x::AbstractVector
y::AbstractVector
group::AbstractVector
points::Bool = false
pointShape::AbstractString = "circle"
pointSize::Real = 10

using Vega

x = [1,2,3,4,5,1,2,3,4,5]
y = [5,2,3,6,8,10,12,15,18,30]
group = [1,1,1,1,1,2,2,2,2,2]

l = lineplot(x = x, y = y, group = group)

lineplot(x = x, y = y, group = group)

lineplot(x = x, y = y, group = group, points = true)

lineplot(x = x, y = y, group = group, points = true, pointSize = 20)