2844 search results for "ggplot2"

Spearman Correlation Heat Map with Correlation Coefficients and Significance Levels in R

February 2, 2015
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Spearman Correlation Heat Map with Correlation Coefficients and Significance Levels in R

Figure 1: Spearman correlation heat map with correlation coefficient and significance levels based on the mtcars data set.In a recent paper we included data from a survey we conducted. During the publication process, one of the reviewers asked for a...

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Should you teach Python or R for data science?

February 2, 2015
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Last week, I published a post titled Lessons learned from teaching an 11-week data science course, detailing my experiences and recommendations from teaching General Assembly's 66-hour introductory data science course. In the comments, I received the ...

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What kind of programmer are you? Stack Exchange can predict it, Shiny can graph it

February 1, 2015
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What kind of programmer are you? Stack Exchange can predict it, Shiny can graph it

I was impressed by Stack Exchange’s recent announcement of their machine learning system, Providence, that guesses what kind of programmer you are based on your Stack Overflow traffic. Stack Exchange uses this to choose what questions to show you on their homepage and to recommend jobs to you in their Careers ads. One admirable feature is that...

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New release (0.7) of metricsgraphics htmlwidget — grids & rollovers

February 1, 2015
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I’ve updated my metricsgraphics package to version 0.7. The core MetricsGraphics JavaScript library has been updated to version 2.1.0 (from 1.1.0). Two blog-worthy features since releasing version 0.5 are mjs_grid (which is a grid.arrange-like equivalent for metricsgraphics plots and mjs_add_rollover which lets you add your own custom rollover text to the plots. The Grid The

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Unemployment

February 1, 2015
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Unemployment

Beginning 2013 I made a post plotting unemployment in Europe. Last year I did the same. Now that the unemployment numbers of December are on Eurostat, I am making them again. The plots shown are unemployment and its first derivative, both smoothed.You ...

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How e Can Help You To Find The Love Of Your Life

January 30, 2015
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How e Can Help You To Find The Love Of Your Life

Match.com will bring more love to the planet than anything since Jesus Christ (Gary Kremen, founder of Match.com) Charlie is a brilliant 39 years old mathematician living in Massachusetts. He lives alone and has dedicated his whole life to study. He has realized lately that theorems and books no longer satisfy him. Charlie has realized that … Continue reading...

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Turning R into a GIS – Mapping the weather in Germany

January 29, 2015
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Turning R into a GIS – Mapping the weather in Germany

Nothing has gotten more attention in the visualization world like the map-based insights, or in other words, just plotting on a map different KPIs to allow for a playful discovery experience. I must admit,...

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Why you should learn R first for data science

January 26, 2015
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Why you should learn R first for data science

Over and over, when talking with people who are starting to learn data science, there’s a frustration that comes up: I don’t know which programming language to start with.” And it’s not just programming languages, it’s also software systems like Tableau, SPSS, etc. There is an ever widening range of tools and programming languages and The post

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Presidential Approval and Applause

January 26, 2015
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Presidential Approval and Applause

Some may have seen a twitter post about spurious correlations that myself and others mentioned on twitter.  Basically this was a joke about how correlation can be found in many things that certainly have no influence over each other.  I ...

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Docker and Enabling Analytic Workflows

January 26, 2015
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By Mark Sellors – Senior IT Consultant, UK It’s been a few months now since I presented on the ways in which Mango are using Docker at EARL 2014 and a lot’s happened since then, so I thought I take … Continue reading →

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