```dataviewjs
const rawData = await dv.query('TABLE length(rows.file.name) FROM "" FLATTEN dateformat(file.ctime, "yyyy-MM-dd") AS D GROUP BY D SORT D');
const rows = rawData.value.values;
const chartData = {
    type: 'line',
    data: {
        labels: rows.map(x => x[0]),
        datasets: [{
            label: 'Notes per day',
            data: rows.map(x => x[1]),
            radius: 1,
            pointStyle: 'cross',
            backgroundColor: ['#bf6ee0'],
            borderWidth: 1,
            borderColor: ['#bf6ee0'],
            fill: false,
            stepped: true,
            }],
    },
}

window.renderChart(chartData, this.container);
```