[R] Problem with data frame

[Jacques Veslot]

as.data.frame(replicate(20, rnorm(500)))

Arun Kumar Saha a écrit :

> Dear r-users,
> 
> suppose I have n normal distributions with parameter N(0,i) i=1,2,.......,n
> respectively.
> 
> Now I want to generate 500 random number for each distribution. And want to
> put all 500*n random numbers
> in a single data frame.
> 
> I tried with following code:
> 
> 
>>n=20
> 
> random = data.frame(n)
> for ( i in 2: length)
>    {
>     random[,i] = random(500,mean=0,sd=i)
>    }
> 
> but while executing this I am getting errors.
> 
> Can anyone give me any suggestion?
> Thanks and  regards
> Arun
> 
> 	[[alternative HTML version deleted]]
> 
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