![]() ![]() Let’s open iris_stata.pdf in a text editor: PDF is a vector format (although it can have embedded rasters) but isn’t human-readable. If you re-scale it (and of course, web browsers on other people’s computers do that all the time no matter what you tell them to do) then you get fuzz where it has to combine or interpolate pixels.Īdvantage two: you can read it, and edit it. bmp, which tells the computer that this pixel is blue and that pixel is red and so on. The alternative is raster graphics, like. Vector graphics are a series of instructions to the computer: put a line here and a circle there, etc. I’m going to use scatterplots throughout of Ronald Fisher’s classic iris data, sepal width vs sepal length.Īdvantage one: it’s a vector format, so you can rescale it and it doesn’t get fuzzy or pixelated. ![]() But there’s good SVG and not so good SVG, and I want to explore that a little here, while also hopefully winning over some new SVG fans. If there could only be one file format to save your charts in, it should be SVG.
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