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Data Scientist Interview Questions
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2. Given the data, what kind of hypothesis test will you perform? What is the null and alternative hypothesis? Explain p-value.
Describe a predictive model I developed.. what was the purpose, how did you choose which model to use, how was it used?
Regularization ?
How would you optimize a complex SQL query on a large dataset?
What is the significance of p value.
Richiesta documentazione da compilare che ho compilato in parte in quanto non era chiaro come compilare...
Describe a statistical model you are using in your work now? (Referencing the model) explain the difference between random and fixed effects -- and what do they control for?
Hai mai avuto esperienze di fine tuning?
SQL question which required CTE
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