Introducing Joyplots

July 26, 2017
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This is a joyplot: a series of histograms, density plots or time series for a number of data segments, all aligned to the same horizontal scale and presented with a slight overlap. Peak time for sports and leisure #dataviz. About time for a joyplot; might do a write-up on them. #rstats code at https://t.co/Q2AgW068Wa pic.twitter.com/SVT6pkB2hB — Henrik Lindberg (@hnrklndbrg)...

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ggplot2 – Easy way to mix multiple graphs on the same page

July 26, 2017
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ggplot2 – Easy way to mix multiple graphs on the same page

To arrange multiple ggplot2 graphs on the same page, the standard R functions - par() and layout() - cannot be used. The basic solution...

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thinking with data with "Modern Data Science with R"

July 26, 2017
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thinking with data with "Modern Data Science with R"

One of the biggest challenges educators face is how to teach statistical thinking integrated with data and computing skills to allow our students to fluidly think with data.  Contemporary data...

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Oh, the places you’ll go – mapping packages

July 26, 2017
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Oh, the places you’ll go – mapping packages

...

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June 2017 New Package Picks

July 25, 2017
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June 2017 New Package Picks

Two hundred and thirty-eight new packages were added to CRAN in June. Below are my picks for the “Top 40”, organized into six categories: Biostatistics, Data, Machine Learning, Miscellaneous,...

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Passing two SQL queries to sp_execute_external_script

July 25, 2017
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Passing two SQL queries to sp_execute_external_script

Recently, I got a question on one of my previous blog posts, if there is possibility to pass two queries in same run-time as an argument to external procedure...

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Effect Size Statistics for Anova Tables #rstats

July 25, 2017
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Effect Size Statistics for Anova Tables #rstats

My sjstats-package has been updated on CRAN. The past updates introduced new functions for various purposes, e.g. predictive accuracy of regression models or improved support for the marvelous glmmTMB-package....

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R⁶ — General (Attys) Distributions

July 25, 2017
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R⁶ — General (Attys) Distributions

Matt @stiles is a spiffy data journalist at the @latimes and he posted an interesting chart on U.S. Attorneys General longevity (given that the current US AG is on...

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SQL Server 2017 release candidate now available

July 25, 2017
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SQL Server 2017, the next major release of the SQL Server database, has been available as a community preview for around 8 months, but now the first full-featured release...

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Hacking statistics or: How I Learned to Stop Worrying About Calculus and Love Stats Exercises (Part-4)

July 25, 2017
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Hacking statistics or: How I Learned to Stop Worrying About Calculus and Love Stats Exercises (Part-4)

Statistics are often taught in school by and for people who like Mathematics. As a consequence, in those class emphasis is put on leaning equations, solving calculus problems and...

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Experiment designs for Agriculture

July 25, 2017
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This post is more for personal use than anything else. It is just a collection of code and functions to produce some of the most used experimental designs in...

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Twitter Coverage of the Bioinformatics Open Source Conference 2017

July 25, 2017
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Twitter Coverage of the Bioinformatics Open Source Conference 2017

July 21-22 saw the 18th incarnation of the Bioinformatics Open Source Conference, which generally precedes the ISMB meeting. I had the great pleasure of attending BOSC way back in...

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The new MODIStsp website (based on pkgdown) is online !

July 25, 2017
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The new MODIStsp website (based on pkgdown) is online !

The MODIStsp website, which lay abandoned since several months on github pages, recently underwent a major overhaul thanks to pkgdown. The new site is now available at http://lbusett.github.io/MODIStsp/ We hope that the...

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What are people saying about ICCB2017 on Twitter?

July 24, 2017
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What are people saying about ICCB2017 on Twitter?

What are people saying about International Congress for Conservation Biology 2017 on Twitter? Here’s a brief analysis of tweets from the International Congress for Conservation Biology to date. The conference...

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Analyzing Github pull requests with Neural Embeddings, in R

July 24, 2017
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At the useR!2017 conference earlier this month, my colleague Ali Zaidi gave a presentation on using Neural Embeddings to analyze GitHub pull request comments (processed using the tidy text...

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Are computers needed to teach Data Science?

July 24, 2017
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One of the many nice things about summer is the time and space it allows for blogging. And, after a very stimulating SRTL conference (Statistics Reasoning, Teaching and Learning)...

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Hacking Highcharter: observations per group in boxplots

July 24, 2017
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Hacking Highcharter: observations per group in boxplots

Highcharts has long been a favourite visualisation library of mine, and I’ve written before about Highcharter, my preferred way to use Highcharts in R. Highcharter has a nice simple...

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Random Forests in R

July 24, 2017
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Random Forests in R

Ensemble Learning is a type of Supervised Learning Technique in which the basic idea is to generate multiple Models on a training dataset and then simply combining(average) their Output...

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Stippling and TSP art in R: emulating StippleGen

July 24, 2017
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Stippling and TSP art in R: emulating StippleGen

Stippling is the creation of a pattern simulating varying degrees of solidity or shading by using small dots (Wikipedia).StippleGen is a piece of software that renders images using stipple...

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Beneath the canvas

July 23, 2017
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Beneath the canvas

Recently a blog post made its rounds on the internet describing how it is possible to speed up plot creation in ggplot2 by first creating a blank canvas and then later adding...

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Runtime vs. Success (Using IMDB)

July 23, 2017
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Runtime vs. Success (Using IMDB)

The content in this blog comes from a shiny application proof of concept using IMDB movie data.  To view the application: IMDB Movie Data App on The post Runtime...

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Programming with dplyr by using dplyr

July 23, 2017
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The title may seem tautological, but since the arrival of dplyr 0.7.x, there have been some efforts at using dplyr without actually using it that I can’t quite understand. The tidyverse has raised passions, for and against...

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Data Visualization with googleVis exercises part 8

July 23, 2017
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Data Visualization with googleVis exercises part 8

Annotation & Sankey Charts In the eighth part of our series we are going to learn about the features of some interesting types of charts. More specifically we will...

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ggtern: Version 2.2.1 Released

July 22, 2017
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ggtern: Version 2.2.1 Released

It has been a while since any kind of significant update has been released for the ggetern library, and the other day a minor update was submitted to CRAN,...

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RSiteCatalyst Version 1.4.13 Release Notes

July 22, 2017
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This blog post will be fairly short, given the minor nature of the update. Several users complained about OAUTH2 authentication not working, which I didn’t know because I usually use...

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Tidy Time Series Analysis, Part 2: Rolling Functions

Tidy Time Series Analysis, Part 2: Rolling Functions

In the second part in a series on Tidy Time Series Analysis, we’ll again use tidyquant to investigate CRAN downloads this time focusing on Rolling Functions. If you haven’t...

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Tutorial: Using seplyr to Program Over dplyr

July 22, 2017
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seplyr is an R package that makes it easy to program over dplyr 0.7.*. To illustrate this we will work an example. Suppose you had worked out a dplyr...

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What’s in our internal chaimagic package at work

July 21, 2017
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What’s in our internal chaimagic package at work

At my day job I’m a data manager and statistician for an epidemiology project called CHAI lead by Cathryn Tonne. CHAI means “Cardio-vascular health effects of air pollution in...

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Stan Weekly Roundup, 21 July 2017

July 21, 2017
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It was another productive week in Stan land. The big news is that Jonathan Auerbach reports that A team of Columbia students (mostly Andrew’s, including myself) recently won first...

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