Describe your work experience, what interests you about the company
Sr Data Scientist Interview Questions
281 sr data scientist interview questions shared by candidates
Walk me through your data science projects? What's the biggest dataset you worked with?
Where do I see myself in 5 years
Describe a challenging situation at work
What is MLE? Difference between Random forest and Xgboost model How do you caliberate an ML model ? Explain regularization Explain bias variance trade off How do you handle class imbalance? Some deeper questions on projects
SQL medium questions - make sure you know window functions.
Do you prefer to work alone or in a team?
NGS problem challenge on analyzing a sequencing dataset
Explain what the below pseudo-code is trying to do. array[N] # array of N integers, indexed 0 to N-1; # assume it’s populated with [1,4,2,-2,-9,10,2,12,2,-4,-4,-4,-4,2,6,7] peak = array[0] index = 0 output = [] # array of tuples For x in 1..N-1 if (array[x]*array[x-1] > 0) if peak < 0 and array[x] < peak peak = array[x] index = x if peak >= 0 and array[x] > peak peak = array[x] index = x else output.insert( (index, peak) ) peak = array[x] index = x end if end for return output
Tell me about yourself, a project that went wrong, how to select a protocol for an experiment
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