https://public.tableau.com/app/profile/wendy4030/viz/DALI2022DataChallenge/VIS3
- VIS1: Time Series Analysis on performance of Superstore
- VIS2: Sub-Category Analysis on performance of Superstore
- VIS3: Regional Analysis on on performance of Superstore
https://docs.google.com/document/d/1v7Pgbja0Eojll_aYcth0Fb7SNMRabkQ9-Z6bfTYncF8/edit?usp=sharing
- Multivariable Regression (shipping mode): Sales gap between different shipping modes
- One-way ANOVA: Is there a difference in efficiency between different shipping modes ?
- T-test: Avg of actual days vs Avg of estimated days
- Multivariable Regression with interaction variables (days taken to ship * region): Sales analysis on shipping efficiency by region
NOTE: codes are commented in STATA log/do file