Playing With Pipe Notations

February 19, 2019
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Playing With Pipe Notations

Recently Hadley Wickham prescribed pronouncing the magrittr pipe as “then” and using right-assignment as follows: I am not sure if it is a good or bad idea. But let’s play with it a bit, and perhaps readers can submit their experience and opinions in the comments section. Right assignment Right assignment is a bit of … Continue reading Playing...

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Monitoring Diabetes’ risk and BMI thanks to a Shiny dashboard

February 19, 2019
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Monitoring Diabetes’ risk and BMI thanks to a Shiny dashboard

Can you track your health status and your BMI simply by entering some personal data? Let's see how we did it with a brand new Shiny app. The post Monitoring...

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Animate intermediate results of your algorithm

February 19, 2019
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Animate intermediate results of your algorithm

The R package gganimate enables to animate plots. It is particularly interesting to visualize the intermediate results of an algorithm, to see how it converges towards the final results. The following...

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To understand recursion you have to understand recursion…

February 19, 2019
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To understand recursion you have to understand recursion…

Sorting values is one of the bread and butter tasks in computer science: this post uses it as a use case to learn what recursion is all about. It...

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In Dev: WiGLE Your Way Into A Hotspot with wiglr

February 18, 2019
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In Dev: WiGLE Your Way Into A Hotspot with wiglr

WiGLE has been around a while and is a great site to explore the pervasiveness or sparsity of Wi-Fi (and cellular) networks around the globe. While interactive use is...

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Marco and Hugo discuss the role of data science in large-scale bets and bookmaking.

February 18, 2019
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Marco and Hugo discuss the role of data science in large-scale bets and bookmaking.

Hugo Bowne-Anderson, the host of DataFramed, the DataCamp podcast, recently interviewed Marco Blume, Trading Director at Pinnacle Sports. Here is the podcast link. Introducing Marco Blume Hugo: ...

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Installing R using Powershell

February 18, 2019
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Installing R using Powershell

Installing R from scratch and creating your favorite IDE setup is especially useful when making fresh installation or when you are developing and testing out different versions. This blogpost...

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Conquering Caffeinated Amazon Athena with the metis Trio of Packages

February 17, 2019
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Conquering Caffeinated Amazon Athena with the metis Trio of Packages

I must preface this post with the posit that if you’re doing anything interactive() with Amazon Athena you should seriously consider just using their free ODBC drivers as it’s...

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Interest in rappers measured by their Google searches

February 17, 2019
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Interest in rappers measured by their Google searches

Google searches and the amount of searches for terms can show how interested the public is in that subject. After all, the act of Googling something is result of...

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Developing R Packages with usethis and GitLab CI: Part III

February 17, 2019
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Developing R Packages with usethis and GitLab CI: Part III

While developing your R package, you will want to make sure the code it contains is as clean as possible and that your package build and testing times are...

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Le Monde puzzle [#1085]

February 17, 2019
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Le Monde puzzle [#1085]

A new Le Monde mathematical puzzle in the digit category: Given 13 arbitrary relative integers chosen by Bo, Abigail can select any subset of them to be drifted by...

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‚Stata-like‘ tick marks for logarithmic axes in ggplot2

February 16, 2019
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‚Stata-like‘ tick marks for logarithmic axes in ggplot2

I am currently reproducing a statistical analysis a colleague of mine conducted in Stata. Obviously, I am using R for the replication. I came across what I think is...

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Query Generation in R

February 16, 2019
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Query Generation in R

R users have been enjoying the benefits of SQL query generators for quite some time, most notably using the dbplyr package. I would like to talk about some features...

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Visualizing Language Loss in Taiwan: Create an “Age-Sex Pyramid of Language” with ggplot2

February 16, 2019
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Visualizing Language Loss in Taiwan: Create an “Age-Sex Pyramid of Language” with ggplot2

Taiwan Language Survey is a small project I worked on during May to June in 2018. The idea was to create a survey that continuously collects data and a...

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Verbose data.table and uncovering hidden cedta’s data table awareness decisions

February 16, 2019
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Verbose data.table and uncovering hidden cedta’s data table awareness decisions

Introduction When speed and memory efficiency is important, the data.table package is one of the ways to improve those aspects of our R code dramatically. Including data.table in a package...

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Weather Forecast from MET Office

February 16, 2019
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This is another function I wrote to access the MET office API and obtain a 5-day ahead weather forecast:METDataDownload

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Geocoding function

February 16, 2019
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This is a very simple function to perform geocoding using the Google Maps API: getGeoCode

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Take 4+: Presentations on ‘Elements of Neural Networks and Deep Learning’ – Parts 1-8

February 16, 2019
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Take 4+: Presentations on ‘Elements of Neural Networks and Deep Learning’ – Parts 1-8

“Lights, camera and … action – Take 4+!” This post includes  a rework of all presentation of ‘Elements of Neural Networks and Deep  Learning Parts 1-8 ‘ since my...

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Mastering your day as a programmer

February 15, 2019
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How do you program? I feel like there is a lot of advice out there, but most of it focuses on the micro level rather than on the macro level....

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Post to Mastodon from R

February 15, 2019
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Post to Mastodon from R

Mastodon is a decentralized microblogging platform. We can analyse some data and directly post our findings to a Mastodon instance. For example we can plot the different TLDs used...

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Anatomy of a logistic growth curve

February 15, 2019
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Anatomy of a logistic growth curve

In this post, I walk through the code I used to make a nice diagram illustrating the parameters in a logistic growth curve. I made this figure for a conference submission....

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The Most Amount of Rain over a 10 Day Period on Record

February 14, 2019
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The Most Amount of Rain over a 10 Day Period on Record

Townsville, Qld, has been inundated with torrential rain and has broken the record of the largest rainfall over a 10 The post The Most Amount of Rain over a...

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Data-driven Introspection of my Android Mobile usage in R

February 14, 2019
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Data-driven Introspection of my Android Mobile usage in R

CategoriesProgramming Tags Data Visualisation Exploratory Analysis R Programming This is an attempt to see how the data that are collected from us, can also be used for the betterment of us – one’s self....

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Using the ropendata R Package to Access Petabytes of Free Internet Telemetry Data from Rapid7

February 14, 2019
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I’ve got a post up over at $DAYJOB’s blog on using the ropendata🔗 package to access the ginormous and ever-increasing amount of internet telemetry (scan) data via the Rapid7...

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Stats in the newspapers

February 14, 2019
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As I’m waiting to catch my flight back from Stockholm (where I had a rather interesting meeting discussing Bayesian network meta-analysis. But I digress…), I am browsing the news...

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Busy summer ahead

February 14, 2019
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Summer is really going to be busy, this year. But in a good way… In June, I’ll be at our annual summer school in Florence. This year, we have a...

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Visualizing Brooklyn Nine-Nine with R!

February 14, 2019
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Visualizing Brooklyn Nine-Nine with R!

“Hey there criminal. It’s me, Johnny Law!”...

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PDSwR2 Free Excerpt and New Discount Code

February 14, 2019
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Manning has a new discount code and a free excerpt of our book Practical Data Science with R, 2nd Edition: here. This section is elementary, but things really pick up...

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A Shiny app for your perfect circle

February 14, 2019
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A Shiny app for your perfect circle

Abstract: The perfect circle is a shiny app providing a user friendly interface to the algorithm described in the previous blog post Judging Freehand Circle Drawing Competitions. The app allows...

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