General Mills 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. What is confusion matrix
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Confusion matrix is a table used to evaluate the performance of a classification model.
• It is a matrix with rows representing the actual classes and columns representing the predicted classes.

• It helps in visualizing the performance of a classification model by showing the counts of true positive, true negative, false positive, and false negative predictions.

• It is commonly used in machine learning to assess the accuracy ...read more
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Q2. What is r2 and adjusted r2 and their differenec
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r2 and adjusted r2 are metrics used to evaluate the goodness of fit of a regression model.
• r2 (R-squared) measures the proportion of the variance in the dependent variable that is predictable from the independent variables.

• Adjusted r2 is a modified version of r2 that adjusts for the number of predictors in the model, providing a more accurate assessment of the model's goodness of fit.

• r2 always increases when adding more...read more
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Q1. Your work and project related question and an assignment was given
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