Mondelez International Data Scientist 2 Interview Questions and Answers

Sample data for market clustering was provided.

Q1. Scenario Based model selection for price optimisation
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Q2. Advantages and disadvantages of encoder decoder based models
Ans. 
Encoder-decoder models are popular in sequence-to-sequence tasks, with advantages like flexibility and disadvantages like potential information loss.
• Advantages: flexibility in handling variable length inputs/outputs, ability to learn complex patterns, widely used in machine translation tasks (e.g. Google Translate)

• Disadvantages: potential information loss during encoding/decoding process, difficulty in capturing long-r
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Q1. Questions on Generative AI models
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Q1. Gini Coefficient in Random Forest
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The Gini coefficient is used in Random Forest to measure the impurity of a node.
• Gini coefficient is a measure of impurity in a node of a decision tree in Random Forest.

• It ranges from 0 (pure node) to 0.5 (impure node).

• Random Forest uses Gini coefficient to decide how to split nodes during the tree building process.
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Q2. Random Forest, Bagging and Boosting
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Q1. General Discussion around projects
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Q1. Joining Formalities
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