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Deepak_Biswas

Deepak Biswas

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Assignment 4 – Multivariate Regression Analysis (attitude Dataset)
Multivariate regression analysis using attitude dataset with model selection and assumption testing (VIF, Durbin-Watson, diagnostic plots).
Assignment 3: Data Visualization using R
This report visualizes Formaldehyde, CO2, and HairEyeColor datasets using Base R and ggplot2 with interpretations.
Sentiment Analysis – Tata Motors (FY24 vs FY25)
This report analyzes the sentiment of Tata Motors' Management Discussion and Analysis (MD&A) section for FY24 and FY25 using R. It includes sentiment classification using the NRC lexicon and visual comparison through bar charts.
Regression Analysis on Boston Housing Dataset
This report presents a multiple linear regression analysis on the Boston Housing dataset using R. The study includes model building, variable selection, and diagnostic tests such as Breusch-Pagan and VIF.