Exploring Nginx workers load arbitration

May 20, 2019
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Exploring Nginx workers load arbitration

In the documentation of Haskell module NgxExport.Tool.Aggregate there is a small example of how to establish monitoring of Nginx worker’s load. In a few words, it is possible to set up an internal server that would sit on an arbitrary Nginx worker process and accumulate various data from all the workers. This data could be retrieved via specified interface...

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R Studio Shortcuts and Tips – part 2

May 20, 2019
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R Studio Shortcuts and Tips – part 2

Welcome to the second part of R Studio shortcuts and tips! If you have not yet read r studio shortcuts and tips – part one, I strongly recommend to...

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digest 0.6.19

Overnight, digest version 0.6.19 arrived on CRAN. It will get uploaded to Debian in due course. digest creates hash digests of arbitrary R objects (using the md5, sha-1, sha-256,...

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Part 2: Simple EDA in R with inspectdf

May 20, 2019
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Part 2: Simple EDA in R with inspectdf

Quickly and easily explore your data set in R with the Inspectdf function!

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How to design a model visualisation @ Gdansk satRdays

May 20, 2019
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How to design a model visualisation @ Gdansk satRdays

I had amazing weekend in Gdansk thanks to the satRday conference organized by Olgun Aydin, Ania Rybinska and Michal Maj. Together with Hanna Piotrowska we had a talk ,,Machine...

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The Effect of Consistency on Corporate Net Income

May 19, 2019
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The Effect of Consistency on Corporate Net Income

One of the investment concepts that every long term investor should know is the effect of consistency over corporate performance. The main idea is that older and profitable companies...

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Causal inference bake off (Kaggle style!)

May 19, 2019
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Intro On my last few posts I’ve tried answering high level questions such as “What is Causal inference?”, “How is it different than ML?” and “When should I use...

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My DataCamp course is live: “Survey and Measure Development in R”

May 19, 2019
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My DataCamp course is live: “Survey and Measure Development in R”

Very happy to share that my DataCamp course “Survey and Measure Development in R” is now available. Check it out here — the first chapter is free. From the...

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RQuantLib 0.4.9: Another small updates

A new version 0.4.9 of RQuantLib reached CRAN and Debian. It completes the change of some internals of RQuantLib to follow suit to an upstream change in QuantLib....

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r/finance, 1 year later

May 18, 2019
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The prominent conference R/Finance, held annually in Chicago, had a great program yesterday and today. As I wrote following last year’s conference, the organizers were criticized for including no...

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A new package for panel data analysis in R

May 18, 2019
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A new package for panel data analysis in R

It has been a long time coming, but my R package panelr is now on CRAN. Since I started work on it well over a year ago, it has become essential to...

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A new package for panel data analysis in R

May 18, 2019
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A new package for panel data analysis in R

It has been a long time coming, but my R package panelr is now on CRAN. Since I started work on it well over a year ago, it has become essential to...

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The never-ending editor war (?)

The never-ending editor war (?)

The creation of this blog post was prompted by this tweet, asking an age-old question: @spacemacs— Bruno Rodrigues (@brodriguesco) May 16, 2019 This is actually a very important question, that I...

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Earthquake Analysis (4/4): Cluster Analysis

May 18, 2019
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Earthquake Analysis (4/4): Cluster Analysis

Are you interested in guest posting? Publish at DataScience+ directly from your editor (i.e., RStudio). Category Basic Statistics Tags Data Visualisation Maps R Programming This is the fourth part of our post series about the exploratory...

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Mapping Tornado Alley with R

May 18, 2019
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Mapping Tornado Alley with R

I caught a re-tweet of this tweet by @harry_stevens: THREAD: I wrote a post on @observablehq about a map I made today. It shows a typical day in the...

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Polls v results by @ellis2013nz

Polls v results by @ellis2013nz

Like most people, I was surprised at yesterday’s result for the Australian federal election. But I was much less surprised than most people. The two-party-preferred vote for the ALP...

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Workshop – R Bootcamp: For Newcomers to R

May 18, 2019
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Sunday, June 16, 2019 in Las Vegas Two and a half hour workshop: 2:00pm-4:30pm Intended Audience: Practitioners who wish to learn the nuts and bolts of the R language;...

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Workshop – R for Machine Learning: A Hands-On Introduction

May 18, 2019
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Monday, June 17, 2019 in Las Vegas Full-day Workshop: 8:30am – 4:30pm Intended Audience: Practitioners who wish to learn how to execute on predictive analytics by way of the...

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For posterity: install {xml2} on GNU/Linux distros

For posterity: install {xml2} on GNU/Linux distros

Today I’ve removed my system’s R package and installed MRO instead. While re-installing all packages, I’ve encountered one of the most frustrating error message for someone installing packages from source: Error :...

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Fun with Statistics – Is Usain Bolt really the fastest man on earth?

May 17, 2019
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Fun with Statistics – Is Usain Bolt really the fastest man on earth?

If you search for the phrase “fastest man on earth” in Google, chances are that it will return the answer “Usain Bolt”. It certainly does so for me, even...

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redshiftTools v1.0.0 – CRAN Release!

May 17, 2019
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redshiftTools v1.0.0 – CRAN Release!

A new version of the package redshiftTools has arrived with improvements and it's now available in CRAN! This package let's you efficiently upload data into an Amazon Redshift database...

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6 myths about refuelling – tackled with statistics

May 17, 2019
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6 myths about refuelling – tackled with statistics

Is it cheaper to fill up your gas tank in the evening? Many car drivers have their own theories and myths about refuelling. Our colleague Jakob tackled 6 of...

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Four ways to reverse a string in R

May 16, 2019
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Four ways to reverse a string in R

R offers several ways to reverse a string, include some base R options. We go through a few of those in this post. We’ll also compare the computational time...

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Using Data Cubes with R

May 16, 2019
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Using Data Cubes with R

Interested in guest posting? We would love to share your codes and ideas with our community. Category Data Management Tags Data Management Data Visualisation R Programming Tips & Tricks Data cubes are a popular way to display...

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MobileTrigger Setup: Run R Scripts, Models, Reports with Mobile Device

May 16, 2019
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MobileTrigger Setup: Run R Scripts, Models, Reports with Mobile Device

Say hello to the MobileTrigger package. With it, you can run R scripts, models, and reports from a mobile device using e-mail triggers. In its debut offering, version 0.0.31...

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R usage in Brazil

May 16, 2019
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R usage in Brazil

I’m using R for at least five years and always been curious about its usage in Brazil. I see some minor personal evidence that the number of users is...

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Make R Great Again

May 16, 2019
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Our editorial on using R in HTA (I talked about it here) has finally been published in Value in Health. This is nice in the (rather long, I know…) build...

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You are what you vote

May 16, 2019
By

I’ve tried my hand at writing for the wider public with an article for The Conversation based on my paper with Di Cook and Jeremy Forbes on “Spatial modelling...

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SatRday LA 2019 Slides on Futures

May 16, 2019
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SatRday LA 2019 Slides on Futures

A bit late but here are my slides on Future: Friendly Parallel Processing in R for Everyone that I presented at the satRday LA 2019 conference in Los Angeles,...

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