STAT 4355.001 Final Project: Alchohol, Wealth, and Happiness

By Ysabella Salas, Teddy West, Jake Lee, and Whitney Humecky

@ University of Texas at Dallas

STAT 4355.001

Dataset Information

GDP Per Capita (current US$ as of 2023)

https://data.worldbank.org/indicator/NY.GDP.PCAP.CD

Happiness and Alcohol Consumption by Marcos Pessoto

https://www.kaggle.com/datasets/marcospessotto/happiness-and-alcohol-consumption?datasetId=70396&sortBy=dateRun&tab=profile

World Happiness Report 2016

https://worldhappiness.report/ed/2016/

Variable Selection

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)

Analysis

For the analysis the followings were used:

  • Simple linear regression
  • ANOVA
  • VIF Test
  • Residual Analysis
  • QQ plot
  • Influential Points