In the [last post](http://rforpublichealth.blogspot.com/2015/03/basics-of-lists.html), I went over the basics of lists, including constructing, manipulating, and converting lists to other classes. Knowing the basics, in this post, we'll use the **apply()** functions to see just how powerful working with lists can be. I've done two ... [Read more...]

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by Ari Lamstein, consultant specializing in software engineering and data analysis and author of the free email course Learn to Map Census Data in R. One of my favorite things about R is that it allows me to follow up on interesting news stories. Consider this interview on EconTalk about ... [Read more...]

I am writing this blog post after a really long time. I had the R code and the shiny app ready but somehow i did not get time to post the same. This post is inspired from Taylor Rule screen in Bloomberg terminal. If you are working in finance Bloomberg... [Read more...]

Last week I presented visualisations of theoretical distributions that predict ice cream sales statistics based on linear and generalised linear models, which I introduced in an earlier post. Theoretical distributionsToday I will take a closer look at ... [Read more...]

Last week I presented visualisations of theoretical distributions that predict ice cream sales statistics based on linear and generalised linear models, which I introduced in an earlier post.Theoretical distributionsToday I will take a closer look at t... [Read more...]

Just had an article published over at Simple Talk about the 3 R Major R Graphical Systems:https://www.simple-talk.com/content/article.aspx?article=2271 [Read more...]

Just had an article published over at Simple Talk about the 3 R Major R Graphical Systems:https://www.simple-talk.com/content/article.aspx?article=2271 [Read more...]

Communication between individuals working on a group project is commonly carried over email, and in-person meetings tend to be preceded by an emailed agenda, and followed by emailed minutes. Projects organized around GitHub or similar systems tend also to have email updates for issue reports, etc. All of this means ... [Read more...]

PDQ (Pretty Damn Quick) is a FOSS performance analysis tool based on the paradigm of queueing models that can be programmed natively in R Python Perl C and several other languages. This minor release is now available for download. If you're new to PDQ, here's a simple queueing model written ... [Read more...]

PDQ (Pretty Damn Quick) is a FOSS performance analysis tool based on the paradigm of queueing models that can be programmed natively in R Python Perl C and several other languages. This minor release is now available for download. If you're new to PDQ, here's a simple queueing model written ... [Read more...]

Zillow, the leading real estate and rental marketplace in the USA, uses R to estimate housing values. Zillow's signature product is the Zestimate, their estimated market value for individual homes, and it's calculated using R in a parallel batch job for 100 million homes nationwide. The process is described in this ... [Read more...]

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A pure maintenance release 0.1.3 of the RcppDE package arrived on CRAN yesterday. RcppDE is a "port" of DEoptim, a popular package for derivative-free optimisation using differential optimization, to C++. By using RcppArmadillo, the code becomes a lot shorter and more legible. This version simply fixes a typo in the vignette ... [Read more...]

My Statistical Power and Significance Testing Visualization now lets you vary effect size, sample size, power and significance level. There's also a new feature to rescale the plot and by clicking-and-dragging you can pan the visualization. [Read more...]

Want to change the font used in your R plots? I got a quite simple solution that works on Mac OS.You need the function 'quartzFonts'. With this function, you can define additional font families to use in your R base graphic plots. The default font families are 'sans', 'serif' ... [Read more...]

Want to change the font used in your R plots? I got a quite simple solution that works on Mac OS.You need the function 'quartzFonts'. With this function, you can define additional font families to use in your R base graphic plots. The default font fami... [Read more...]

Topic: Text, Knowledge, and Information Extraction Speaker: Dr. Lizhen Qu, Researcher at NICTA Organizer: Canberra Data miners Meetup Group Date and time: 4:30-5:30pm, Tuesday 1 Sept Location: Teal Room of Inspire Centre, University of Canberra, Building 25, University of Canberra, … Continue reading → [Read more...]

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