[R] Sequence
Petr PIKAL
petr.pikal at precheza.cz
Tue Aug 23 09:01:23 CEST 2011
Hi
as far as I understand your question it seems to me that
round(5*(1.4^(0:10)))
gives you your sequence
and
cumsum(round(5*(1.4^(0:10))))
gives you summary sequence.
Regards
Petr
>
> I definitely used too much lines s of code because I still don't know
how to
> do some staff.
> but it works:
> seq=5 #starting value
> var=5 # starting value
> long= 1:10 # length of the vector
> for (x in long){
> var=var+((var/100)*40)
> seq=append(seq,var)
> }
> seq=round(seq)
> seq=cumsum(seq)
>
> > seq
> [1] 5 17 39 75 130 212 332 505 752 1102 1597
>
>
> Probably I could set just a variable instead of 2 ( var and seq)
> and set the value of long directly to 10, but as I said I just started
using
> R
>
>
> Thanks :)
>
> ?cumsum
> > cumsum(yoursequence)
> >
> > HTH,
> > Jorge
> >
> >
> > On Mon, Aug 22, 2011 at 8:36 PM, Claudio Zanettini <> wrote:
> >
> >> Hello everyone,
> >> I would like to generate a sequence
> >> such as, starting from 5, every value is
> >> 40% of the value before+ all the preceeding values.
> >> es:
> >> this is the seq of all the value+40% of the preceding value:
> >> 5 7 10 14 19 27 38
> >> 53 74 103 145 202 283 397
> >> 556 778 1089 1525 2134 2988 4183
> >>
> >> then the vector tha I need is
> >> 5 , 5+7, 5+7+10, 5+7+10+14 and so on
> >>
> >> I can generate the first sequence but I don t know how to generate
the
> >> last.
> >>
> >> I would really appreciate your help.
> >> Thanks
> >> HVZ
> >>
> >> [[alternative HTML version deleted]]
> >>
> >> ______________________________________________
> >> R-help at r-project.org mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
> >>
> >
> >
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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