Math Forum Discussions

Lars Wahlgren

Posts: 37
Registered: 12/18/04

Re: Minitab help!
Posted: Nov 7, 2006 1:29 AM

Plain Text

Ahmad

Here is one way to do it

Let C2(1) = C1(1)
Let C99 = LAG(C1)
Let C2 = RSUM(C1;C99;C99)
Erase C99

/LWn

"Ahmad" <adahamsheh@gmail.com> skrev i meddelandet
news:1162874717.737449.291690@i42g2000cwa.googlegroups.com...
> Dear all,
> I have a small problem with Minitab, i want to use function depends in
> the previous result
> see my example
>
>
> c1 c2
> 2.0 2.0
> 5.0 9.0
> 4.0 22.0
> 7.0 51.0
> 3.0 105.0
>
> data input c1
> data output c2
> calculating method
> the first row in c2 must equal the first row in c1
> the equation for the second, 3, 4, 5, .......
> c2 (row2)=2*c2(row1)+c1(row2)
> c2 (row3)=2*c2(row2)+c1(row3)
> c2 (row4)=2*c2(row3)+c1(row4)
> .
> .
> .
> .
> thank you
>