[R] r graphing

[R. Michael Weylandt]

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curve(x^3, from = -5, to = 5); grid()

If you only want dotted lines at x = 0 & y = 0 use

grid(2,2)

instead.

Michael

On Wed, Apr 11, 2012 at 6:49 PM, John Kim <provicon2000 at yahoo.com> wrote:
> thanks for the reply..
>
> i tried the code below.. it shows the graph.. but how do i make x and y axis
> show up in the middle??
>
> i am teaching secondary school math.. and i need to produce graphs for
> learning purpose..
>
> i need nice x- y-axis.. in the middle.. with arrows at the end of axis..
>
> can you tell me how i can realize that??
>
> john
>
>
> From: R. Michael Weylandt <michael.weylandt at gmail.com>
> To: John Kim <ktown4989 at gmail.com>
> Cc: r-help at r-project.org; provicon2000 at yahoo.com
> Sent: Wednesday, April 11, 2012 2:37 PM
> Subject: Re: [R] r graphing
>
> The easiest way is to just use ?curve (type ?curve at the prompt to
> get documentation for curve): e.g., curve(x^3, from = -5, to = 5)
>
> You could also build the plot yourself like:
>
> x <- seq(-5, 5, length.out = 200)
> y <- x^3
>
> plot(x,y)
>
> Michael
>
> On Wed, Apr 11, 2012 at 4:41 PM, John Kim <ktown4989 at gmail.com> wrote:
>> can anybody tell me how i can draw x- y- axis and draw x^3 graph using
>> R graph??
>>
>> i need nice coordinate system with legends and coordinate
>> numberings..
>>
>> and nice graph of x^3 on it..  it will be nice if you tell me how i
>> can center the graph..
>>
>> i want the origin (0,0) to be right in the middle of the graph.
>>
>> thank you so much.
>>
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>
>