Three R Shiny tricks to make your Shiny app shines (3/3): Buttons to delete, edit and compare Datatable rows

March 1, 2017
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Three R Shiny tricks to make your Shiny app shines (3/3): Buttons to delete, edit and compare Datatable rows

In this tutorials sequence, we are going to see three tricks to do the following in a Shiny app: Add Next and Previous buttons to navigate in a tabBox Build a non completely collapsible sidebar to keep the icon visible on collapse Add button on a datatable output to delete/modify/ do an action on a

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R-Lab #1: hands on R code! | Milan, March 14th

March 1, 2017
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R-Lab #1: hands on R code! | Milan, March 14th

Great news for the MilanoR community: we are launching R-Lab, a monthly R project of co-working with R on real data science projects. Either if you are an R expert,...

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R Quick tip: Microsoft Cognitive Services’ Text Analytics API

March 1, 2017
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R Quick tip: Microsoft Cognitive Services’ Text Analytics API

Today in class, I taught some fundamentals of API consumption in R. As it was aligned to some Microsoft content, we first used HaveIBeenPwned.com‘s API and then played with...

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ccafs – client for CCAFS General Circulation Models data

March 1, 2017
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ccafs – client for CCAFS General Circulation Models data

I've recently released the new package ccafs, which provides access to data from Climate Change, Agriculture and Food Security (CCAFS; http://ccafs-climate.org/) General Circulation Models (GCM) data. GCM's are a particular...

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Data Science Job Report 2017: R Passes SAS, But Python Leaves Them Both Behind

February 28, 2017
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Data Science Job Report 2017: R Passes SAS, But Python Leaves Them Both Behind

I’ve just updated another section of The Popularity of Data Science Software. It is reproduced below to save you the trouble of reading the entire article. If your organization is...

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Copying tables from R to Outlook

February 28, 2017
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Copying tables from R to Outlook

I work in an ecosystem that uses Outlook for e-mail. When I have to communicate results with collaborators one of the most frequent tasks I face is to take...

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testing R code [book review]

February 28, 2017
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testing R code [book review]

When I saw this title among the CRC Press novelties, I immediately ordered it as I though it fairly exciting. Now that I have gone through the book, the...

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A (much belated) update to plotting Kaplan-Meier curves in the tidyverse

February 28, 2017
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A (much belated) update to plotting Kaplan-Meier curves in the tidyverse

One of the most popular posts on this blog has been my attempt to create Kaplan-Meier plots with an aligned table of persons-at-risk below it under the ggplot paradigm....

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Playing with dimensions: from Clustering, PCA, t-SNE… to Carl Sagan!

February 28, 2017
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Playing with dimensions: from Clustering, PCA, t-SNE… to Carl Sagan!

Explore the intersection of concepts like dimension reduction, clustering, data preparation, PCA, HDBSCAN, k-NN, SOM, deep learning...and Carl Sagan!

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Forecasting gentrification in city neighborhoods, with R

February 28, 2017
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Forecasting gentrification in city neighborhoods, with R

If you've lived in a big city, you're likely familiar with the impact of gentrification. For longtime residents of a neighbourhood, it can represent a decline in the culture...

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How to create correlation network plots with corrr and ggraph (and which countries drink like Australia)

February 28, 2017
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How to create correlation network plots with corrr and ggraph (and which countries drink like Australia)

@drsimonj here to show you how to use ggraph and corrr to create correlation network plots like these:  ggraph and corrr The...

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forecast 8.0

February 28, 2017
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forecast 8.0

In what is now a roughly annual event, the forecast package has been updated on CRAN with a new version, this time 8.0. A few of the more important...

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Online R courses at Udemy for only $10 (only for Feb 28th)

February 28, 2017
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udemy-november-coupon-2015

Udemy is offering readers of R-bloggers access to its global online learning marketplace for only $10 per course! This deal (offering over 50%-90% discount) is for hundreds of their courses – including many R-Programming,...

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How to annotate a plot in ggplot2

February 28, 2017
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How to annotate a plot in ggplot2

After you master the basics of R and ggplot2, you need to learn the little details. A great example of this is plot annotation. Adding little details like plot annotations help...

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A glance at R-bloggers Twitter feed

February 27, 2017
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A glance at R-bloggers Twitter feed

It’s the second time I write a post about the blog aggregator R-bloggers, probably because I’m all about R blogs now that I have one. My husband says my...

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Make your R simulation models 20 times faster

February 27, 2017
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Make your R simulation models  20 times faster

Make your R simulation models 20 times faster R can be frustratingly slow if you use its loops. However, you can speed it up significantly (e.g. 20 times!) using the Rcpp...

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ggedit 0.1.1: Shiny module to interactvely edit ggplots within Shiny applications

February 27, 2017
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ggedit is a package that lets users interactively edit ggplot layer and theme aesthetics. In a previous post we showed you how to use it in a collaborative workflow...

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ggraph: ggplot for graphs

February 27, 2017
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ggraph: ggplot for graphs

A graph, a collection of nodes connected by edges, is just data. Whether it's a social network (where nodes are people, and edges are friend relationships), or a decision...

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Building deep neural nets with h2o and rsparkling that predict arrhythmia of the heart

February 27, 2017
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Building deep neural nets with h2o and rsparkling that predict arrhythmia of the heart

Last week, I introduced how to run machine learning applications on Spark from within R, using the sparklyr package. This week, I am showing how to build feed-forward deep...

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RSurvey

February 27, 2017
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RSurvey

Early in my science career I believed that any good piece of software included a graphical user interface (GUI). That was many years ago, and during that time I delved...

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Reinforcement Learning in R

February 27, 2017
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Reinforcement learning has gained considerable traction as it mines real experiences with the help of trial-and-error learning to model decision-making. Thus, this approach attempts to imitate the fundamental method...

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Announcing community R workshops

February 27, 2017
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A big part of why I’ve launched Locke Data is so that I can give back more to my communities. I want to give more time and more support...

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Live Presentation: My Talk at the CDC

February 27, 2017
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Live Presentation: My Talk at the CDC

Last Thursday I had the honor of giving a talk about my open source work to the CDC’s R Users Group. A big thank you... The post Live...

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Tree-based univariate testing

February 26, 2017
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Tree-based univariate testing

When building a predictive model it is a good idea to do a univariate analysis, before throwing the whole bunch in a complex algorithm. This way we get a...

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Video Introduction to Bayesian Data Analysis, Part 2: Why use Bayes?

February 26, 2017
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Video Introduction to Bayesian Data Analysis, Part 2: Why use Bayes?

This is video two of a three part introduction to Bayesian data analysis aimed at you who isn’t necessarily that well-versed in probability theory but that do know a...

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Iteration and closures in R

February 26, 2017
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Iteration and closures in R

I recently read an interesting thread on unexpected behavior in R when creating a list of functions in a loop or iteration. The issue is solved, but I am...

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hrbrthemes 0.1.0 is now on CRAN

February 26, 2017
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I’m pleased to announce the inaugural release of my hrbrthemes (0.1.0) package on CRAN The primary goal of said package is to provide opinionated typographical and other aesthetic defaults...

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March R Course Finder Update: Web Analysis, Data Mining and Advanced R

February 26, 2017
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March R Course Finder Update: Web Analysis, Data Mining and Advanced R

A few months ago we launched R Course Finder, an online directory that helps you to find the right R course quickly. With so many R courses available online,...

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Analysis of International T20 matches with yorkr templates

February 25, 2017
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Analysis of International T20 matches with yorkr templates

Introduction In this post I create yorkr templates for International T20 matches that are available on Cricsheet. With these templates you can convert all T20 data which is in...

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