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Commit ca5932e

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Update data_science_interviews.md
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‎data_science_interviews.md

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Difference between Breadth-first search & Depth first search.
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Explanation of the past project. What were the features used and how did you determine performance?
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What is the difference between linear regression and logistic regression?
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What is the internal working of logistic regression (LR)?
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What is the loss function of LR?
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Name some hyperparameters used in LR? Why do we use regularization?
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When do we use accuracy as a metric? When should we not use accuracy?
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How do you deal with imbalance data?
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What is SMOTE and how is it different from stratified sampling?
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Watch this video to understand how SMOTE works [https://www.youtube.com/watch?v=U3X98xZ4_no]
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What is better 0.51 AUC (Area Under the Curve) or 0.43 F1 score? Which one should you present to a client?
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Watch this video to understand how AUC is interpreted [https://www.youtube.com/watch?v=mUMd_cKU0VM]
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What does the ROC AUC value signify?
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Do we only use the threshold of 0.5 or can we use other thresholds in LR? If yes, how do we find them?
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Can I use a sales forecasting model built using pencils data to be used in erasers data?
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How would you compare the performance of two forecasting models?
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What are the different metrics used in regression analysis? Which metric should be used where?
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How do you build a testing pipeline for a data science model? [https://www.kdnuggets.com/2020/08/unit-test-data-pipeline-thank-yourself-later.html]
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