July 2017

The spark of statistics

July 25, 2017 | Jon Calder's R Blog

The science of us - I’ve enjoyed maths for pretty much as long as I can remember. I’m aware that it is rare to make such a statement. Probably straight up weird to some. But that just shows how much I have to be grateful for. I am ... [Read more...]

Passing two SQL queries to sp_execute_external_script

July 25, 2017 | tomaztsql

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 sp_execute_external_script. Some of the  arguments of the procedure sp_execute_external_script are enumerated. This is valid for ...
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Effect Size Statistics for Anova Tables #rstats

July 25, 2017 | Daniel

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. The current update, however, added some ANOVA tools to the package. In this post, I want to give a short ...
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R⁶ — General (Attys) Distributions

July 25, 2017 | hrbrmstr

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 thin ice): Only Watergate and the Civil War have prompted shorter tenures as AG (if Sessions were to leave now). ...
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SQL Server 2017 release candidate now available

July 25, 2017 | David Smith

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 candidate is available for public preview. For those looking to do data science with data in SQL Server, there are a number of ... [Read more...]

Experiment designs for Agriculture

July 25, 2017 | Fabio Veronesi

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 agriculture and animal science.  I will not go into details about these designs. If you want to know more about what ... [Read more...]

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

July 25, 2017 | Lorenzo Busetto

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 revised website will allow to navigate MODIStsp-related material much more easily than either github ...
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Analyzing Github pull requests with Neural Embeddings, in R

July 24, 2017 | David Smith

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 framework). The data analysis was done using R and distributed on Spark, and the resulting neural network trained using the Microsoft ... [Read more...]

Are computers needed to teach Data Science?

July 24, 2017 | Rob

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) in Rotorua, New Zealand, there’s lots to blog about. Let’s begin … Continue reading → [Read more...]

Hacking Highcharter: observations per group in boxplots

July 24, 2017 | nsaunders

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 function, hcboxplot(), to generate boxplots. I recently generated some for a project at work and was asked: can we see ...
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Random Forests in R

July 24, 2017 | Anish Singh Walia

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 Rules or their Hypothesis \( H_x \) to generate a Strong Model which performs very well and does not overfits and ...
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Stippling and TSP art in R: emulating StippleGen

July 24, 2017 | Simon Barthelme

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 patterns, which I discovered on Xi’an’s blog a couple days ago. StippleGen uses an algorithm by Adrian Secord (...
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Testing features in `blogdown`

July 23, 2017 | R on francojc ⟲

This is a post to test the functionality of blogdown. We are going to look at how various types of outputs are rendered and do some tweaking to get things to work right. The hope is to get an idea of what the best practices for creating posts and pages ...
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Beneath the canvas

July 23, 2017 | Data Imaginist

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 the plot elements on top of it. The main takeaway plot is reproduced below: The blog post is ...
[Read more...]

Beneath the canvas

July 23, 2017 | Data Imaginist - R posts

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 the plot elements on top of it. The main takeaway plot is reproduced below: ...
[Read more...]
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