smoothing2.vl

{
    "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
    "data": {
        "url": "https://vega.github.io/vega-lite/data/movies.json"
    },
    "description": "How can we 'smooth' and rename data?",
    "height": 300,
    "layer": [
        {
            "encoding": {
                "x": {
                    "field": "Rotten_Tomatoes_Rating",
                    "type": "quantitative"
                },
                "y": {
                    "field": "IMDB_Rating",
                    "type": "quantitative"
                }
            },
            "mark": {
                "filled": true,
                "opacity": 0.3,
                "type": "point"
            }
        },
        {
            "encoding": {
                "x": {
                    "field": "Rotten_Tomatoes_Rating",
                    "type": "quantitative"
                },
                "y": {
                    "field": "ly",
                    "type": "quantitative"
                }
            },
            "mark": {
                "color": "firebrick",
                "type": "line"
            },
            "transform": [
                {
                    "as": [
                        "Rotten_Tomatoes_Rating",
                        "ly"
                    ],
                    "loess": "IMDB_Rating",
                    "on": "Rotten_Tomatoes_Rating"
                }
            ]
        },
        {
            "encoding": {
                "x": {
                    "field": "Rotten_Tomatoes_Rating",
                    "type": "quantitative"
                },
                "y": {
                    "field": "ry",
                    "type": "quantitative"
                }
            },
            "mark": {
                "color": "orange",
                "type": "line"
            },
            "transform": [
                {
                    "as": [
                        "Rotten_Tomatoes_Rating",
                        "ry"
                    ],
                    "on": "Rotten_Tomatoes_Rating",
                    "regression": "IMDB_Rating"
                }
            ]
        }
    ],
    "width": 300
}