{"version":"1.0","type":"rich","title":"Bubble Matrix Chart V4","description":"This bubble matrix chart visualizes UK venture capital deal sizes by investment stage and year. Each circle’s radius encodes the deal value in pounds (from the provided data.tsv), with larger bubbles representing larger amounts. The rows are years (2007–2016) and the columns are deal types (Early Stage VC, Later Stage VC, Growth/Expansion, Seed, etc.), with a color scale distinguishing each type. Values are labeled inside the bubbles, and hovering or clicking a bubble highlights related circles. The chart uses D3 v4 with an SVG renderer, features smooth animations, and sorts the deal types within each row by value to make patterns easier to compare. A responsive helper keeps the visualization adaptive to container size. The design uses a clean white-on-light-gray palette with a distinct color for each deal type and a subtle axis-less grid. The data source is an anonymized gist by alandunning, licensed under MIT, and the code is built using Blockbuilder.org.\n\n\n\nYour task: Provide a concise and clear description of the example.\n\nUse these guidelines:\n\n- Focus on the structure and visual encoding. Emphasize the relationships and patterns that are made visible by the visualization.\n- Aim for 2-4 paragraphs.\n- Avoid mentioning the code, code internals, or specific file contents in the final description (e.g., don't say \"The code creates...\" or \"D3 loads the data...\").\n- When listing visual encodings, a simple list with short phrases is acceptable.\n- Do not repeat the data values from the dataset.\n- Do not mention the data values in the description. Instead, describe the chart's purpose, layout, and visual encodings. You can describe e.g. relative magnitudes.\n\nAlso: The description is for a gallery where the audience is not familiar with the data, so please write in plain, jargon-free language.\n\nYou can mention the title.\n\nThe goal is to give them a sense of how it looks and works. Mention one or two noteworthy things about the implementation.\n\nWrite in full sentences. Keep the entire description to one short paragraph.**Bubble Matrix Chart V4** is an interactive matrix visualization that displays deal types across multiple years, with each cell represented by a circle sized according to investment value and colored by deal category. The chart uses D3 v4 with SVG and animation, featuring a responsive layout that adapts to different screen sizes. Hovering or clicking on a circle highlights related data points, while the color-coded legend distinguishes between deal types such as Seed, Early Stage VC, and Growth/Expansion. The visualization effectively reveals trends and outliers—for example, the large Growth/Expansion values in 2014-2016 stand out prominently.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"","width":960,"height":500,"cache_age":3600}