Snakes in a Package: combining Python and R with reticulate

September 18, 2018
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Snakes in a Package: combining Python and R with reticulate

When I first started working as a data scientist (or something like it) I was told to program in C++ and Java. Then R came along and it was liberating, my ability to do data analysis increased substantially. As my applications grew in size and complexity, I started to miss the structure of Java/C++. At the time, Python felt...

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Case Study: How To Build A High Performance Data Science Team

September 18, 2018
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Case Study: How To Build A High Performance Data Science Team

Artificial intelligence (AI) has the potential to change industries across the board, yet few organizations are able to capture its value and realize a real return-on-investment. The reality is...

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Dot-Pipe Paper Accepted by the R Journal!!!

September 17, 2018
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Dot-Pipe Paper Accepted by the R Journal!!!

We are thrilled to announce our (my and Nina Zumel’s) paper on the dot-pipe has been accepted by the R-Journal! A huge “thank you” to the reviewers and editors...

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Machine Learning for Insurance Claims

September 17, 2018
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Machine Learning for Insurance Claims

We are pleased to announce a new demo Shiny application that uses machine learning to predict annual payments on individual insurance claims for 10 years into the future. This post...

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Building Reproducible Data Packages with DataPackageR

Building Reproducible Data Packages with DataPackageR

Sharing data sets for collaboration or publication has always been challenging, but it’s become increasingly problematic as complex and high dimensional data sets have become ubiquitous in the life...

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Access the Internet Archive Advanced Search/Scrape API with wayback (+ a links to a new vignette & pkgdown site)

September 17, 2018
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Access the Internet Archive Advanced Search/Scrape API with wayback (+ a links to a new vignette & pkgdown site)

The wayback🔗 package has had an update to more efficiently retrieve mementos and added support for working with the Internet Archive’s advanced search+scrape API. Search/Scrape The search/scrape interface lets...

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Principal Component Momentum?

September 17, 2018
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Principal Component Momentum?

This post will investigate using Principal Components as part of a momentum strategy. Recently, I ran across a post from … Continue reading →

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Break Down: model explanations with interactions and DALEX in the BayArea

September 17, 2018
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Break Down: model explanations with interactions and DALEX in the BayArea

The breakDown package explains predictions from black-box models, such as random forest, xgboost, svm or neural networks (it works for lm and glm as well). As a result you...

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3D Correspondence Analysis Plots in R Using Plotly

September 17, 2018
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Back in the “olden days” of the 1970s it was apparently not unknown for statisticians to create 3D visualizations using tinkertoys. For some inexplicable reason, the advent...

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Becoming a Data Scientist (Transcript)

September 17, 2018
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Becoming a Data Scientist (Transcript)

Here is a link to the podcast. Introducing Renée Teate Hugo: Hi there, Renée, and welcome to DataFramed. Renée: Hi Hugo. Great to be here. Hugo: ...

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Data visualization with statistical reasoning: seeing uncertainty with the bootstrap

September 17, 2018
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Data visualization with statistical reasoning: seeing uncertainty with the bootstrap

This blog post is one of a series highlighting specific images from my book Data Visualization: charts, maps and interactive … More

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Step Up your Dashboard with shinydashboard: Exercises (Part-2)

September 17, 2018
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Step Up your Dashboard with shinydashboard: Exercises (Part-2)

The shinydashboard provides a well-designed dashboard theme for Shiny apps, and allows for an easy assembly of a dashboard from a couple of basic building blocks. The package is...

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Why Vectorize?

September 16, 2018
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In the post (https://statcompute.wordpress.com/2018/09/15/how-to-avoid-for-loop-in-r), I briefly introduced the idea of vectorization and potential use cases. One might be wondering why we even need the Vectorize() function given the fact...

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I’ll be talking at the R-Ladies Meetup about Interpretable Deep Learning with R, Keras and LIME

September 16, 2018
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Today I am very happy to announce that during my stay in London for the m3 conference, I’ll also be giving a talk at the R-Ladies London Meetup on...

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How to create a sequential model in Keras for R

September 16, 2018
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How to create a sequential model in Keras for R

This tutorial will introduce the Deep Learning classification task with Keras. With focus on one-hot encoding, layer shapes, train & evaluate the model.How to create a sequential model in Keras...

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Data visualisation pitfalls: how to avoid barbarplots ?

September 16, 2018
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Data visualisation pitfalls: how to avoid barbarplots ?

You did an experiment or a survey, or you collected data, and you are ready to analyse them. But what is the first step? Everyone will tell you that...

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Parameterizing with bquote

September 16, 2018
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One thing that is sure to get lost in my long note on macros in R is just how concise and powerful macros are. The problem is macros are...

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Statistics Sunday: What Should I Read Next?

September 16, 2018
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When You Need a New Book to Read I log all of my books on Goodreads. On top of that, whenever I hear about a new book I...

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Streamtubes in Plotly with Python

September 15, 2018
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Streamtubes in Plotly with Python

🌟 Before we introduce this seriously cool visualization, we’d like to announce that plotly.py has surpassed 5 million downloads! Thank you for helping us reach this milestone! 🙌 Once Upon...

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Thunderstorm forecasting with GAMs

September 15, 2018
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Thunderstorm forecasting with GAMs

Boosted binary generalized additive models (GAMs) with stability selection and corresponding MCMC-based credibility intervals are discussed in a new MWR paper...

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On “Competition” in the R Ecosystem

September 15, 2018
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I’ve been thinking a bit on “competition” in the R ecosystem. I guess the closest I can come to a fair and coherent view on “competition” in the R...

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How to Avoid For Loop in R

September 15, 2018
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A FOR loop is the most intuitive way to apply an operation to a series by looping through each item one by one, which makes perfect sense logically but...

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Better R Code with wrapr Dot Arrow

September 15, 2018
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Our R package wrapr supplies a "piping operator" that we feel is a real improvement in R code piped-style coding. The idea is: with wrapr‘s "dot arrow" pipe "%.__%"...

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3 reasons to not write that new code, and how I failed at it.

September 15, 2018
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3 reasons to not write that new code, and how I failed at it.

Introduction We all know that feeling. We have this great idea about a new project, feature, function, piece of code. What do we want? Write that amazing new code! When...

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How many deaths were caused by the hurricane in Puerto Rico?

September 14, 2018
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How many deaths were caused by the hurricane in Puerto Rico?

President Trump is once again causing distress by downplaying the number of deaths caused by Hurricane Maria's devastation of Puerto Rico last year. Official estimates initially put the death...

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Interpretation of the AUC

September 13, 2018
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Interpretation of the AUC

The AUC* or concordance statistic c is the most commonly used measure for diagnostic accuracy of quantitative tests. It is a discrimination measure which tells us how well we...

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How Luxembourguish residents spend their time: a small {flexdashboard} demo using the Time use survey data

September 13, 2018
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How Luxembourguish residents spend their time: a small {flexdashboard} demo using the Time use survey data

In a previous blog post I have showed how you could use the {tidyxl} package to go from a human readable Excel Workbook to a tidy data set (or flat file,...

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Deadline extended for rstudio::conf(2019) abstract submissions

September 13, 2018
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rstudio::conf, the conference on all things R and RStudio, will take place January 17 and 18, 2019 in Austin, Texas, preceded by Training Days on January 15 and 16. We’ve...

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Gold-Mining Week 2 (2018)

September 13, 2018
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Week 2 Gold Mining and Fantasy Football Projection Roundup now available. Go get that free agent gold! The post Gold-Mining Week 2 (2018) appeared first on Fantasy Football Analytics.

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