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Dion Research LLC
an Analytics, Data Science and Visualization Company, founded 2011 Creators of subscribe to our blog: or
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Dion Research LLC Oct 5
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Francois Dion Sep 11
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Francois Dion Jul 27
If you've started using Python 3.8: - did you know about the walrus operator? ( := aka assignment expressions or pep 572) - how often do you use it? - what do you think of it? I'm actually growing fond of it, after doubting it in…
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Francois Dion Aug 8
50 years ago, John Tukey introduced Exploratory Data Analysis. Imagine walking into his classroom in 1970 to witness history in the making: beyond his philosophy of EDA, he introduced several plots, including the box plot, one of the most popular statisti…
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stemgraphic Aug 6
Check out this video tutorial on stem_graphic (the classic stem-and-leaf plot revisited)
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Michael Babwahsingh Jul 30
😍 For all the designers who've ever toiled away at specs and style guides like this (i.e. financial research report templates, investment statements, etc)
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Dion Research LLC Jul 30
Even if you go with branded colors, you can still make it work. Here, the Dion Research cyan (not pure cyan) is combined with the complementary color to form a diverging palette (or a continuous scale). We do this programmatically, so there is no need to manually design palettes
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Francois Dion Jul 30
According to the Laboratory Handbook of Statistical Methods (1931), we do charts or tables. But in fact, it is not an exclusive or. We can do both at the same time. and there are also semi-graphical displays, such as ()
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Dion Research LLC Jul 26
Replying to @DionResearchLLC
The main enhancement is that the charts can be rendered as static or interactive plots. Here is an example (well, a screenshot of the interactive chart)
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Dion Research LLC Jul 26
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Dion Research LLC Jul 25
The Dion Research Blog: The 10 colors of Pi (visualizations for the color impaired ...
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Dion Research LLC Jul 11
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Dion Research LLC Jul 8
Answering some requests from LinkedIn to post about Windows analytics tools New on The Dion Research Blog: Analytics tools for Windows
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Dion Research LLC Jul 8
Answering some requests from LinkedIn to post about Windows analytics tools New on The Dion Research Blog: Analytics tools for Windows
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Francois Dion Jun 30
Had this in a box: It's a physical representation of the decision boundary of a sigmoid neuron. It has shrunk a bit over the years... haven't used it since a presentation I did on neurons
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Francois Dion 28 Mar 19
Replying to @stemgraphic
The unicode charset support is also pretty handy to have, say, "bold" text. Even in a terminal. Simply add charset="bold" to the call (heatmap in this example with zipcodes).
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Dion Research LLC Jun 23
New post on the Dion Research Blog: Multivariate control charts in Hotelling v0.3:
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PyData Triangle Jun 22
July 1 meetup - online 6 PM - 8:30 PM Featuring: Susan Eversole, MS, PMP and Gregory Herschlag, PhD Topics: * Susan: Data Governance * Gregory: Gerrymandering RSVP by noon on 7/1
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