Have used HPLC/MS or are familiar with techniques
Senior Data Scientist Interview Questions
54,334 senior data scientist interview questions shared by candidates
Describe a time when things didn't go your way in the workplace and how you dealt with this.
Given a dataset which we cannot even see properly on hackerrank, build 2 ML models and answer insight related questions within 2 hours. It made no sense. The dataset was in raw form, had to be studied and converted into features and target, split for training/testing and report accuracy. This is not how a data science task can be completed.
Why did you chose kraft heinz?
The analytical question was how to lower the cost of a fleet truck, it is very detail oriented yet very interesting, chanlleging
SQL. And why the number of likes are increasing?
What is 19+NULL in SQL
Given a list, create a new list that does not include duplicate values of the original list.
Linear Regression Assumptions, Boosting and Bagging. Regularisation, Feature Selection Methods, Forecasting
Why do you want to work at Parexel ?
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