USA States Election Results Map (Joined Datasets)

val usaStates =
    GeoDataFrame.readGeoJson("https://raw.githubusercontent.com/AndreiKingsley/datasets/refs/heads/main/USA.json")
val name by column<String>()
val geometry by column<Geometry>()

val usaAdjusted = usaStates.modify {
    update(geometry).where { name() == "Alaska" }.with {
        it.scaleAroundCenter(0.5).translate(40.0, -40.0)
    }
        // move Hawaii and Puerto Rico
        .update(geometry).where { name() == "Hawaii" }.with { it.translate(65.0, 0.0) }
        .update(geometry).where { name() == "Puerto Rico" }.with { it.translate(-10.0, 5.0) }
}

val usa2024electionResults =
    DataFrame.readCSV("https://gist.githubusercontent.com/AndreiKingsley/348687222aecc4f0eb39e3d81acd515b/raw/a9914352dbdfb426f9146dda633ee382d936b000/usa_2024_election_states.csv")
val winner by column<String>()

val usaStatesWithElectionResults = usaAdjusted.modify {
    innerJoin(usa2024electionResults) { name }
}

usaStatesWithElectionResults.plot {
    geoMap {
        fillColor(winner) {
            scale = categorical(
                "Republican" to Color.hex("#CC3333"),
                "Democrat" to Color.hex("#3366CC")
            )
        }
        tooltips(name, winner)
    }
    layout {
        title = "USA 2024 President Election Results"
        size = 700 to 500
        style(Style.Void) {
            legend.position = LegendPosition.Top
        }
    }
}
Last modified: 08 February 2025