The TFIDF (or TF-IDF) is a measure that considers both ______________ and ________________.
A.commonness of a term, the scarcity of the term
B.uncommoness of a term, the scarcity of the term
C.length of a term, the scarcity of the term
D.uncommoness of a term, the weakness of the term
The term __________ refers to a specific implementation of association rules mining that many companies use for a variety of purposes.
A.market research analysis
B.market prediction analysis
C.market competitive analysis
D.market basket analysis
A distribution over a fixed vocabulary of words is formally defined as..
Your customer provided you with 3,000 unlabeled records and asked you to separate them into three groups. What is the correct analytical method to use?
B.Naive Bayesian classification
Time series analysis attempts to model the underlying structure of ________________taken over time.