# Computer Science 477/577 - Homework 2

## Matt Jensen

*Very Late*

> Suppose that you are trying to discretize a continuous attribute by using the ChiMerge Algorithm.
> When you merge two rows (because the $\chi^{2}$ statistic of the upper row falls below a threshold) you must the recompute at least one $\chi^{2}$ value.
> Is the new value necessarily greater than the old one?

> A formal proof is not necessary.
> Just an intelligent discussion.
> You will not lose points by giving the wrong answer, only by not being intelligent in your discussion.