Dear R-users

Can anyone please tell me how to format a label of a plot?
I found that R uses a floating point number (e.g. 2.0) sometimes and an
integer number (e.g. 2) other times in lables of a plot even though no
floating number is needed to show the lables.
How can I get R to use only integer numbers in the plot labels?

Thanks in advance.

Young-Jin

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