[R] Displaying trailing zeroes

[Peter Dalgaard]

Lucke, Joseph F wrote:
> round(12.01,1) will give the answer 12, not 12.0 or even 12.  To make a
> table look nice, I need to display the trailing zero so that just as
> round(12.05,1) yields 12.1, round(12.01) yields 12.0. I cannot find an
> answer in print() or format() or options().  Any suggestions would be
> appreciated.
>   
 > formatC(round(12.01,1),1,format="f")
[1] "12.0"

 > cat(sprintf("%6.1f\n", round(12.01,1)))
  12.0


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