RcppQuantuccia 0.0.3

August 19, 2019
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A maintenance release of RcppQuantuccia arrived on CRAN earlier today. RcppQuantuccia brings the Quantuccia header-only subset / variant of QuantLib to R. At the current stage, it mostly offers date and calendaring functions. This release was trigger...

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Introducing Open Forensic Science in R

Introducing Open Forensic Science in R

The free online book Open Forensic Science in R was created to foster open science practices in the forensic science community. It is comprised of eight chapters: an introduction...

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What does a modern analytics platform need to offer companies real added value?

August 19, 2019
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What does a modern analytics platform need to offer companies real added value?

What does a modern analytics platform need to offer companies real added value? Currently, new, innovative platforms are sprouting up on the market again and again – implemented with...

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Regular Sequences

August 19, 2019
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Regular Sequences

So far in this series, we used vectors from built-in datasets (rivers, women and nhtemp), or created them by stringing together several numbers with the c function (e.g. c(1,...

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Why Machine Learning is more Practical than Econometrics in the Real World

August 18, 2019
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Why Machine Learning is more Practical than Econometrics in the Real World

Motivation I’ve read several studies and articles that claim Econometric models are still superior to machine learning when it comes to forecasting. In the article, “Statistical and Machine Learning forecasting...

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No visible binding for global variable

August 18, 2019
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Recently I have been working on a very large legacy project which utilises the excellent data.table package throughout. What this has resulted in is an R CMD check containing...

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Mueller Report Volume 1: Network Analysis

August 18, 2019
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Mueller Report Volume 1: Network Analysis

settle down and have another cup of coffee code TLDR There are a lot of Russian’s talking to a lot of Trump campaign members in Mueller report. There are so many it’s...

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Dash with golem: The beginning

August 18, 2019
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{golem} has been developed to help building big Shiny application to put in production. What if {golem} could be used to build another popular interactive web application, recently made...

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How To Select Multiple Columns Using Grep & R

August 18, 2019
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Why you need to be using Grep when programming with R. There’s a reason that grep is included in most if not all programming language to... The post How To...

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noaastorms R package now supports NOAA IBTrACS v4

August 17, 2019
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noaastorms R package now supports NOAA IBTrACS v4

Earlier this year, I released a simple R package (available at basilesimon/noaastorms) that downloads, cleans and parses NOAA IBtrack data for you. As the NOAA updated its datasets, noaastorms is...

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Missing Values In Dataframes With Inspectdf

August 17, 2019
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Missing Values In Dataframes With Inspectdf

Summarising NA by column in dataframes

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Tech Dividends, Part 2

August 16, 2019
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Tech Dividends, Part 2

In a previous post, we explored the dividend history of stocks included in the SP500, and we followed that with exploring the dividend history of some NASDAQ tickers. Today’s...

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Modern R with the tidyverse is available on Leanpub

Modern R with the tidyverse is available on Leanpub

Yesterday I released an ebook on Leanpub, called Modern R with the tidyverse, which you can also read for free here. In this blog post, I want to give some context. Modern R...

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3 tidyverse tricks for most commonly used Excel Features

August 16, 2019
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In this post, We’re simply going to see 5 tricks that could help improve your tooling using {tidyverse}. Create a difference variable between the current value and the next value This...

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We’re RStudio Trainers!

August 16, 2019
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We’re RStudio Trainers!

We're RStudio Trainers! Big news. RStudio recently started certifying trainers in three areas: the tidyverse, Shiny and teaching. To be certified to teach a topic you have to pass...

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EARL London – speaker interview

August 16, 2019
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EARL London – speaker interview

Robert Duff (Transport for London) and Rahulan Chandrasekaran (Department for Transport) Robert and Rahulan are doing a joint presentation titled ‘Let me in! Let me on! Quantifying highly frustrating...

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What the MAPE is FALSELY blamed for, its TRUE weaknesses and BETTER alternatives!

August 16, 2019
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What the MAPE is FALSELY blamed for, its TRUE weaknesses and BETTER alternatives!

In time series context, one of most the commonly used measures is the MAPE. In this blog post, I evaluate critical arguments and weaknesses concerning the MAPE and demonstrate...

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Really large numbers in R

August 15, 2019
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Really large numbers in R

This post will discuss ways of handling huge numbers in R using the gmp package. The gmp package The gmp package provides us a way of dealing with really...

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Converting lines in an svg image to csv

August 15, 2019
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Converting lines in an svg image to csv

During a search for data on programming language usage I discovered Stack Overflow Trends, showing an interesting plot of language tags appearing on Stack Overflow questions (see below). Where...

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Insurance data science : Networks

August 15, 2019
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Insurance data science : Networks

At the Summer School of the Swiss Association of Actuaries, in Lausanne, I will start talking about networks and insurance this Friday. Slides are available online

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Fun with progress bars: Fish, daggers and the Star Wars trench run

August 15, 2019
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Fun with progress bars: Fish, daggers and the Star Wars trench run

If you’re like me, when running a process through a loop you’ll add in counters and progress indicators. That way The post Fun with progress bars: Fish, daggers and...

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EARL London – agenda highlights

August 15, 2019
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There are so many wonderful EARL talks happening this year – it’s hard to highlight them all! But we thought we’d share some that the Mango team are really...

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Big Data: Wrangling 4.6M Rows with dtplyr (the NEW data.table backend for dplyr)

August 14, 2019
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Big Data: Wrangling 4.6M Rows with dtplyr (the NEW data.table backend for dplyr)

Wrangling Big Data is one of the best features of the R programming language, which boasts a Big Data Ecosystem that contains fast in-memory tools (e.g. data.table) and distributed...

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2 Months in 2 Minutes – rOpenSci News, August 2019

2 Months in 2 Minutes – rOpenSci News, August 2019

rOpenSci HQ rOpenSci received a $678K award from the Sloan Foundation to expand Software Peer Review. We are hiring for a new position in statistical software testing and peer review. Join our...

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Insurance data science : Text

August 14, 2019
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Insurance data science : Text

At the Summer School of the Swiss Association of Actuaries, in Lausanne, I will start talking about text based data and NLP this Thursday. Slides are available online Ewen...

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Prepping data for #rstats #tidyverse and a priori planning

August 14, 2019
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Prepping data for #rstats #tidyverse and a priori planning

Many if not most data clean up, tidying, wrangling, and joining can be done directly in R. There are many advantages to this approach – i.e. read in data...

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Using the lpSolve package in R to optimise an electricity system

August 14, 2019
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Using the lpSolve package in R to optimise an electricity system

Reducing carbon emissions is maybe the world's most pressing challenge at the moment. One obvious avenue for action is the reduction of carbon emissions from electricity generation, which are...

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What is vtreat?

August 14, 2019
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What is vtreat?

vtreat is a DataFrame processor/conditioner that prepares real-world data for supervised machine learning or predictive modeling in a statistically sound manner. vtreat takes an input DataFrame that has a...

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Plotting Pairs (GC4W6HJ)

August 14, 2019
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Plotting Pairs (GC4W6HJ)

Planning for a trip to Cornwall, I was churning through some mysteries there, largely picking them at random from the map. I worked my way through this one by...

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