[R] plot vs print ??

Joshua Wiley jwiley.psych at gmail.com
Tue Nov 16 18:25:42 CET 2010


It really depends, but almost always to plot a graph you would use
plot() (or some similar graphing function).  print() is usually more
for displaying data in the console, not graphically.  There are some
cases (e.g., inside a for loop), where you need to wrap the call to
plot (or similar graphing function) in print() (lattice graphics is
probably the most common example here).  Here is an
example/demonstration of plot() and print() in the context of a
histogram (which was calculated and saved into an object called 'x'):

## do histogram calculations but do not plot
x <- hist(rnorm(1000), plot = FALSE)

## print() just shows you the data
## put data in a graph

## but you could also just use hist() without plot() or print()



On Tue, Nov 16, 2010 at 9:09 AM, skan <juanpide at gmail.com> wrote:
> Hello
> What's the differente betwen using "plot" and using "print"  in order to
> plot a graph?
> For example in order to plot the result of a histogram.
> cheers
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Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles

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