Weighted Random Number

Roger Guay irog at mac.com
Mon Mar 4 14:37:54 CST 2013


Thanks for this, Dr. Hawkins. I suspect my distribution is Gaussian, but I may not need to be precise. I'm evaluating all the great suggestions I've received on this.

Thanks again,
Roger


On Mar 4, 2013, at 10:36 AM, Dr. Hawkins <dochawk at gmail.com> wrote:

> On Sun, Mar 3, 2013 at 5:46 PM, Roger Guay <irog at mac.com> wrote:
> 
>> I suspect this is easy, but I'm not coming up with anything. Can anyone
>> tell me how to get weighted random numbers in LC? Say I want to position
>> something on the screen randomly but favor the center of the screen. Any
>> ideas?
>> 
> 
> 
> The standard way is to use the Cumulative Distribution Function (CDF) of
> the random numver that you really want.
> 
> However, adding two random numbers from 0 to half your max would also
> average the middle of the screen with a pyramid-like distrivution
> 
> -- 
> Dr. Richard E. Hawkins, Esq.
> (702) 508-8462
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