Remove Cross Validation Remove ETL Remove Power BI
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Top 50+ Data Analyst Interview Questions & Answers

Pickl AI

Techniques such as cross-validation, regularisation , and feature selection can prevent overfitting. Data Warehousing and ETL Processes What is a data warehouse, and why is it important? Explain the Extract, Transform, Load (ETL) process. In my previous role, we had a project with a tight deadline.

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Big Data Syllabus: A Comprehensive Overview

Pickl AI

Understanding ETL (Extract, Transform, Load) processes is vital for students. Model Evaluation Techniques for evaluating machine learning models, including cross-validation, confusion matrix, and performance metrics. Visualisation Tools Familiarity with tools such as Tableau, Power BI, and D3.js