[R] descretizing xy data

From: Jon A <jonny99_at_u.washington.edu>
Date: Mon, 03 Nov 2008 10:22:37 -0800 (PST)

I have a dataset with a continuous independent variable (fish length, range: 30-150 mm) and a binary response (foraging success, 0 or 1). I want to discretize fish length into 5 mm bins and give the proportion of individuals who successfully foraged in each each size bin. I have used the cut function to discretize the length values into my desired bins, but I can't figure out how to manipulate my response data in terms of the levels I've created. Any advice on how to achieve my task?

Thanks in advance.

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