Data Video Turn a dataset into a chart that moves with intent: a bar chart race, a growing line, a count-up stat. The craft is mapping numbers to pixels every frame, easing the value (not just the opacity), and pacing the data so a viewer can actually read it. When to use - Bar chart race / ranking-over-time (the headline use case). - Animated line/area reveal, animated counters and number tickers. - One chart design rendered across many datasets (template × CSV → N videos). The one rule that prevents 90% of bugs Drive every value from the current frame — never from wall-clock time or a libra…