Has anyone come across the right combinations to print a limited number of
digits? My trial and error approach is taking too much time. Here is what I
have tried:

 

> op <- options()

> a <- c(1e-10,1,2,3,.5,.25)

> names(a) <- c("A", "B", "C", "D", "E", "F")

> # default

> a

      A       B       C       D       E       F 

1.0e-10 1.0e+00 2.0e+00 3.0e+00 5.0e-01 2.5e-01 

> options(digits = 4, scipen=5)

> # Doesn't print exponents but there are too many trailing digits

> a

           A            B            C            D            E
F 

0.0000000001 1.0000000000 2.0000000000 3.0000000000 0.5000000000
0.2500000000 

 

> options(digits = 3, scipen=4)

> # Now we are back to exponents

> a

      A       B       C       D       E       F 

1.0e-10 1.0e+00 2.0e+00 3.0e+00 5.0e-01 2.5e-01 

 

I would like the integers to print as integers (1,2,3). The larger fractions
to print something like .5000 or .2500. And the very small number to use
exponents (1.0e-10)

 

Is this possible?

 

Thank you.

 

Kevin


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