From: Sundar Dorai-Raj <sundar.dorai-raj_at_pdf.com>

Date: Wed 12 Oct 2005 - 04:35:08 EST

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Oct 12 04:43:42 2005

Date: Wed 12 Oct 2005 - 04:35:08 EST

Jan Sabee wrote:

> Dear all,

*> I am still learning R with write a small function for my self.
**> I was wondering if someone can help me to write a R function formula below:
**> Z_k (x) = \sum_{i=0}^{i=k} \binom{n}{i} (m-1)^i
**> Thanks a million in advance,
**>
**> Sincerely,
**> Jan Sabee
**>
*

(This smells like a homework problem.)

What is "m"? Your Z_k is a function of "x" and there is no "x" on the RHS.

Are you trying to re-write "pbinom"?

--sundar

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Oct 12 04:43:42 2005

*
This archive was generated by hypermail 2.1.8
: Sun 23 Oct 2005 - 18:41:07 EST
*