Let's create a scatter plot of life expectancy (y) vs gdp (x) of 217 nations, colored by region (qualitative).

Let's create a scatter plot of co2 emission (y) vs gdp (x) of 217 nations, colored by life expectancy (quantitative).

Let's create a scatter plot of co2 emission (y) vs gdp (x) of 217 nations, colored by life expectancy (quantitative).

Let's create a scatter plot of life expectancy (y) vs gdp (x) of 217 nations, colored by co2 (quantitative). Reference: Week2 assignment - log scale

See the Plot example --> https://observablehq.com/@observablehq/plot-wealth-health-nations on how to use a "lastDefined" reducer and groupZ transform to handle missing data and to smooth out the animation.