The Return of Free Data and Possible Volatility Trading Subscription

October 23, 2017
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The Return of Free Data and Possible Volatility Trading Subscription

This post will be about pulling free data from AlphaVantage, and gauging interest for a volatility trading subscription service. So … Continue reading →

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14 data science Jobs for R users from around the world (2017-10-23)

October 23, 2017
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14 data science Jobs for R users from around the world (2017-10-23)

To post your R job on the next post Just visit  this link and post a new R job  to the R community. You can post a job for  free  (and there are...

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„One function to rule them all“ – visualization of regression models in #rstats w/ #sjPlot

October 23, 2017
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„One function to rule them all“ –  visualization of regression models in #rstats w/ #sjPlot

I’m pleased to announce the latest update from my sjPlot-package on CRAN. Beside some bug fixes and minor new features, the major update is a new function, plot_model(), which...

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Economic time series data quiz as a shiny app for mobile phones

October 22, 2017
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Economic time series data quiz as a shiny app for mobile phones

Nowadays, a lot of interesting time series data is freely available that allows us to compare important economic, social and environmental trends across countries. I feel that one can learn...

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Who knew likelihood functions could be so pretty?

October 22, 2017
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Who knew likelihood functions could be so pretty?

I just released a new iteration of simstudy (version 0.1.6), which fixes a bug or two and adds several spline related routines (available on CRAN). The previous post focused...

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Demo Week: class(Monday) <- tidyquant

Demo Week: class(Monday) <- tidyquant

We’ve got an exciting week ahead of us at Business Science: we’re launching our first ever Business Science Demo Week. Every day this week we are demoing an R...

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linl 0.0.1: linl is not Letter

October 22, 2017
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linl 0.0.1: linl is not Letter

Aaron Wolen and I are pleased to announce the availability of the initial 0.0.1 release of our new linl package on the CRAN network. It provides a simple-yet-powerful...

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A Call to Tweets (& Blog Posts)!

October 22, 2017
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A Call to Tweets (& Blog Posts)!

Way back in July of 2009, the first version of the twitteR package was published by Geoff Jentry in CRAN. Since then it has seen 28 updates, finally breaking...

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Fragment – DIT4C – Docker Base Containers for Edu Remote Computing Labs

October 22, 2017
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Fragment – DIT4C – Docker Base Containers for Edu Remote Computing Labs

What’s an effective way of helping a student run a desktop application when their own computer won’t run the application, for whatever reason, locally? Virtualised software, running remotely, provides...

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Markets Performance after Election: Day 239

October 21, 2017
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Markets Performance after Election: Day 239

When I wrote the original post, I wasn’t planning on writing a follow-up. Certainly not the week after. But what a difference a week can make in a dynamic...

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Rick and Morty and Tidy Data Principles (Part 2)

October 21, 2017
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Rick and Morty and Tidy Data Principles (Part 2)

Motivation The first part left an open door to analyze Rick and Morty contents using tf-idf, bag-of-words or some other NLP techniques. Here I'm also taking a lot of ideas...

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RTutor: Pollution Reduction by Wind Energy

October 20, 2017
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RTutor: Pollution Reduction by Wind Energy

How much pollution reduction do we get from a MWh electricity produced by wind or solar power? In principle, this corresponds to the avoided pollution of a fossil fuel...

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An Updated History of R

October 20, 2017
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Here's a refresher on the history of the R project: 1992: R development begins as a research project in Auckland, NZ by Robert Gentleman and Ross Ihaka 1993: First...

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Install Useful Eclipse Plugins in Bio7 for R, Data Science and Programming

October 20, 2017
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Install Useful Eclipse Plugins in Bio7 for R, Data Science and Programming

20.10.2017 Beside a massive of amount of R packages and ImageJ plugins Bio7 can be extended with Eclipse plugins useful for data science and programming. Some of them could...

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Practical Machine Learning with R and Python – Part 3

October 20, 2017
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Practical Machine Learning with R and Python – Part 3

In this post ‘Practical Machine Learning with R and Python – Part 3’,  I discuss ‘Feature Selection’ methods. This post is a continuation of my 2 earlier posts Practical...

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Qualitative Research in R

October 20, 2017
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Qualitative Research in R

In the last two posts, I’ve focused purely on statistical topics – one-way ANOVA and dealing with multicollinearity in R. In this post, I’ll deviate from the pure statistical...

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Gold-Mining – Week 7 (2017)

October 19, 2017
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Week76 Gold Mining and Fantasy Football Projection Roundup now available. Go get that free agent gold! The post Gold-Mining – Week 7 (2017) appeared first on Fantasy Football Analytics.

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The R manuals in bookdown format

October 19, 2017
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While there are hundreds of excellent books and websites devoted to R, the canonical source of truth regarding the R system remains the R manuals. You can find the...

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County-Level Choropleth in Plotly and R

October 19, 2017
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At Plotly, we are commonly asked about thematic maps — especially county-level choropleth maps. This style of map provides a visual illustration of variation across a geographic area. Some pertinent uses...

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First steps with MRF smooths

October 19, 2017
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First steps with MRF smooths

One of the specialist smoother types in the mgcv package is the Markov Random Field (MFR) smooth. This smoother essentially allows you to model spatial data with an intrinsic...

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Quickly Install R on Ubuntu 17.10

October 19, 2017
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Motivation On a previous post I explained how to install R on Ubuntu 16.04 without further complications. Now here are the equivalent steps on Ubuntu 17.10. The presented script also installs...

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Ensemble learning for time series forecasting in R

October 18, 2017
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Ensemble learning for time series forecasting in R

Ensemble learning methods are widely used nowadays for its predictive performance improvement. Ensemble learning combines multiple predictions (forecasts) from one or multiple methods to overcome accuracy of simple prediction...

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Is it faster to take a bike or taxi in NYC?

October 18, 2017
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Is it faster to take a bike or taxi in NYC?

Taxis are plentiful and convenient in New York City, but the city is also served by a wide network of commuter bicycles (Citi Bikes). If you need to get...

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Writing Julia functions in R with examples

October 17, 2017
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Writing Julia functions in R with examples

By Gabriel Vasconcelos The Julia programming language is growing fast and its efficiency and speed is now well-known. Even-though I think R is the best language for Data Science,...

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Database Queries With R

October 17, 2017
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Database Queries With R

There are many ways to query data with R. This post shows you three of the most common ways: Using DBI Using dplyr syntax Using R Notebooks Background Several recent package improvements make it...

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splitting a field by annealing

October 17, 2017
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splitting a field by annealing

A recent riddle that I pondered about during a drive to Luxembourg last weekend was about splitting a square field into three lots of identical...

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Bio7 2.6 for MacOSX Released

October 17, 2017
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Bio7 2.6 for MacOSX Released

19.10.2017 I released a new version of Bio7 for MacOSX. (Screenshots: Bio7 with Dark theme enabled. Scrollbars are set to “When scrolling” in the preferences.) For an overview of...

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Bio7 2.6 for Windows and Linux Released

October 17, 2017
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Bio7 2.6 for Windows and Linux Released

17.10.2017 A new version of Bio7 for Windows and Linux is available. The MacOSX version will be released soon, too. The application Bio7 is an integrated development environment for...

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Astrostatistics school

October 17, 2017
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Astrostatistics school

What a wonderful week at the Astrostat summer school in Autrans! The setting was superb, on the high Vercors plateau overlooking both Grenoble and Valence , with...

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