Question about Assignment 2 eval_all_combinations()

[iit-cs579]

Question about Assignment 2 eval_all_combinations()

[aronwc]

You're right it is more combinations (no need to consider the empty set).

On Oct 8, 2016, at 4:52 PM, gershwinlover [email protected] wrote:

Hello Dr. Aron,

So sorry to bother during the weekend. I have a quick question about A2, function eval_all_combinations(). In the description, it says if feature_fns = [token_features, token_pair_features, lexicon_features], then we will consider all 4 combinations of features.

Assuming we have a set [A,B,C], we can have 8 combinations: (empty),A, B, C, AB, AC, BC, ABC; In the log:
features=token_pair_features lexicon_features: 0.75125
features=token_features token_pair_features lexicon_features: 0.74583
features=token_features token_pair_features: 0.73542
features=token_pair_features: 0.72875
it is something equivalent to having BC, ABC, AB and B. Why is this the case?

Regards,
Zhidu

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[gershwinlover]

thanks a tons!

[gershwinlover]

I think I misunderstood the log.txt file. There are 7 combinations in that output. So sorry about this confusion.