Hi. I developed a dataset that contains demographics features for each participants. For the Walking Activity Supplement Training and Walking Activity Training, I can found demographics features by using healthCode. But for the Walking Activity Testing, demographic features of participants is not in the Demographics Training dataset. Because of this reason, I can't submit feature set for the Walking Activity Testing. How can I add the demographic features for this testing dataset.

Created by Yasin Görmez ysngrmz
This applies to all features you submit.
It is stated in the submission requirements: "There is no upper bound on the number of features submitted, but all features must be numeric". So this just applies to the features we generate then?
Now I understand, thank you.
You may use any information available in the test data. As Yuanfang said, there is no way to ensure that these have not been used, so in fairness to all you may use any information to which you have access.
I think it should be allowed, device, etc, so as site, etc., as there will be no measure to absolutely prevent participants to incorporate these features. It is too easy to turn the model by taking them into account, while not using them as features. Then it will not be fair to the other participants.   Under this situation, the easiest and fairest way is whatever in the test table including sex, gender, etc, are allowed (but not required) to be used.
Hi, "Features must be derived from mobile sensor data only." >> Is this rule also applies to Subchallenge 2? For Subchallenge 2 (L-Dopa Challenge Data), our extraction method also CAN'T be involved with features (eg. "session", "visit", "site")which are not from mobile sensor data, right? In other words, even if we don't have information like "device","session","site","visit", our feature generation method must still work fine. Is my understanding correct? Thank you.
Yasin- Features must be derived from mobile sensor data only. We include minimal demographic data (age and gender) when we train the ensemble model from your features. Solly

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