Quick plot
qplot
is the basic plotting function in the ggplot2 package,
designed to be familiar if you're used to base plot()
.
It's a convenient wrapper for creating a number of different types of plots
using a consistent calling scheme.
qplot( x, y = NULL, ..., data, facets = NULL, margins = FALSE, geom = "auto", xlim = c(NA, NA), ylim = c(NA, NA), log = "", main = NULL, xlab = deparse(substitute(x)), ylab = deparse(substitute(y)), asp = NA, stat = NULL, position = NULL ) quickplot( x, y = NULL, ..., data, facets = NULL, margins = FALSE, geom = "auto", xlim = c(NA, NA), ylim = c(NA, NA), log = "", main = NULL, xlab = deparse(substitute(x)), ylab = deparse(substitute(y)), asp = NA, stat = NULL, position = NULL )
x, y, ... |
Aesthetics passed into each layer |
data |
Data frame to use (optional). If not specified, will create one, extracting vectors from the current environment. |
facets |
faceting formula to use. Picks |
margins |
See |
geom |
Character vector specifying geom(s) to draw. Defaults to "point" if x and y are specified, and "histogram" if only x is specified. |
xlim, ylim |
X and y axis limits |
log |
Which variables to log transform ("x", "y", or "xy") |
main, xlab, ylab |
Character vector (or expression) giving plot title, x axis label, and y axis label respectively. |
asp |
The y/x aspect ratio |
stat, position |
DEPRECATED. |
# 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")
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