mohsin ali wrote:
Hi Sir
How can I change plot size, figure size and device size? The examples availble
for par() function are not very helpful. Would you please give a very simple
example?
Hi Mohsin,
The device size is determined by the function that starts it. For
example, the default "graphics window" is 7x7 inches (17.78x17.78 cm).
To find out what the device size is:
par("din") # in inches
The figure size is the device size less the "outer margin". This is
often the same as the device size, unless you explicitly set the outer
margins:
par(oma=...) # in lines of text
OR
par(omi=...) # in inches
To find out what the figure size is:
par("fin") # in inches
The plot size is the figure size less the margin. To find out what it is:
par("pin") # in inches
OR
par("usr") # in user units
So you could set up the three like this:
x11(width=9,height=6)
par(oma=c(1,1,1,1)) # allow space for one line of text on each side
par(mar=c(0,4,3,2)) # allow this much space for lines of text inside the
figure
Jim
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