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Explain what heteroscedasticity means?

Considering that you already have labelled data for your clustering project, what are some of the methods that you can use to evaluate model performance?

What are some of the loss functions you have used or are aware of?

How would you code a function that outputs a normally distributed dataset and visually represent it?

In your opinion, what are some of the critical assumptions associated with linear regression that researchers need to be mindful of? Why are these assumptions essential for correctly interpreting model results?

Can you share a time when you were forced to change your working style.

How would you calculate correlation between a binary variable and a continuous variable?

Could you tell me about a community you are passionate about? If given the chance, how would you contribute?

What would be your course of action if observe the number of notifications sent has dropped by 15%

What are your career goals over the next five years? How does Square fit into your overall vision?