CodingClues - Latest Comments in Randomness

Re: Randomness

Jackp — Thu, 30 Oct 2008 05:29:34 -0000

I've tested his PHP code and got a perfectly random bitmap, far from what he got. I'm using PHP 5 on linux.

Re: Randomness

Dale — Wed, 29 Oct 2008 21:29:24 -0000

I'm not sure why one would plot coin-flip random result on a plot like this. When I first saw the pic, I assumed that each point was a random pick on the plot area (in this case both x and y coordinates would be a random number from 0 to 512). If you did this enough times, you would expect more and more of the area to be plotted. Right? That would seem to be a better visual representation of randomness.

Re: Randomness

Kas Thomas — Wed, 29 Oct 2008 15:25:13 -0000

If I may make a suggestion: Try plotting a 3D graph rather than a 2D graph. This will make deviations from "random" easier to see. You may be surprised at what you find. ;^)

Thanks for an excellent post.