Re: [R] how to find the minimum

2008-04-29 Thread Richard . Cotton
> I am a new R user, and not very good at statistics and maths > I find it difficult to find the minimum of this item: > ((p*(b-1)-1)*(p+1)^(b-1)+1)/p^2 > > It seems that the method optim can find the minimum. I tried several > times , but R constanly tells that " failure to fin

Re: [R] how to find the minimum

2008-04-28 Thread Charles C. Berry
On Mon, 28 Apr 2008, Bin Yue wrote: Dear friends: I am a new R user, and not very good at statistics and maths I find it difficult to find the minimum of this item: ((p*(b-1)-1)*(p+1)^(b-1)+1)/p^2 It seems that the method optim can find the minimum. I tried several times , but R

[R] how to find the minimum

2008-04-28 Thread Bin Yue
Dear friends: I am a new R user, and not very good at statistics and maths I find it difficult to find the minimum of this item: ((p*(b-1)-1)*(p+1)^(b-1)+1)/p^2 It seems that the method optim can find the minimum. I tried several times , but R constanly tells that " failure to