transition of bar chart
This interactive bar chart compares the proportions of different age brackets across U.S. states, using a dropdown menu to switch between age groups. Built with D3 v4 and rendered as SVG, the visualization animates horizontal bars as the selected age bracket changes, with bars transitioning vertically, resizing horizontally, and labels and value texts updating smoothly. The chart is based on data from a CSV file, normalizing each state's population by age bracket to percentages, and displays the top 10 states for the selected age group. Interactivity includes a dropdown menu and a keyboard modifier (Alt) to control animation speed, with a default auto-advance after 5 seconds.
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forked from <a href='http://bl.ocks.org/highcold/'>highcold</a>'s block: <a href='http://bl.ocks.org/highcold/1f7290cc8ab6dde169bc748b4450fcdb'>transition of bar chart</a>