[R] Help me...!!!

Simon Pickett simon.pickett at bto.org
Tue May 26 17:51:35 CEST 2009

have a read at these pdfs


you are likely to get a bashing for asking people to do your homework for 


----- Original Message ----- 
From: "abel1682" <lizard_1682 at yahoo.it>
To: <r-help at r-project.org>
Sent: Tuesday, May 26, 2009 3:37 PM
Subject: [R] Help me...!!!

> 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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> 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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