Week 9: IMDB Top 250 Movies Movie Bubble Chart: Movie Runtime Trends Over Time
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XXiaojun
Last edited Oct 21, 2025
Created on Oct 21, 2025
This bubble chart displays the relationship between the release year and runtime of the top 250 IMDB movies, with each bubble’s size representing its rating and its color indicating a simplified genre. The visualization reveals a general trend of increasing movie runtimes over time. It uses a React frontend with d3.v7’s `scaleLinear`, `scaleOrdinal`, and `axisBottom` to map data. Data is preprocessed from a CSV file, with runtimes parsed from strings like “2h 22m” into minutes. The genre legend allows interactive highlighting, filtering bubbles by genre on click or hover.
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