Tiger Analytics Senior Analyst In Data Science interview questions

Technical rounds - 2 1st round: Questions on fundamental concepts of Machine Learning What are the assumptions of linear regression? What is bias and variance? What is Accuracy, Precision, Recall, Sensitivity, Specificity? Python coding Sorting a list Traversing an array Counting the number of duplicates in a list and storing them in a dictionary SQL questions Questions involving Window functions Questions based on projects worked mentioned in the resume. Technical round 2 Detailed discussion on any one of the projects mentioned. Python coding Mean imputation Data manipulation using pandas