Vignette: Google Trends with the gtrendsR package

October 17, 2019
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Vignette: Google Trends with the gtrendsR package

Background Google Trends is a well-known, free tool provided by Google that allows you to analyse the popularity of top search queries on its Google search engine. In market exploration work, we often use Google Trends to get a very quick view of what behaviours, language, and general things are trending in a market. And of course, if you...

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three birthdays and a numeral

October 17, 2019
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three birthdays and a numeral

The riddle of the week on The Riddler was to find the size n of an audience for at least a 50% chance of observing at least one triplet...

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Practical Data Science with R 2nd Edition update

October 17, 2019
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We are in the last stages of proofing the galleys/typesetting of Zumel, Mount, Practical Data Science with R, 2nd Edition, Manning 2019. So this edition will definitely be out...

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Job: Junior Systems Administrator (with a focus on R/Python)

October 17, 2019
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Jumping Rivers is a data science consultancy company focused on R and Python. We work across industries and throughout the world. We offer a mixture of training, modelling, and...

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rBokeh – Don’t be stopped by missing arguments!

October 17, 2019
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rBokeh – Don’t be stopped by missing arguments!

rBokeh is an interactive plotting library. Since it functions lack some arguments compared to its Python counterpart, plots are sometimes difficult to customize. I will show how to overcome...

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Repetitive Q: Reading Multiple Files in the Zip Folder

October 17, 2019
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Dear Readers,I always see a repetitive question coming to me and across various forums on how to read multiple files in the zip folder of same separator or multiple...

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2 Months in 2 Minutes – rOpenSci News, October 2019

2 Months in 2 Minutes – rOpenSci News, October 2019

rOpenSci HQ What would you like to hear about in an rOpenSci Community Call? We are soliciting your “votes” and new ideas for Community Call topics and speakers. Find out...

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Productionizing Shiny and Plumber with Pins

October 16, 2019
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Productionizing Shiny and Plumber with Pins

Producing an API that serves model results or a Shiny app that displays the results of an analysis requires a collection of intermediate datasets and model objects, all of...

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Map coloring: the color scale styles available in the tmap package

Map coloring: the color scale styles available in the tmap package

This vignette builds on the making maps chapter of the Geocomputation with R book. Its goal is to demonstrate all possible map styles available in the tmap package. Prerequisites The examples below...

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Non-Gaussian forecasting using fable

October 16, 2019
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Non-Gaussian forecasting using fable

library(tidyverse) library(tsibble) library(lubridate) library(feasts) library(fable) In my previous post about the new fable package, we saw how fable can produce forecast distributions, not just point forecasts. All my examples used Gaussian (normal) distributions, so...

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Automatic DAG learning – part 1

October 16, 2019
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Automatic DAG learning – part 1

I was really struggling with finding a header pic for this post when I came across the one above - titled “Dag scoring and selection” and since it’s sort...

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Advancing Text Mining with R and quanteda

October 16, 2019
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Advancing Text Mining with R and quanteda

Everyone is talking about text analysis. Is it puzzling that this data source is so popular right now? Actually no. Most of our datasets rely on (hand-coded) textual information....

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Using bwimge R package to describe patterns in images of natural structures

October 15, 2019
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Using bwimge R package to describe patterns in images of natural structures

This tutorial illustrates how to use the bwimge R package (Biagolini-Jr 2019) to describe patterns in images of natural structures. Digital images are basically two-dimensional objects composed by cells...

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Private Security and the Pareto Principle

October 15, 2019
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Private Security and the Pareto Principle

Private Security is a big industry in South Africa. Most Private Security companies promise to provide a rapid response to every callout generated by any of their customers. There...

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New package: GetEdgarData

October 15, 2019
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New package: GetEdgarData

Introduction Every company traded in the US stock market must report its quarterly and yearly documents to the SEC and the public in general. This includes its accounting statements (10-K,...

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Easy introduction to Offensive Programming

October 15, 2019
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Easy introduction to Offensive Programming

Many of us are using R in a way or another and we all have to deal with R intrinsics and sometimes R weirdness. Standard R way Base package, append function Let’s...

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Le Monde puzzle [#1114]

October 15, 2019
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Le Monde puzzle [#1114]

Another very low-key arithmetic problem as Le Monde current mathematical puzzle: 32761 is 181² and the difference of two cubes, which ones? And 181=9²+10², the sum of two consecutive...

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upcoming AI-related courses

October 15, 2019
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I forgot to do some marketing for the following upcoming AI-related courses which will be given in Leuven, Belgium by BNOSAC 2019-10-17&18: Statistical Machine Learning with R: Subscribe here 2019-11-14&15: Text...

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Free R/datascience Extract: Evaluating a Classification Model with a Spam Filter

October 15, 2019
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Free R/datascience Extract: Evaluating a Classification Model with a Spam Filter

We are excited to share a free extract of Zumel, Mount, Practical Data Science with R, 2nd Edition, Manning 2019: Evaluating a Classification Model with a Spam Filter. This...

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Parsing Sda Pages

October 15, 2019
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SDA is a suite of software developed at Berkeley for the web-based analysis of survey data. The Berkeley SDA archive (http://sda.berkeley.edu) lets you run various kinds of analyses on...

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Super Solutions for Shiny Apps #4 of 5: Using R6 Classes

October 15, 2019
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Super Solutions for Shiny Apps #4 of 5: Using R6 Classes

TL;DR Why use object-oriented programming in Shiny applications? It’ll help organizize organize the code in your application!   Organize Your Shiny Code with Object-Oriented Programming Classes are used widely in...

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Simulating data with Bayesian networks

October 15, 2019
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Simulating data with Bayesian networks

Bayesian networks are really useful for many applications and one of those is to simulate new data. Bayes nets represent The post Simulating data with Bayesian networks appeared first...

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JAMA retraction after miscoding – new Finalfit function to check recoding

October 15, 2019
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Riinu and I are sitting in Frankfurt airport discussing the paper retracted in JAMA this week. During analysis, the treatment variable coded was recoded in error to ....

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Finding free science books from Springer

October 15, 2019
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Finding free science books from Springer

Today the biggest book fair of the world starts again in Frankfurt, Germany. I thought this might be a good opportunity to do you some good! Springer is one...

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Merge MLP And CNN in Keras

October 14, 2019
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Merge MLP And CNN in Keras

In the post (https://statcompute.wordpress.com/2017/01/08/an-example-of-merge-layer-in-keras), it was shown how to build a merge-layer DNN by using the Keras Sequential model. In the example below, I tried to scratch a merge-layer...

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Shiny 1.4.0

October 14, 2019
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Shiny 1.4.0 has been released! This release mostly focuses on under-the-hood fixes, but there are a few user-facing changes as well. If you’ve written a Shiny app before, you’ve probably...

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Strange Attractors: an R experiment about maths, recursivity and creative coding

October 14, 2019
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Strange Attractors: an R experiment about maths, recursivity and creative coding

by Antonio Sánchez Learning to code can be quite hard. Apart from the difficulties of learning a new language, following a book...

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What are Your Use Cases for rOpenSci Tools and Resources?

What are Your Use Cases for rOpenSci Tools and Resources?

We want to know how you use rOpenSci packages and resources so we can give them, their developers, and your examples more visibility. It’s valuable to both users and developers...

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Selection bias, death, and dying

October 14, 2019
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Selection bias, death, and dying

I am collaborating with a number of folks who think a lot about palliative or supportive care for people who are facing end-stage disease, such as advanced dementia, cancer,...

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