author: "Maria Alejandra Pinilla, Sebastian Reyes, Zareth Pulido, Juan Felipe Rodriguez" date: "2025-08-12" output: html_document

Descriptive map of the current situation of the receiver network

Homework 10

Full script builds the panel, merges event data (with alias/parent splits),tracks exits and market concentration. 1. PI: Mike Jones - UAA-ISER - msjones6@alaska.edu 2. RP: Katie Longuevan - UAA-ISER - kmlonguevan@alaska.edu Purpose of this code: - Build a detailed carrier-route-year dataset for Alaska (post-2002). - Add labels for route type (mainline vs. bush) and carrier exit timing. - Track passenger, freight, and mail totals per carrier per route per year. - Enrich the dataset with carrier counts per route and route-year.

Workshop 1 - Statistics for AI

This workshop uses the ISLR Carseats dataset to practice: - Correlation between business variables (e.g., Sales, Price, Advertising, Income). - Two-way plots (scatter, pair plots) and box plots. - ANOVA (one-way and two-way with interaction) using categorical marketing/retail factors . - A short preview of regression models motivated by the ANOVA results, including AIC comparison and robust standard errors.

map of newly acquired com stores + surrounding (5 miles) stores with their HoOps from P5 to P7 color coded