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Statistical classification is the problem of identifying the sub-population to which new observations belong, where the identity of the sub-population is unknown, on the basis of a training set of data containing observations whose sub-population is known. Therefore these classifications will show a variable behavior which can be studied by statistics.

3 votes
1 answer
2k views

Python - Classification algorithms implementation which accept missing values?

I've a binary classification problem which I want to solve where many features have a lot of missing values. … Other than XGBoost, which other python classification algorithms implementations allow the usage of a dataset with missing values? …
user1403546's user avatar
10 votes
1 answer
3k views

threshold choice for binary classifier: on training, validation or test set?

I have a binary classification problem where I perform cross validation on the training set (currently 80% of the examples) and then evaluate results on a test set. … QUESTION: which is the right classification pipeline step where I should choose the prediction threshold? …
user1403546's user avatar