On Thu, Mar 6, 2008 at 11:41 AM, Martin Kaffanke <technik_at_roomandspace.com> wrote:
> Hi there,
> When i do
> mean(fl[1:20], na.rm=T)
> sd(fl[1:20], na.rm=T)
> I get 20 Results, but now I'd like to know from how many numbers my mean
> and sd are calculated.
> How to I use the length() for this, or is this possible?
> Because there are missing values in some, but not in all columns. So
> there should be a different count of numbers.
> Ihr Partner für Webdesign, Webapplikationen und Webspace.
> Martin Kaffanke +43 650 4514224
> R-help_at_r-project.org mailing list
> PLEASE do read the posting guide
> and provide commented, minimal, self-contained, reproducible code.
[[alternative HTML version deleted]]
Archive maintained by Robert King, hosted by
the discipline of
statistics at the
University of Newcastle,
Archive generated by hypermail 2.2.0, at Thu 06 Mar 2008 - 17:30:20 GMT.
Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.
list of date sections of archive