x::AbstractVector
y::AbstractVector
group::AbstractVector
sort::Bool = true

df = DataFrame()
for p in JSON.parse(readall(Pkg.dir("Vega", "vega-datasets/movies.json")))
    df = vcat(df, DataFrame(;Dict(Symbol(k)=>v for (k,v) in p)...))
end

a = dotplot(x = x = df[:US_Gross], y = df[:Major_Genre])
a.width = 500
ylab!(a, title = " ", grid = true)
xlab!(a, title = "Avg. U.S. Gross Movie Receipts", format = ".3s")