These are methods for objects of class
# S3 method for histogram plot(x, freq = equidist, density = NULL, angle = 45, col = NULL, border = par("fg"), lty = NULL, main = paste("Histogram of", paste(x$xname, collapse = "\n")), sub = NULL, xlab = x$xname, ylab, xlim = range(x$breaks), ylim = NULL, axes = TRUE, labels = FALSE, add = FALSE, ann = TRUE, …)
# S3 method for histogram lines(x, …)
histogramobject, or a list with components
mid, etc, see
histfor information about the components of
- logical; if
TRUE, the histogram graphic is to present a representation of frequencies, i.e,
FALSE, relative frequencies (probabilities), i.e.,
x$density, are plotted. The default is true for equidistant
breaksand false otherwise.
- a colour to be used to fill the bars. The default of
NULLyields unfilled bars.
- the color of the border around the bars.
- angle, density
- select shading of bars by lines:
- the line type used for the bars, see also
- main, sub, xlab, ylab
- these arguments to
titlehave useful defaults here.
- xlim, ylim
- the range of x and y values with sensible defaults.
- logical, indicating if axes should be drawn.
- logical or character. Additionally draw labels on top of bars,
TRUE, draw the counts or rounded densities; if
character, draw itself.
- logical. If
TRUE, only the bars are added to the current plot. This is what
- logical. Should annotations (titles and axis titles) be plotted?
- further graphical parameters to
lines.histogram(*) is the same as
plot.histogram(*, add = TRUE).
(wwt <- hist(women$weight, nclass = 7, plot = FALSE)) plot(wwt, labels = TRUE) # default main & xlab using wwt$xname plot(wwt, border = "dark blue", col = "light blue", main = "Histogram of 15 women's weights", xlab = "weight [pounds]") ## Fake "lines" example, using non-default labels: w2 <- wwt; w2$counts <- w2$counts - 1 lines(w2, col = "Midnight Blue", labels = ifelse(w2$counts, "> 1", "1"))
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