Currently the data positions in industry is thriving. Some companies like insurance companies, IT companies, some hospitals, they all have Data Analyst/data Science positions.
This area is changing. Some new things/techs appear from time to time. Currently, they focus on Big Data ( hadoop, spark), and machine learning ( including deep learning).
Here are some sample questions for a data position, we can see the trends of this area:
1. Project introduction
2. Probability questions (Bayes formula)
3. Machine learning concepts, over-fitting, theory of SVM, evaluation of a model, optimization-Gradient descent
4. Reservoir Sampling
https://gregable.com/2007/10/reservoir-sampling.html
5. deep learning, and how to practice
6. Big data, implement kmeans using hadoop
7. Intersections of two linked lists
The interview questions are becoming more and more difficult. And it follows the trends in the area.
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