This visualization shows the step counts for a single user across seven days of the week, using a series of scatter plots arranged on separate horizontal axes. Each point represents an hourly interval, with the x-axis showing the hour of the day and the size of the point scaled to the square root of the step count for that hour. The chart is built using the ECharts library, with each day’s data placed on its own `singleAxis` and rendered as a scatter series. The data is loaded from a local CSV file containing hourly step totals and intensity values.