How to add Trend Lines to Visualizations in Displayr

July 17, 2018
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How to add Trend Lines to Visualizations in Displayr

In Displayr, Visualizations of chart type Column, Bar, Area, Line and Scatter all support trend lines.  Trend lines can be  linear or non-parametric (cubic spline,...

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Clean Your Data in Seconds with This R Function

July 17, 2018
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All data needs to be clean before you can explore and create models. Common sense, right. Cleaning data can be tedious but I created a function that will help....

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pinp 0.0.6: Two new options

July 17, 2018
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pinp 0.0.6: Two new options

A small feature release of our pinp package for snazzier one or two column vignettes get onto CRAN a little earlier. It offers two new options. Saghir Bashir addressed...

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10 Jobs for R users from around the world (2018-07-17)

July 17, 2018
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10 Jobs for R users from around the world (2018-07-17)

To post your R job on the next post Just visit  this link and post a new R job  to the R community. You can post a job for  free  (and there are...

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Using leaflet, just because

July 17, 2018
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Using leaflet, just because

I love it when researchers take the time to share their knowledge of the computational tools that they use. So first, let me point you at Environmental Computing, a...

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What’s inside? pkginspector provides helpful tools for inspecting package contents

What’s inside? pkginspector provides helpful tools for inspecting package contents

R packages are widely used in science, yet the code behind them often does not come under scrutiny. To address this lack, rOpenSci has been a pioneer in developing...

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A quick #WorldEmojiDay exploration

July 16, 2018
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Let’s celebrate #WorldEmojiDay with a quick exploration of my own twitter account. The 📦 We’ll need: From Github {emo} remote::install_github("hadley/emo") From CRAN {dplyr} {tidyr} {rtweet} {tidytext} Note: This page...

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Hamiltonian tails

July 16, 2018
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Hamiltonian tails

“We demonstrate HMC’s sensitivity to these parameters by sampling from a bivariate Gaussian with correlation coefficient 0.99. We consider three settings (ε,L) = {(0.16; 40); (0.16; 50); (0.15; 50)}”...

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Continuous deployment of package documentation with pkgdown and Travis CI

July 16, 2018
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Continuous deployment of package documentation with pkgdown and Travis CI

The problem pkgdown is an R package that can create a beautifully looking website for your own R package. Built and maintained by Hadley Wickham and his gang of prolific...

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New Course Content: DS4B 201 Chapter 7, The Expected Value Framework For Modeling Churn With H2O

New Course Content: DS4B 201 Chapter 7, The Expected Value Framework For Modeling Churn With H2O

I’m pleased to announce that we released brand new content for our flagship course, Data Science For Business (DS4B 201). The latest content is focused on transitioning from modeling...

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Twitter coverage of the useR! 2018 conference

July 16, 2018
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Twitter coverage of the useR! 2018 conference

In summary: useR! the conference for users of R was held in Brisbane earlier this month it sounded like a lot of fun and here’s an analysis of tweets...

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Smoothing Time Series Data

July 15, 2018
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Smoothing Time Series Data

These include both global methods, which involve fitting a regression over the whole time series; and more flexible local methods, where we relax the constraint...

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Get on your soapbox! R blog content and promotion

This year I had the chance to speak at two R-Ladies meetups (I might have invited myself to those meetups to make the most of being in town, create...

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Customizing styler – the quick way

July 15, 2018
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I am currently experiencing problems with getting my posts in full length on r-bloggers. You can continue here with reading in case only the first paragraph is rendered. One cool thing that...

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Sleek & Shiny

July 15, 2018
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Sleek & Shiny

I was trying to find an apt image to accompany this post, but googling “sleek and shiny” mostly brought up images of women with ridiculously, well, sleek and shiny...

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RcppClassic 0.9.11

July 15, 2018
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A new maintenance release, now at version 0.9.11, of the RcppClassic package arrived earlier today on CRAN. This package provides a maintained version of the otherwise deprecated initial...

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Six Sigma DMAIC Series in R – Part 3

July 15, 2018
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Six Sigma DMAIC Series in R – Part 3

Hope you liked the Part 1 and Part 2 of this Series. In this Part 3, we will go through the tools used during the analyze phase of Six...

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A thought experiment: How CRAN saved 3,620 (working) lives

July 15, 2018
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Given the vast amount of R packages available today, it makes sense (at least to me, as a trained economist) to ask a simple yet difficult question: How much...

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Alleviating AWS Athena Aggravation with Asynchronous Assistance

July 14, 2018
By

I’ve blogged about how to use Amazon Athena with R before and if you are a regular Athena user, you’ve likely run into a situation where you prepare a...

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[Web2Day] Producing web content with R

July 13, 2018
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[Web2Day] Producing web content with R

Earlier this week, my talk at the Web2Day conference was put online. Here is an english summary for those who don’t understand french :) Disclaimer: this talk has been...

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Why I rarely use apply

July 13, 2018
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Why I rarely use apply

In this short post, I talk about why I’m moving away from using function apply. With matrices It’s okay to use apply with a dense matrix, although you can...

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Seasonal decomposition of short time series

July 13, 2018
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Many users have tried to do a seasonal decomposition with a short time series, and hit the error “Series has less than two periods”. The problem is that the usual...

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Variable vs. Participant-wise Standardization

July 13, 2018
By
Variable vs. Participant-wise Standardization

The data Standardize Effect of Standardization At a general level At a participant level ...

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From Data to Viz | Find the graphic you need

July 13, 2018
By
From Data to Viz | Find the graphic you need

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Stencila – an office suite for reproducible research

July 13, 2018
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Stencila – an office suite for reproducible research

Stencila launches the first version of its (open source) word processor and spreadsheet editor designed for researchers. By Michael Aufreiter, Substance, and Aleksandra Pawlik and Nokome Bentley, Stencila Stencila...

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Is GINA really about to die?!?

July 13, 2018
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Is GINA really about to die?!?

Introduction During a recent negotiation of an informed consent form for use in a clinical trial, the opposing lawyer and I skirmished over the applicability of the Genetic Information...

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Introducing the Kernelheaping Package II

July 13, 2018
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Introducing the Kernelheaping Package II

In the first part of Introducing the Kernelheaping Package I showed how to compute and plot kernel density estimates on rounded or interval censored data using the Kernelheaping package....

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Using Machine Learning for Causal Inference

July 13, 2018
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Using Machine Learning for Causal Inference

Machine Learning (ML) is still an underdog in the field of economics. However, it gets more and more recognition in the recent years. One reason for being an underdog...

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Variational Gaussian Mixtures for Face Detection

July 12, 2018
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Variational Gaussian Mixtures for Face Detection

Mixture model A Gaussian mixture model is a probabilistic way of representing subpopulations within an overall population. We only observe the data, not the subpopulation from which observation belongs. We have $N$ random...

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