Graham David voyager2saturn

Hello, my name is David

The astronaut dataset spans missions from 1959 to 2009, with an average mission year of 1985.
Currently, there are 50 active astronauts.
Spacewalk experience shows a skew toward lower ranges, with 249 astronauts categorized as below average and 108 as above average based on spacewalk hours.
Educational background analysis reveals a strong dominance of STEM fields, particularly Physics (35), Aerospace Engineering (33), Mechanical Engineering (30), Aeronautical Engineering (28), and Electrical Engineering (23).
Gender distribution is heavily skewed, with 307 male astronauts compared to 50 female astronauts, indicating a more interest from males.

WORLD LIFE EXPECTANCY EDA - SQL

Eliminated data inconsistencies by systematically removing duplicates and filling in missing entries, resulting in a dataset that was 100% ready for accurate analysis without any discrepancies or errors.
Analyzed the relationship between Life Expectancy and GDP, discovering a 10-year gap between countries with low GDP (64.6 years) and high GDP (74.2 years).

US HOUSEHOLD INCOME EDA - SQL

Executed thorough data audits resulting in the elimination of over 10 duplicate entries from essential datasets, establishing a solid foundation for accurate analysis of income trends and performance metrics.
Identified states with the lowest and highest average incomes, with Puerto Rico ($ 27k) at the lowest and the District of Columbia ($90k) at the highest.
Discovered that New Jersey had the highest median income ($126k), while Puerto Rico had the lowest ($22k).
Found that municipalities had the highest average income of $83k among different categories.

Crafted detailed graphs analyzing item sales across diverse categories and states, leading to the identification of top-performing products.
Created innovative data visuals utilizing heat map techniques which highlighted top-performing products by region; these discoveries can guide promotional tactics resulting in increased customer engagement rates.
Evaluated the cost-to-sales ratio for copier products and identified an impressive profit margin of $55,618.