25:["$","title",null,{"children":"Subtitle by Official HIGE DANdism on YouTube | tsurezure lab. こちら徒然研究室（仮称） | Observable"}] 49:T86a,// プロットを描画 Plot.plot({ // グラフ内側の余白を設定 inset: 20, // グラフの幅を指定 width: 1200, // グラフの高さを指定 height: 675, marginBottom: 45, r: { range: [0, 29.5] }, style: { background: "rgb(250, 245, 240)", fontSize: "17px", color: "deepgray" }, x: { // tickFormat: d3.timeFormat("%-y/%-m/%-d"), // この行を追加 label: "投稿日" }, marks: [ Plot.text( // グラフ内の任意の位置にテキストをプロットするコード [ `YouTubeデータより徒然研究室（仮称）作成。データ取得日は2023年12月9日。マーカーの大きさはデータ取得時の視聴回数に対応する。` ], { frameAnchor: "top-right", fontSize: 10, fontFamily: "Noto Sans JP, sans-serif", // Noto Sans JP Bold を指定 fontWeight: "300", fill: "gray", dy: 5 } ), Plot.text( [`YouTubeにおける\nOfficial髭男dism「Subtitle」\n関連動画投稿数の推移`], { frameAnchor: "top", fontSize: 50, fontFamily: "Noto Sans JP, sans-serif", // Noto Sans JP Bold を指定 fontWeight: "700", fill: "deeppink", dy: 30, lineHeight: 1.1 } ), Plot.frame({ anchor: "bottom" }), Plot.image( presidents, Plot.dodgeY({ anchor: "bottom", x: "release_date", r: (datum) => Math.sqrt(datum.views) * 2, // viewsの平方根に比例してrを大きくする preserveAspectRatio: "xMidYMin slice", // try not to clip heads src: "thumbnail", // title: "title", tip: true, title: (d) => { const date = new Date(d.release_date); const formattedDate = `${date.getFullYear()}-${(date.getMonth() + 1) .toString() .padStart(2, "0")}-${date.getDate().toString().padStart(2, "0")}`; return `タイトル: ${ d.title }\n視聴回数: ${d.views.toLocaleString()}\nリリース日: ${formattedDate}`; } }) ) ] })4a:T718,// データを定義 chart = { var data = presidents; // SVG要素の幅と高さを定義 var width = 1200; var height = 600; // SVG要素を作成 var svg = d3 .select(DOM.svg(width, height)) .style("background", "rgb(250, 245, 240)"); // グラフタイトルを追加 svg .append("text") .attr("x", width / 2) .attr("y", 30) .attr("text-anchor", "middle") .text("YouTubeにおけるYOASOBI「アイドル」関連動画の視聴回数"); // データをバインドして画像要素を作成 var images = svg .selectAll("image") .data(data) .enter() .append("image") .attr("xlink:href", function (d) { return d.thumbnail; }) .attr("width", function (d) { return Math.sqrt(d.views) * 2; }) .attr("height", function (d) { return Math.sqrt(d.views) * 2; }) .attr("preserveAspectRatio", "xMidYMin slice") .attr("x", function (d) { return d.release_date; }) .attr("y", height - 30); 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