Nothing
## ----setup, include = FALSE---------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>",
fig.width = 4,
fig.height = 3.2
)
## ----model--------------------------------------------------------------------
mod <- lm(Petal.Width ~ Petal.Length * Species, data = iris)
newdat <- expand.grid(
Petal.Length = seq(1, 7, by = 0.1),
Species = c("setosa", "versicolor", "virginica")
)
pred <- predict(mod, newdat, interval = "confidence")
dd <- cbind(newdat, pred)
## ----panel-ci, fig.cap="Example of using panel.ci."---------------------------
library(tactile)
xyplot(fit ~ Petal.Length,
groups = Species, data = dd,
prepanel = prepanel.ci, auto.key = list(lines = TRUE, points = FALSE),
ylab = "Petal Width",
xlab = "Petal Length",
lower = dd$lwr,
upper = dd$upr,
type = "l",
panel = function(...) {
panel.ci(..., alpha = 0.15, grid = TRUE)
panel.xyplot(...)
}
)
## ----qqmath, fig.cap="Example of using panel.qqmathci."-----------------------
qqmath(~ height | voice.part,
aspect = "xy", data = singer,
prepanel = prepanel.qqmathline,
distribution = qnorm,
ci = 0.9,
panel = function(x, ...) {
panel.qqmathci(x, ...)
panel.qqmathline(x, ...)
panel.qqmath(x, ...)
}
)
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