Design how to compare two algorithms for the feed ranking?
Data Scientists Interview Questions
54,340 data scientists interview questions shared by candidates
Marketing asked what additional data sources I would use to bolster analyses.
what is the application of central limit theorem in data analysis during pre processing?
Can you walk us through a data project you have worked on and explain how you approached data cleaning, analysis, and visualization?
about likely future paths for particular scientific domain; I can't go in to specifics but my point is to apply for a position your qualified for because you will be asked specific questions where you have to prove yourself
(SQL) You need to JOIN 2 tables together, TA, TB, in such a way that you get every raw of TA at least once at the result, which JOIN is that ? (ML): need to train a supervised learning model , but you have only a small amount of data. Which technique to use, to both train and evaluate performance of the model?
(Probability) Smb has 2 kids, at least one is a girl. What is a probability that Smb has 2 girls? (General algorithm design) Describe an algorithm that will find a global maximum of a well-behaved function (means 1st, 2nd derivatives are defined) ?
how to join two table rows in SQL?
Explain a software project as a presentation
Analysing pandas dataframes with transactions data.
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