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 fun, WiGLE also has a free API (so long as you obey the EULA and aren’t abusive) that lets you ...

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: Hi there, Marco, and welcome to Dataframed. Marco: Yeah, hi Hugo. Thanks for having me. Hugo: Real pleasure to have you on the ...

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 will guide you through some essential steps (hopefully, there will not…Read more ›

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 the easiest way to wire them up to R DBI- and tidyverse-wise. I’ve said as much in previous ...

A little while ago I showed Karthik Ram the percent function from scales, and he said something along the lines of: There should be a high quality screencase where someone shows a couple of rstats tricks and thats it. So this is it! I just uploaded a screencast to youtube ...

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 as efficient as you can make them. There are a number of tricks and tools at your disposal to accomplish these ...

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 plus or minus one by Bo, repeatedly until Abigail reaches the largest possible number N of multiples of 5. What is the minimal ...

In this tutorial, I will help you to analyze Google Adwords data with R using the Google Ads API. L’article How to connect to Google Ads API with R (Advanced AdWords) est apparu en premier sur JC Chouinard.

I’m in the thick of our annual portfolio investment due diligence at work. Basically, this involves surveying all the potential investments we could hold in our portfolios, and then deciding whether we should continue to hold what we own or switch to something else. It is a big job, ...

library(tidyverse)

## ── Attaching packages ──────────────────────────────────────────────────────────────────────────────────── tidyverse 1.2.1 ──

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## ✔ tibble  2.0.1       ✔ dplyr   0.8.0.1
## ✔ tidyr   0.8.2       ✔ stringr 1.4.0  
## ✔ readr   1.3.1       ✔ forcats 0.4.0

## ── Conflicts ─────────────────────────────────────────────────────────────────────────────────────── tidyverse_conflicts() ──
## ✖ dplyr::filter() masks stats::filter()
## ✖ dplyr::lag()    masks stats::lag()

library(spData) library(spDataLarge) library(rvest)

## Loading required package: xml2

## 
## Attaching package: 'rvest'

## The following object is masked from 'package:purrr':
## 
##     pluck

## The following object is masked from 'package:readr':
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##     guess_encoding

library(tmap) world %__% filter(subregion %in% c("Eastern Asia", "South-Eastern Asia")) -__ east_asia tm_shape(east_asia, projection = 3857) + tm_polygons(col = "lifeExp", n = 5) + tm_layout(title = "EAAST",inner.margins = c(0.1, 0.02, 0.05, 0.02)) + tm_scale_bar() #loads ...

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 Stata’s default behavior when using log-transformed axes. This is an example. What I like about the tick lines on the ...

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 of our own rquery query generator, concentrating on derived result re-use. Introduction SQL represents value use by nesting. To use a ...

For my lectures on applied linear models, I wanted to illustrate the fact that the is never a good measure of the goodness of the model, since it’s quite easy to improve it. Consider the following dataset n=100 df=data.frame(matrix(rnorm(n*n),n,n)) names(df)=...

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 web page that visualizes the collected data. The web page is updated weekly using Travis-CI. The main purpose of this survey is ...

“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 earlier presentations had some missing parts, omissions and some occasional errors. So I have re-recorded all the presentations. This series of presentation will do a ...