1) Scatter — Sugars vs Calories
Marks: points (symbols). Channels:
x= sugars, y= calories,
color= manufacturer,
shape= type (C/H),
size= protein.
2) Line + Area — Average Rating by Sugars
Marks: line + area. Channels:
x= sugars, y= mean rating,
area fill emphasizes magnitude.
3) Bars — Average Sodium by Shelf
Marks: bars (areas). Channels:
x= shelf (1=low, 2=middle, 3=top),
y= average sodium (mg),
color by shelf.