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PYQs - (Data Analytics and Model Evaluation)

  1. What do you mean by text analysis? Why text analysis need to be done? Explain the following text analysis steps with suitable examples
  2. Wirte short note on 1) Time series Analysis il) TF- IDF.Wirte short note on 1) Time series Analysis il) TF- IDF.Certainly! Let's delve into the details of Time Series Analysis and TF-IDF, drawing insights from foundational texts such as "Data Science & Big Data Analytics: Discovering, Analyzing, Visualizing, and Presenting Data" (Wiley, 2015) and Chirag Shah's "A Hands-On Introduction to Data Science" (Cambridge University Press, 2020). i) Time Series Analysis Definition and Importance: Time Series Analysis is a statistical technique that deals with data points collected or recorded at specific time in
  3. What is data visualization? What are the different methods of data visualization explain in detail.
  4. Explain in detail the Hadoop Ecosystem with suitable diagram