By Ysabella Salas, Teddy West, Jake Lee, and Whitney Humecky
@ University of Texas at Dallas
STAT 4355.001
GDP Per Capita (current US$ as of 2023)
https://data.worldbank.org/indicator/NY.GDP.PCAP.CD
Happiness and Alcohol Consumption by Marcos Pessoto
World Happiness Report 2016
https://worldhappiness.report/ed/2016/
Raw dataset had 122 observations with 9 variables.
Response Variable
- Happiness Score
Predictor Variables
- Human Development Index (HDI)
- Gross Domestic Product (GDP) per capita (US Dollars)
- Beer (Liters per capita)
- Spirits (Liters per capita)
- Wine (Liters per capita)
- Logarithmic Transformation of GDP per capita
- Total Alcohol Consumption (Sum of Beer, Spirits, and Wine per capita)
Unused Variables
- Region (ie. Western Europe, North America…etc)
- Hemisphere (North or South)
- Country (indexing variable of country names)
For the analysis the followings were used:
- Simple linear regression
- ANOVA
- VIF Test
- Residual Analysis
- QQ plot
- Influential Points