Bnp

“I went with the Markov chain approach, setting up states based on how much of the pattern you've already matched.” The rest of the author's notes on Data Scientist interview at Bnp, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I listed the usual suspects: linearity, independence, homoscedasticity, normality of errors, no perfect multicollinearity.” The rest of the author's notes on Data Scientist interview at Bnp, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I always find this one harder than it looks.” The rest of the author's notes on Data Scientist interview at Bnp, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This was basically a three-part question dressed up as one.” The rest of the author's notes on Data Scientist interview at Bnp, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I stared at this for an embarrassingly long time.” The rest of the author's notes on Data Scientist interview at Bnp, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I knew the general approach using the CDF trick: E[max] = sum over k of P(max >= k), which you can rewrite using complements.” The rest of the author's notes on Data Scientist interview at Bnp, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.