January 2020

R as a tool for Systems Administration

January 27, 2020 | Ian Flores Siaca

When talking about languages to use in Production in data science, R is usually not part of the conversation and if it is, it's referenced as a secondary language. One of the main reasons this occurs is because R it’s commonly associated with being more suitable for statistical analysis ... [Read more...]

On the relationship of the sample size and the correlation

January 27, 2020 | mrajter

This has bugged me for some time now. There is a “common knowledge” that the correlation size is dependent on the variability, i.e. higher the variability – higher the correlation. However, when you put this into practice, there seems to be a confusion on what this really means. To analyse ...
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Programming with data.table

January 26, 2020 | HighlandR

Flexible functions in data.table I’m getting slightly more experienced with data.table, and I really like it. My learning method was to get pretty deep for a month, reading everything I could and replicating my dplyr code in data.table. I ... [Read more...]

Six Things I Always Google When Using ggplot2

January 26, 2020 | %>% dreams

I often use {ggplot2} to create graphs but there are certain things I always have to Google. I figured I’d create a post for quick reference for myself but I’d love to hear what you always have to look up! Remove the Legend Change Legend Title and Labels ...
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Chi-square test of independence in R

January 26, 2020 | R on Stats and R

Introduction Data Chi-square test of independence in R Conclusion and interpretation Combination of plot and statistical test Introduction This article explains how to perform the Chi-square test of independence in R and how to interpret its r...
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Programming with data.table

January 26, 2020 | HighlandR

getting started with multiple bare variable names in data.table functions - Flexible functions in data.table I’m getting slightly more experienced with data.table, and I really like it. My learning method was to get pretty deep for a month,... [Read more...]

rstudio::conf 2020 Workshops

January 26, 2020 | R Views

rstudio::conf 2020 got underway today with a huge training event featuring eighteen workshops taught by some of the most experienced and sought after instructors in the R Community. The workshops covered a wide range of topics including the Tidyverse, machine learning, deep learning, JavaScript, Shiny, R Markdown, package building, geospatial ...
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Chi-square test of independence in R

January 26, 2020 | R on Stats and R

Introduction Example Data Chi-square test of independence Conclusion and interpretation Introduction This article explains how to perform the Chi-square test of independence in R and how to interpret its results. To learn more about how the test works and how to do it by hand, I invite you to read ...
[Read more...]

Lessons Learned from My First MiniCompetion

January 26, 2020 | Educators R Learners

Editor’s Note: This post does not contain ANY code but describes concepts for data science which are language agnostic. “We do not learn from experience… we learn from reflecting on experience.” ― John Dewey, American Education Reformer After having dabbled in data science for the past few years, I decided ... [Read more...]

Code examples in the R package manuals

January 26, 2020 | Posts on R-hub blog

After posts exploring READMEs, URLs in DESCRIPTION, today we shall look at another important aspect of documentation: examples in the manual pages of your functions! Why write them, how to write them, and how to control their execution in different contexts (CRAN or not ????). Why write examples in manual pages? ... [Read more...]

Programming with data.table

January 26, 2020 | HighlandR

getting started multiple bare variable names in data.table functions - Flexible functions in data.table I’m getting slightly more experienced with data.table, and I really like it. My learning method was to get pretty deep for a month, re... [Read more...]

MCMC, with common misunderstandings

January 26, 2020 | xi'an

As I was asked to write a chapter on MCMC methods for an incoming Handbook of Computational Statistics and Data Science, published by Wiley, rather than cautiously declining!, I decided to recycle the answers I wrote on X validated to what I considered to be the most characteristic misunderstandings about ...
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wrapr 1.9.6 is now up on CRAN

January 26, 2020 | John Mount

wrapr 1.9.6 is now up on CRAN. We unfortunately usually forget to say this. A big thank you to the staff and volunteers at CRAN. As part of this release Nina Zumel has streamlined the unpack vignette, picking and recommending specific notations for the unpack method. We are looking forward to ...
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Software Updates: bootnet 1.3 and psychonetrics 0.5

January 26, 2020 | Sacha Epskamp

This post was written by Sacha Epskamp. Tomorrow our biannual network school will start again (see here for last year’s materials), which is also the time I update all software packages on CRAN. Most notably, I have updated bootnet to version 1.3 and psychonetrics to version 0.5. Given that it is ... [Read more...]
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