[R] Help me...!!!

Mike Lawrence Mike.Lawrence at dal.ca
Tue May 26 17:59:51 CEST 2009


"Basic statistics and classroom homework:  R-help is not intended for these. "

On Tue, May 26, 2009 at 11:37 AM, abel1682 <lizard_1682 at yahoo.it> wrote:
> Hi to all...i'm a new R'user and i have to solve some exercies so i ask to
> tou for an help...
> 1.) How i can demonstrate  in R that  the limit for x-->infinite of
> (1+1/x)^x is equal to "e"?
> 2.) if i have a vector of values how can i create a function that, applied
> to my vector, give me "median", "mean", "Var" and "length" togheter?
> 3.)Find the minimum of this function:
>                                                    f(x)=(x-3)^4
> with the Newton method.
> 4.) Define a function that is able to calculate the geometric mean of a
> seriation:
> Sorry for all these questions...
> Thanks a lot!!!...
> --
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> and provide commented, minimal, self-contained, reproducible code.

Mike Lawrence
Graduate Student
Department of Psychology
Dalhousie University

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