Effectively scaling Shiny in enterprise

June 18, 2018
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Effectively scaling Shiny in enterprise

...

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Not only LIME

June 18, 2018
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Not only LIME

I’ve heard about a number of consulting companies, that decided to use simple linear model instead of a black box model with higher performance, because ,,client wants to understand...

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bounceR 0.1.2: Automated Feature Selection

June 18, 2018
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bounceR 0.1.2: Automated Feature Selection

New Features As promised, we kept on working on our bounceR package. For once, we changed the interface: users now do not have to choose a number of tuning...

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Sketchnotes from TWiML&AI: Practical Deep Learning with Rachel Thomas

June 17, 2018
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Sketchnotes from TWiML&AI: Practical Deep Learning with Rachel Thomas

These are my sketchnotes for Sam Charrington’s podcast This Week in Machine Learning and AI about Practical Deep Learning with Rachel Thomas: Sketchnotes from TWiMLAI talk: Practical Deep Learning with...

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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Build httr Functions Automagically from Manual Browser Requests with the middlechild Package

June 15, 2018
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You can catch a bit of the @rOpenSci 2018 Unconference experience at home w with this short-ish ‘splainer video on how to use the new middlechild package (https://github.com/ropenscilabs/middlechild) &...

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Spreadsheet Data Manipulation in R

June 15, 2018
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Today I decided to create a new repository on GitHub where I am sharing code to do spreadsheet data manipulation in R.The first version of the repository and R...

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It’s that easy! Image classification with keras in roughly 100 lines of code.

June 14, 2018
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It’s that easy! Image classification with keras in roughly 100 lines of code.

I’ve been using keras and TensorFlow for a while now - and love its simplicity and straight-forward way to modeling. As part of the latest update to my Workshop...

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Working with Your Facebook Data in R

June 14, 2018
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Working with Your Facebook Data in R

How to Read in and Clean Your Facebook Data - I recently learned that you can download all of your Facebook data, so I decided to check...

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Quantile Regression (home made)

June 14, 2018
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Quantile Regression (home made)

After my series of post on classification algorithms, it’s time to get back to R codes, this time for quantile regression. Yes, I still want to get a better...

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Detecting unconscious bias in models, with R

June 14, 2018
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Detecting unconscious bias in models, with R

There's growing awareness that the data we collect, and in particular the variables we include as factors in our predictive models, can lead to unwanted bias in outcomes: from...

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Mixed Models with Adaptive Gaussian Quadrature

June 14, 2018
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Mixed Models with Adaptive Gaussian Quadrature

OverviewIn this post, I would like to introduce my new R package GLMMadaptive for fitting mixed-effects models for non-Gaussian grouped/clustered outcomes using marginal maximum likelihood.Admittedly, there is a number...

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Minor updates for ggseas and Tcomp R packages by @ellis2013nz

Minor updates for ggseas and Tcomp R packages by @ellis2013nz

Updates I’ve made small updates to two of my R packages on CRAN: ggseas (seasonal adjustment on the fly for ggplot2 graphics) and Tcomp (tourism forecasting competition data). Neither...

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reticulate – another step towards a multilingual and collaborative way of working

June 14, 2018
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reticulate – another step towards a multilingual and collaborative way of working

R, Julia, Python – todays data scientists have the choice between numerous different programming languages, each with their own strengths and weaknesses. Would it not be convenient to bring...

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R community update: announcing New Delhi useR meetup group

June 14, 2018
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R community update: announcing New Delhi useR meetup group

“The way to change the world is through individual responsibility and taking local action in your own community.” – Jeff Bridges Over the past few years, R’s adoption has...

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A Comparative Review of the Deducer GUI for R

June 13, 2018
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A Comparative Review of the Deducer GUI for R

Introduction Deducer is a free and open source Graphical User Interface for the R software, one that provides beginners a way to point-and-click their way through analyses. It also...

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Using R with Emacs and ESS

June 13, 2018
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Using R with Emacs and ESS

Emacs is the swiss-army chainsaw of software, the ultimate killer app. This article explains the basics of using R with Emacs and ESS. Continue reading → The post Using R...

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Player Data for the 2018 FIFA World Cup

June 13, 2018
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Player Data for the 2018 FIFA World Cup

The World Cup starts today! The tournament which runs from June 14 through July 15 is probably the most popular sporting event in the world. if you are a...

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Animating mode variability with tidyverse and tweenr

June 13, 2018
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Animating mode variability with tidyverse and tweenr

Provided different probability distributions, animate independent sample distributions to demonstrate mode variability. There is a thorough code description with some subtle tips and tricks. ...

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Exploring European attitudes and behaviours using the European Social Survey

Exploring European attitudes and behaviours using the European Social Survey

Introduction I never thought that I’d be programming software in my career. I started using R a little over 2 years now and it’s been one of the most important decisions in...

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Announcing another slopegraph plotting function – June 14, 2018

June 13, 2018
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Announcing another slopegraph plotting function – June 14, 2018

A couple of weeks ago I wrote a blog post about slopegraphs. There was some polite interest and it was a good chance to practice my functional programming skills...

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Retracing Prenatal Testing Algorithms

June 13, 2018
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Retracing Prenatal Testing Algorithms

Abstract A good understanding of the statistical procedure used to calculate trisomy 21 (Down syndrome) risk in combined first trimester screening is a precondition for taking an informed decision on...

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