Forecasting: Principles and Practice (3rd ed.). Exercise pages for Sections 1.8, 2.10, 3.7, 5.11, 7.10, 8.8, and 9.11

An introduction to simple linear regression using R, including model theory, coefficient estimation, and a worked example with visualizations using ggplot2 and plotly.

This report analyzes the Walmart Sales dataset using R to understand sales patterns, distribution, and factors influencing performance. Various data analysis techniques such as summary, statistics, visualization and grouping are applied.