The tf-idf weight is lower when a term t occurs many times in a document or occurs in relatively few documents.Question 8Select one:TrueFalse

True/False: tf-idf weight is a metric derived by taking the log of N divided by the document frequency where N is the total number of documents in a collection.Question 16Select one:TrueFalse

Consider a term that appears 15 times in a document of 500 words. In a collection of 1000 documents, this term appears in 200 documents. What is the TF-IDF score for this term?Answer choicesSelect only one optionREVISIT0.10.02090.20.209

If the term frequency (TF) of a word in a document is 0.1 and the inverse document frequency (IDF) of the word is 1.609, what is the TF-IDF weighted value of the word in the document?Question 3Answera.0.1609b.0.162c.0.161d.0.160

TF - IDF represents

14.In TF-IDF what does IDF stand for?  A. Inverse Document Frequency  B. Indented Document Frequency  C. Index Document Frequency  D. Inverse Data Frequency