[BioC] asking for some code

Sean Davis sdavis2 at mail.nih.gov
Wed Mar 9 11:56:36 CET 2005

Taking this apart:

to find the Q5(quantile):
   See ?quantile

for each row:
   See ?apply

if x<n {
   do stuff
} else if ((x>n) & (x<m)) {
   do other stuff
} else {
   do other other stuff


On Mar 9, 2005, at 4:15 AM, zhihua li wrote:

> Dear netters,
> Now I have a matrix at hand. For each row, I want to find the Q5(the 
> 5th quantile) and the Q95, and put them in a function fyn(), which 
> will return two numbers n and m(n<m). Then I'll take each element (say 
> x) in the row one by one, and perform a judgment: if x<n, do sub1(x); 
> if n<=x<=m, do sub2(x); if x>m, do sub3(x). The process goes on 
> through each row in the matrix. This program isnot very complicated, 
> but hard enough for me...........So could anybody give me a prototype 
> of the code?
> Thanks a lot!
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