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This is The Diary of a Mad Data Scientist, a brand new site by Richard Careaga that's just getting started. Things will be up and running here shortly, but you can subscribe in the meantime if you'd like to stay up to date and receive emails when new content is published!

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Excel to Julia: The Rosetta Stone

For when your spreadsheet starts to crawl, but you still need to get the job done. 1. The Basics: Data as a Thing In Excel, the data and the logic live in the same cell. In Julia, we keep them separate for speed and sanity. * Workbook/Sheet ≅ DataFrame * Column ≅:Symbol

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Using the forum at Julialang.org

The Julia language organization maintains an open, free forum where you can post questions to the helpful users under the New to Julia category. Especially if your question involves advanced scientific capabilities of the language, such as tensors, it will be invaluable. On the other hand … If you are an

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Age pyramids

The age pyramid is a useful tool in demographic analysis. It visualizes the relative proportion of population by sex and age cohort. The shape of the curve can indicate an excess of deaths over births and give an idea of the sufficiency of the working age population to support the

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Do It Yourself Bullseye Maps

Do It Yourself Bullseye Maps

Do It Yourself Bullseye Maps Bullseye maps are useful for orientation at the regional level. These are easy to assemble through the facilities of the Open Maps Project using the Leaflet API. Most of what this function does is to output HTML code with Javascript, which does the work. The

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