[R] vector with specified values construction

Petr Pikal petr.pikal at precheza.cz
Tue Jan 31 16:52:40 CET 2006


Thanks to all who responded. I definitly need some fresh air to clean 
my head. :-)

Petr

On 31 Jan 2006 at 14:56, Petr Pikal wrote:

From:           	"Petr Pikal" <petr.pikal at precheza.cz>
To:             	r-help at stat.math.ethz.ch
Date sent:      	Tue, 31 Jan 2006 14:56:47 +0100
Priority:       	normal
Subject:        	[R] vector with specified values construction

> Dear all
> 
> I want to have vector of length 24 which is filled by zeroes except
> that on position 
> 
> c(8,16,19,20) is 2
> and
> c(3,4,12,24) is 4
> instead.
> 
> I am able to do
> 
> > (1:24)%in%c(8,16,19,20)*2
>  [1] 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 2 0 0 2 2 0 0 0 0
> 
> and
> 
> > (1:24)%in%c(3,4,12,24)*4
>  [1] 0 0 4 4 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 4
> 
> but I can not find a suitable construction to end with vector
> 0 0 4 4 0 0 0 2 0 0 0 4 0 0 0 2 0 0 2 2 0 0 0 4
> 
> Can anybody help please?
> 
> 
> Petr Pikal
> petr.pikal at precheza.cz
> 
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Petr Pikal
petr.pikal at precheza.cz




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