What is the difference between bagging and boosting?
Senior Data Scientist Interview Questions
3,404 senior data scientist interview questions shared by candidates
Implement k-means clustering, with inputs an N*D matrix and outputs k N_i*D matrices.
Very basic questions about machine learning and sql
1. data structure-based questions. 2. string and complexity-based questions 3. detail about SVM
It's common to have 50-60 hour weeks in this role, would you have any issues with that?
What's p value? What's diff between tree and boosting.
You should probably brush up on time complexities, because you will inevitably be asked about doing algorithms on big data
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 explain the difference between SVM and random forest? How did you select the parameters for random forest?
The hackerrank test covered three partsStatistics, Python and SQL
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