Calcutta High Court Interview Questions and Answers

Bias-variance tradeoff is the balance between underfitting and overfitting in machine learning models.

• Bias refers to error from erroneous assumptions in the learning algorithm, leading to underfitting.

• Variance refers to error from sensitivity to small fluctuations in the training set, leading to overfitting.

• The tradeoff involves finding the right level of model complexity to minimize both bias and variance.

• Regularization techniques like Lasso and Ridge regression can help in ...read more

The question asks for 2 Java codes.

• Provide 2 Java codes

• Ensure the codes are related to software development

• Explain the purpose or functionality of each code

• Include any relevant examples or explanations

Agile process emphasizes collaboration, flexibility, and iterative progress in project management, enhancing overall project knowledge.

• Agile promotes regular communication through daily stand-ups, ensuring everyone is aligned on project goals.

• Iterative development allows for continuous feedback, enabling teams to adapt quickly to changes.

• Cross-functional teams enhance overall project knowledge by integrating diverse skills and perspectives.

• Example: In a sprint review, stakeho...read more

SQL code to find 2nd highest salary

• Use the MAX() function to find the highest salary

• Use the WHERE clause to exclude the highest salary

• Order the salaries in descending order and limit the result to 1

ETL (Extract, Transform, Load) is a data integration process that involves extracting data from various sources, transforming it, and loading it into a destination.

• Extract: Data is gathered from multiple sources like databases, APIs, or flat files. Example: Pulling customer data from a CRM system.

• Transform: Data is cleaned, enriched, and formatted to meet business requirements. Example: Converting date formats or aggregating sales data.

• Load: The transformed data is loaded int...read more

I tackled by breaking it down into smaller tasks, collaborating with team members, and seeking input from experts.

• Broke down the problem into smaller, manageable tasks

• Collaborated with team members to brainstorm solutions

• Sought input from experts in the field for guidance

GROUP and SET are both Tableau functions used for creating subsets of data, but GROUP is used for combining data based on a common field, while SET is used for creating custom subsets based on conditions.

• GROUP is used to combine data based on a common field, such as grouping sales data by region.

• SET is used to create custom subsets of data based on conditions, such as creating a set of high-value customers.

• GROUP can be used to aggregate data within a specific category, while ...read more