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Data Visualization with JavaScript by Stephen A. Thomas

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Chapter 8. Managing Data in the Browser

So far in the book, we’ve looked at a lot of visual ization tools and techniques, but we haven’t spent much time considering the data part of data visualization. The emphasis on visualization is appropriate in many cases. Especially if the data is static, we can take all the time we need to clean and organize it before it’s even represented in JavaScript. But what if the data is dynamic and we have no choice but to import the raw source directly into our JavaScript application? We have much less control over data from third-party REST APIs, Google Docs spreadsheets, or automatically generated CSV files. With those types of data sources, we often need to validate, reformat, recalculate, or otherwise manipulate ...

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