Asked about data science projects that I worked on in my previous roles.
Sr Data Scientist Interview Questions
3,513 sr data scientist interview questions shared by candidates
- Different between assert and try catch - a bunch of questions about Gradient Descent - difference between decision tree and random forest and Gradient Descent - python decorators - difference between union and union all - a/b testing - what is pca - broadcast join
General question and review of past experiences Writing code in databricks. Using window function with Pyspark
They asked me a Python coding question, a machine learning prediction take-home problem, a case study.
The hackerrank test covered three partsStatistics, Python and SQL
Machine learning methodology screening: decision tree and multi variate regression and PCA
Choose the location for a new store from two sites, each with different budgets and expected revenues. There's a chance of a bridge will be built to reach one of the sites, and revenue will be different. Then one can choose to build a store or resell the land to reduce the loss after knowing the bridge connects to which site.
Can you tell me a little bit and very briefly about the most interesting project that you have worked within Business Intelligence?
Why did you choose to define the target variable this way in the data challenge?
Do you have any kids?
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