1- What R2 and Adj R2, which is important ? define 2- If experience in tableau then 2.a Filters in tableau 2.b datatypes in tableau 2.c what's table calculations in tableau? 2.d default join? 3 scenario based question and discussion 4 bagging and boosting
Which Algorithm you will use for optimal search ?
Code example with fiverr data of sellers and buyers. I asked to give the distribution of number f sellers with 1 service for sail, 2 services for sail, etc.
What is your favorite ML algorithm?
Do you know about Regression and Classification problems? *If you are interviewing for senior data science position, is this your level of question?
How do you evaluate the model performance? Which metric will you pick?
I was asked to code a left join in Python.
Erzähl mal von einem Datenprojekt, gerne aus deiner freiberuflichen Phase, welches du umgesetzt hast und was auf Probleme du stießt bzw. welche Methoden du verwendet hast.
I got a standard coding exercise in pandas, using "groupby" and "apply".
How would I expand the product palette?
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