Faceting (Trellis Plot / Small Multiples)

using VegaLite, VegaDatasets

dataset("population") |>
@vlplot(
    :bar,
    transform=[
        {filter="datum.year==2000"},
        {calculate="datum.sex==2 ? 'Female' : 'Male'",as=:gender}
    ],
    row="gender:n",
    y={"sum(people)", axis={title="population"}},
    x={"age:o", scale={rangeStep=17}},
    color={"gender:n", scale={range=["#EA98D2", "#659CCA"]}}
)

using VegaLite, VegaDatasets

dataset("barley") |>
@vlplot(:bar, column="year:o", x="sum(yield)", y=:variety, color=:site)

using VegaLite, VegaDatasets

dataset("movies") |>
@vlplot(:point, column="MPAA_Rating:o", x=:Worldwide_Gross, y=:US_DVD_Sales)

using VegaLite, VegaDatasets

dataset("cars") |>
@vlplot(
    :bar,
    x={
        :Horsepower,
        bin={maxbins=15}
    },
    y="count()",
    row=:Origin
)

using VegaLite, VegaDatasets

dataset("anscombe") |>
@vlplot(
    :circle,
    column=:Series,
    x={:X, scale={zero=false}},
    y={:Y, scale={zero=false}},
    opacity={value=1}
)

using VegaLite, VegaDatasets

dataset("barley") |>
@vlplot(
    :point,
    row="site:o",
    x={"median(yield)", scale={zero=false}},
    y={
        "variety:o",
        sort={
            "yield",
            op=:median,
            order=:descending
        },
        scale={rangeStep=12}},
    color=:year
)

using VegaLite, VegaDatasets

dataset("stocks") |>
@vlplot(
    :area,
    width=300,height=40,
    transform=[{filter="datum.symbol !== 'GOOG'"}],
    x={
        "date:t",
        axis={format="%Y",title="Time",grid=false}
    },
    y={
        :price,
        axis={title="Price",grid=false}
    },
    color={
        :symbol,
        legend=nothing
    },
    row={
        :symbol,
        header={title="Symbol"}
    }
)