How to normalize a list of int values

Question

I have a list of int values:

List histogram;

How do I normalize all values so that the max value in the

Answer 1

If you have a list of strictly positive numbers, then Dav's answer will suit you fine.

If the list can be any numbers at all, then you need to also normalise to a lowerbound.

Assuming an upper bound of 100 and a lower bound of 0, you'll want something like this ...

var max = list.Max();
var min = list.Min();
var range = (double)(max - min);
var normalised 
    = list.Select( i => 100 * (i - min)/range)
        .ToList();

Handling the case where min == max is left as an exercise for the reader ...