R help - Jun 2014 - Average value in a particular range of a matrix

Hi

I have a matrix with values of size 1*500  i have to find the avg 
value of first 1 to 100 ,avg value of 100 - 200 and so on up to 400-500.
 is there any function to find the average of 1 -100 and 100 - 200, 200 -
 300,300 - 400,400 - 500 ??

Thanks
 		 	   		  
	[[alternative HTML version deleted]]

On 12/06/14 00:17, Pat-74100 wrote:
> Hi
>
> I have a matrix with values of size 1*500  i have to find the avg
> value of first 1 to 100 ,avg value of 100 - 200 and so on up to 400-500.
>   is there any function to find the average of 1 -100 and 100 - 200, 200 -
>   300,300 - 400,400 - 500 ??
This looks very much like homework.  The r-help list has a "no
homework"
policy.  Do your own homework.  That way you might actually learn something!

cheers,

Rolf Turner

?mean

You need to read tutorial or two, particularly with reference to indexing.

The CRAN site has any number of useful papers and books that you can download.

John Kane
Kingston ON Canada

> -----Original Message-----
> From: leonardsquall15 at hotmail.com
> Sent: Wed, 11 Jun 2014 12:17:02 +0000
> To: r-help at r-project.org
> Subject: [R] Average value in a particular range of a matrix
> 
> Hi
> 
> I have a matrix with values of size 1*500  i have to find the avg
> value of first 1 to 100 ,avg value of 100 - 200 and so on up to 400-500.
>  is there any function to find the average of 1 -100 and 100 - 200, 200 -
>  300,300 - 400,400 - 500 ??
> 
> Thanks
> 
> 	[[alternative HTML version deleted]]
> 
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