statistics

Cosmic Rays: what is the probability they will affect a program?

From Wikipedia: Studies by IBM in the 1990s suggest that computers typically experience about one cosmic-ray-induced error per 256 megabytes of RAM per month.[15] This means a probability of 3.7 × 10-9 per byte per month, or 1.4 × 10-15 per byte per second. If your program runs for 1 minute and occupies 20 MB … Read more

SAS Data organization

You look like a new user to stackoverflow. Welcome. Your question is getting down voted for at least three reasons: 1) It’s not really clear what you want from your description of the problem and the data you’re providing 2) You haven’t shown any attempts at what you’ve tried 3) Providing your data as a … Read more