3031 search results for "TwitteR"

Who were the notable dead of Wikipedia?

February 11, 2017
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Who were the notable dead of Wikipedia?

As described in my last post, I extracted all notable deaths from Wikipedia over the 2004-2016 period. In this post I want to explore this study population. Who were the notable dead? How old were notable dead? Let me assume here most entries of th...

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Visualizing and wrangling MCMC output in R with `MCMCvis`

February 10, 2017
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Visualizing and wrangling MCMC output in R with `MCMCvis`

Model results can be thought of as a reward for the many hours of model design, troubleshooting, re-design, etc. that analyses often require. Following the potentially exhausting mental exercise to acquire these results, I think we’d all like the interpretation … Continue reading →

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Poor Donald – his tweets keep getting more negative

February 10, 2017
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Poor Donald – his tweets keep getting more negative

Last summer, David Robinson did this interesting text analysis of Donald Trump’s tweets and found that they more angry ones came from Android (which Trump is known to use). But he didn’t consider how Trump’s emotional state varies over time and he certainly couldn’t have...

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Diving Into Dynamic Website Content with splashr

February 9, 2017
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Diving Into Dynamic Website Content with splashr

If you do enough web scraping, you’ll eventually hit a wall that the trusty httr verbs (that sit beneath rvest) cannot really overcome: dynamically created content (via javascript) on a site. If the site was nice enough to use XHR requests to load the dynamic content, you can generally still stick with httr verbs —... Continue reading...

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Emily Robinson, from Social Scientist to Data Scientist

February 7, 2017
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Emily Robinson, from Social Scientist to Data Scientist

Maëlle Salmon, a Forwards collaborator, got the chance to interview Emily Robinson, who recently became a data analyst at Etsy. A very inspiring R-Lady! Hi, Emily! Thanks for letting us interview you! You studied Decision Sciences at Rice University and then graduated from INSEAD with a Master’s degree in Management (specialization in Organizational Behavior). What are those fields? How...

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In case you missed it: January 2017 roundup

February 6, 2017
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In case you missed them, here are some articles from January of particular interest to R users. The Data Science Virtual Machine on Azure has been updated with the latest Microsoft R Server, and adds RStudio and JuliaPro. A crowdsourced list of local R user groups and community events, maintained by Colin Gillespie. Resources for searching R packages, now...

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Hyetographs, hydrographs and highcharter

February 6, 2017
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Hyetographs, hydrographs and highcharter

Dual y-axes: yes or no? What about if one of them is also reversed, i.e. values increase from the top of the chart to the bottom? Judging by this StackOverflow question, hydrologists are fond of both of these things. It asks whether ggplot2 can be used to generate a “rainfall hyetograph and streamflow hydrograph”, which … Continue...

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With our powers combined! xgboost and pipelearner

February 6, 2017
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With our powers combined! xgboost and pipelearner

@drsimonj here to show you how to use xgboost (extreme gradient boosting) models in pipelearner.  Why a post on xgboost and pipelearner? xgboost is one of the most powerful machine-learning libraries, so there’s a good reason to use it. pipelearner helps to create machine-learning pipelines that make it easy to do cross-fold validation, hyperparameter grid searching, and more....

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Male mortality in Russia and Japan

February 5, 2017
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Male mortality in Russia and Japan

Russia is sadly notorious for its ridiculously high adult male mortality. According to Human Mortality Database data (2010), the probability for a Russian men to survive from 20 to 60 was just 0.64 1. For women the probability is 0.87. This huge gender disproportion in mortality results in a peculiar sex ratio profile (see my old DemoTrends post and...

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The animals of #actuallivingscientists

February 4, 2017
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The animals of #actuallivingscientists

These last days a trending Twitter hashtag was “#actuallivingscientist”, whose origin can be find in this convo and whose original goal was to allow scientists to present themselves to everyone, a sort of #scicomm action. A great initiative, becaus...

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