[R] Max vs summary inconsistency

[Thomas Lumley]

On Mon, 27 Aug 2007, Adam D. I. Kramer wrote:

> Hello,
>
> I'm having the following questionable behavior:
>
>> summary(m)
>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
>       1   13000   26280   25890   38550   50910
>> max(m)
> [1] 50912
>
>> typeof(m)
> [1] "integer"
>> class(m)
> [1] "integer"
>
> ...it seems to me like max() and summary(m)[6] ought to return the same
> number. Am I doing something wrong?
>

They do return the same number, they just print it differently. summary() prints four significant digits by default.

      -thomas

Thomas Lumley			Assoc. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle