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Can you come up with an algorithm that identifies all possible triplets in an integer array that sum up to a target value?

How would you utilize a hash table to efficiently solve the two sum problem in O(n) time complexity?

In your experience, what are the challenges associated with the training of deep neural networks with several layers?

Can you identify the problems that tend to surface with models that are heavily layered?

Please tell me about the role of CNNs and where they are typically applied.

How do the objectives of k-means and k-nearest neighbors differ in data analysis?

Discuss the difference between precision and recall in terms of their meaning and function in the context of classification models. Also, discuss some scenarios where these metrics may give misleading results or fail to provide useful information.

Implement a video streaming application in the style of Netflix.

Can you give an overview of how a model can be evaluated for bias and variance errors?

What are some of the other time series models you've worked with besides ARIMA?