Programming: Remove duplicates from a list, Kadane's Algorithm, SQL : Alternate employees, Second highest salary, union all, where salaries are equal, joins, indexing, update an entry in table
Data Scientist Junior Interview Questions
1,122 data scientist junior interview questions shared by candidates
Take home assingment was very long
Basic data science questions like "How did you split the data between testing and training", and "Methods to evaluate a classification model"
not shortlisted in first round..prepare well.they set high cutoff and select few candidate.
explain random forest
Describe a time when your usual problem solving strategies did not work.
Background: Talk a bit about yourself, talk a bit about your experience, talk a bit about your skill and what problem you solved. Coding: easy level coding, similar to 2 sum Case: how to quantify problems, what features you think of to use, how to evaluate performance, etc.
A lot of questions from all possible topics in ML & NLP. Coding questions of intermediate level.
Why this position at Allstate?
The case study presents real data and they ask questions about how you would approach the modeling process. Understand imbalanced class classification, model evaluation, cross validation, and logistic regression, and perhaps more sophisticated techniques.
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