[R] Precision of summary() when summarizing variables in a data frame
jholtman at gmail.com
Tue Apr 5 18:48:48 CEST 2011
They are probably the same. It isjust that summary is printing out 4
significant digits. Try:
options(digits = 20)
On Tue, Apr 5, 2011 at 12:38 PM, Daniel Malter <daniel at umd.edu> wrote:
> I summary() a variable with 409908 numeric observations. The variable is
> part of a data.frame. The problem is that the min and max returned by
> summary() do not equal the ones returned by min() and max(). Does anybody
> know why that is?
>  15452
>  316148
> Min. 1st Qu. Median Mean 3rd Qu. Max.
> 15450 21670 40980 55500 63880 316100
> R version 2.11.1 (2010-05-31)
>  en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
> attached base packages:
>  stats graphics grDevices utils datasets methods base
> other attached packages:
>  sqldf_0.3-5 chron_2.3-39 gsubfn_0.5-5
>  proto_0.3-8 RSQLite.extfuns_0.0.1 RSQLite_0.9-4
>  DBI_0.2-5
> Thanks much,
> View this message in context: http://r.789695.n4.nabble.com/Precision-of-summary-when-summarizing-variables-in-a-data-frame-tp3428570p3428570.html
> Sent from the R help mailing list archive at Nabble.com.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Data Munger Guru
What is the problem that you are trying to solve?
More information about the R-help