July 2019

Sentiment analysis in R

July 31, 2019 | Mario S.

Are you interested in guest posting? Publish at DataScience+ via your editor (i.e., RStudio). Category Getting Data Tags Data Management R Programming Sentiment Analysis There are many ways to perform sentiment analysis in R, including external packages. Most of those common methods are based on dictionary lookups that allow ...
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Announcing pdqr

July 31, 2019 | QuestionFlow

Announcing 'pdqr': package for working with custom distribution functions. Prologue I have been working on ‘pdqr’ package for quite some time now. Initially it was intended only for creating custom distribution functions (analogues of base “p”, “d”, “q”, and “r” functions) from numeric sample. However, after couple of breakthrough ideas, ... [Read more...]

R package submission REX

July 31, 2019 | Neonira

I submitted my first R packages a few weeks ago, and I believe it’s worth sharing some return on experience, as the CRAN submission and acceptance processes are much more tricky than they appear at first glance. Package preparation and bundles we...
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July 30, 2019 | r-bloggers on Machine Learning in R

mlr3 - Initial release Background - why a rewrite? The new mlr3 package framework mlr3 at useR!2019 mlr3 - Initial release The mlr-org team is very proud to present the initial release of the mlr3 machine-learning framework for R. mlr3 comes wi...
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Validating Type I and II Errors in A/B Tests in R

July 30, 2019 | R Views

In this post, we seek to develop an intuitive sense of what type I (false-positive) and type II (false-negative) errors represent when comparing metrics in A/B tests, in order to gain an appreciation for “peeking”, one of the major problems plaguing the analysis of A/B test today. To ...
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Network model trees

July 30, 2019 | Achim Zeileis

The effect of covariates on correlations in psychometric networks is assessed with either model-based recursive partitioning (MOB) or conditional inference trees (CTree). Citation Jones PJ, Mair P, Simon T, Zeileis A (2019). ?...
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Microsoft ML Server 9.4 now available

July 30, 2019 | David Smith

Microsoft Machine Learning Server, the enhanced deployment platform for R and Python applications, has been updated to version 9.4. This update includes the open source R 3.5.2 and Python 3.7.1 engines, and supports integration with Spark 2.4. Microsoft ML Server also includes specialized R packages and Python modules focused on application deployment, scalable machine ...
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Dash has gone full R

July 30, 2019 | modern.data

This is a reblog from the “Announcing Dash for R” announcement originally published July 10. Dash, the fastest growing framework for building analytic web applications on top of Python models, is now available for the R programming language. Installation | Documentation | GitHub | Gallery Dash was released in 2017 as the latest evolution in ...
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Grades Aren’t Normal

July 30, 2019 | ntguardian

Grades are not Normally distributed. That's not what's seen naturally in grades and the idea is not supported by statistics. You can force grades to look Normally distributed, but doing so has costs.
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Some Notes on GNU Licenses in R Packages

July 30, 2019 | John Mount

I was recently asked if Win-Vector LLC would move the R wrapr package from a GPL-3 license to an LGPL license. In the end I decided to move wrapr distribution to a “GPL-2 | GPL-3” license. This means the package is now available under both GPL-2 and GPL-3 licensing, allowing the ...
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EARLy bird ticket offer ends tomorrow!

July 30, 2019 | Mango Solutions

R fans, you have just one more day to get your hands on discounted EARL London 2019 tickets. Our early bird offer gets you £100 off the full price ticket, so it makes persuading your boss easier! Visit the EARL website for more details and see 2018’s highlights below: [Read more...]

useR!2019 Toulouse recap

July 30, 2019 | Filip Stachura

Conferences like userR & EARL are the R events to attend every year and personally, and as a company, I can’t imagine skipping one. It’s an important place to be if you want to be up-to-date with the R technology and build up your presence in the community. Our ...
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Summer Break: A Look back… and ahead

July 30, 2019 | Learning Machines

It was November last year when I seriously started blogging and it is time to share with you some experiences and highlights before the summer break… so read on! The first thing that really surprised me (and still surprises me) is the popularity of my blog – and I say this ... [Read more...]

Book Review: Advanced R

July 29, 2019 | Chris Carbone

When I first started using R, my code looked just like MATLAB code. I read an intro to R programming, did some data analysis using R, and I was using the arrow assignment operator! But otherwise, my R code looked very much like MATLAB. Then I read Advanced R by ... [Read more...]
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