qplot: Quick plot

# Use data from data.frame qplot(mpg, wt, data = mtcars) qplot(mpg, wt, data = mtcars, colour = cyl) qplot(mpg, wt, data = mtcars, size = cyl) qplot(mpg, wt, data = mtcars, facets = vs ~ am)   qplot(1:10, rnorm(10), colour = runif(10)) qplot(1:10, letters[1:10]) mod <- lm(mpg ~ wt, data=mtcars) qplot(resid(mod), fitted(mod))  f <- function() {  a <- 1:10  b <- a ^ 2  qplot(a, b) } f()  # To set aesthetics, wrap in I() qplot(mpg, wt, data = mtcars, colour = I("red"))  # qplot will attempt to guess what geom you want depending on the input # both x and y supplied = scatterplot qplot(mpg, wt, data = mtcars) # just x supplied = histogram qplot(mpg, data = mtcars) # just y supplied = scatterplot, with x = seq_along(y) qplot(y = mpg, data = mtcars)  # Use different geoms qplot(mpg, wt, data = mtcars, geom = "path") qplot(factor(cyl), wt, data = mtcars, geom = c("boxplot", "jitter")) qplot(mpg, data = mtcars, geom = "dotplot")