Different cost benefit type assessments. Determine which option is better, how to probabilistically determine best choice
Sr Data Scientist Interview Questions
3,371 sr data scientist interview questions shared by candidates
They asked me to walk through large projects I had led/implemented.
There are two tables. The first table is 'RUN' and includes 'athleteID', 'RunID', 'RunDate', and 'RunTime'. The second table is 'Athlete' and includes 'AthleteID' and 'JoinDate' and 'Age'. Write a query that shows the percentage of athletes who participated in the program in April 2024, meaning they have records in Table 1. An athlete may have multiple records in Table 1, but they are unique in Table 2.
Too many behavioral questions in the initial rounds
Just a bunch of goofy coding exercises LOL things Claude 4.5 could solve in seconds while a true AI first Data Scientist would focus on orchestration etc.
Series de tiempo e inferencia causal
Regular DS and ML stuff, nothing fancy.
What is batch normalization? What is dropout?
What is the bias of boosting? And its variance?
What is collaborative filtering in ML?
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