visreg'
subset(x, sub, ...)

Arguments

x	A visreg object.
sub	Logical expression indicating elements to keep, as in subset.
...	Not used.

Examples

# Fit a model and construct a visreg object
airquality$Heat <- cut(airquality$Temp,3,labels=c("Cool","Mild","Hot"))
fit <- lm(Ozone~ Solar.R + Wind*Heat,data=airquality)
v <- visreg(fit, "Wind", by="Heat", plot=FALSE)

# Plot only certain levels
vv <- subset(v, Heat %in% c("Cool", "Hot"))
plot(vv)

# Plot only up to wind 15 mph
vv <- subset(v, Wind < 15)
plot(vv)

Example output

visreg documentation built on July 1, 2020, 10:24 p.m.