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Most Starred R Packages on GitHub

Most Starred R Packages on GitHub

It seems like all the best R packages proudly use GitHub and have a README adorned with badges across the top. The recent Microsoft acquisition of GitHub got me wondering: What proportion of current R packages use GitHub? Or at least refer to it in the URL of the package description. Also, what is the relationship between the number...

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Delayed Future(Slides from eRum 2018)

June 17, 2018
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Delayed Future(Slides from eRum 2018)

As promised - though a bit delayed - below are links to my slides and the video of my talk on Future: Parallel & Distributed Processing in R for Everyone that I presented last month at the eRum 2018 conference in Budapest, Hungary (May 14-16, 2...

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How Much Money Should Machines Earn?

June 17, 2018
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Every inch of sky’s got a star Every inch of skin’s got a scar (Everything Now, Arcade Fire) I think that a very good way to start with R is doing an interactive visualization of some open data because you will train many important skills of a data scientist: loading, cleaning, transforming and combinig data … Continue reading How...

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Version 0.6-11 of NIMBLE released

June 16, 2018
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Version 0.6-11 of NIMBLE released

We’ve released the newest version of NIMBLE on CRAN and on our website. Version 0.6-11 has important new features, notably support for Bayesian nonparametric mixture modeling, and more are on the way in the next few months. New features include: support for Bayesian nonparametric mixture modeling using Dirichlet process mixtures, with specialized MCMC samplers automatically

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Prediction Interval, the wider sister of Confidence Interval

June 15, 2018
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Prediction Interval, the wider sister of Confidence Interval

In this post, I will illustrate the use of prediction intervals for the comparison of measurement methods. In the example, a new spectral method for measuring whole blood hemoglobin is compared with a reference method. But first, let's start with discussing the large difference between a confidence interval and a prediction interval. Prediction interval versus Related PostSix Sigma DMAIC...

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Interpreting machine learning models with the lime package for R

June 15, 2018
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Interpreting machine learning models with the lime package for R

Many types of machine learning classifiers, not least commonly-used techniques like ensemble models and neural networks, are notoriously difficult to interpret. If the model produces a surprising label for any given case, it's difficult to answer the question, "why that label, and not one of the others?". One approach to this dilemma is the technique known as LIME (Local...

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R Tip: Be Wary of “…”

June 15, 2018
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R Tip: be wary of “...“. The following code example contains an easy error in using the R function unique(). vec1

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Why your S3 method isn’t working

June 15, 2018
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Throughout the last years I noticed the following happening with a number of people. One of those people was actually yours truely a few years back. Person is aware of S3 methods in R through regular use of print, plot and summary functions and decides to give it a go in own work. Creates a function that assigns a...

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Creating Custom Plotly Charts on Datazar

June 15, 2018
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Creating Custom Plotly Charts on Datazar

Have you ever wondered how you create or use Plotly (plotly.js) on Datazar? No? Well here it is anyway.Datazar’s live chart editor allows you to create custom D3js charts with a JavaScript and CSS editor. Using the DatazarJS library, you can call your datasets without having to worry about file paths or URLs; simply do Datazar.dataset('someDataset.csv',()=__{}).Is your data being automatically...

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How to create a Flexdashboard: Exercises

June 15, 2018
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INTRODUCTION With flexdashboard, you can easily create interactive dashboards for R. What is amazing about it is that with R Markdown, you can publish a group of related data visualizations as a dashboard. Additionally, it supports a wide variety of components, including htmlwidgets; base, lattice, and grid graphics; tabular data; gauges and value boxes and Related exercise sets:Building Shiny...

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