What kind of SQL and statistics questions are asked in an Amazon business analyst (L4/L5) position in their on-site interview? What are other technical topics necessary to crack this interview other than their LPs? Asking for a friend who has her on-site in this week. Any inputs would be appreciated. Thank you in advance! #amazon #amazoninterview #businessanalyst #sqlinterview
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A term frequency–inverse document frequency (tf–idf) matrix using both unigrams and bigrams is built from a text corpus consisting of the following two sentences: 1. Please call the number below. 2. Please do not call us. What are the dimensions of the tf–idf matrix?
2*(8 + 8C2)?