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How does Support Vector Machine classify data?

Can you describe a process for determining the dot product of two sparse matrices?

Suppose you have two tables, one of which has duplicate values. How would you join these tables?

Can you discuss any approaches you may take to improve monthly retention based on your analysis?

Can you explain the relationship between Gradient Descent and deep learning models? How does Gradient Descent contribute to the training process of deep learning models?

Could you construct a SQL query that pulls only the unique conversation events from a database?

Please explain the steps you take to turn raw data into something that a machine learning algorithm can interpret.

Can you elaborate on the BERT structure and why it's better than the BiLSTM in practical applications?

Could you outline the key performance indicators you would use to evaluate the effectiveness of a 30-second waiting period for shared rides? What kind of data would you gather and analyze to assess its impact?

What is your understanding of an attention model?