We are pleased to announce a call for abstracts for presentations for this year’s London EARL (Effective Applications of the R Language) Conference – 13th – 15th September 2016 Abstracts should be submitted online; the deadline for submissions is the … Continue reading → [Read more...]

My traditional work flow for embedding R graphics into a blog post has been via a PNG files that I upload online. However, when I created a ‘simple’ graphic with only basic curves and triangles for a recent post, I noticed that the PNG output didn’t look as crisp ... [Read more...]

[Read more...]

by Przemyslaw Biecek The first meeting of R users in Poland took place in Wroclaw in 2008. It was a one-day conference with 27 participants and 6 talks. Today, we have three large groups of R users in major Polish cities (according to meetup.com there is 640 users in SER - Warsaw, 235 in ... [Read more...]

[Read more...]

Hi there :) This new package -install.packages("funModeling")- tries to cover with simple concepts common tasks in data science. Written like a short tutorial, its focus is on data interpretation and analysis. Below, you'll find a copy-paste... [Read more...]

Hi there :) This new package -install.packages("funModeling")- tries to cover with simple concepts common tasks in data science. Written like a short tutorial, its focus is on data interpretation and analysis. Below, you'll find a copy-paste... [Read more...]

If you have a database of credit-card transactions with a small percentage tagged as fraudulent, how can you create a process that automatically flags likely fraudulent transactions in the future? That's the premise behind the latest Data Science Deep Dive on MSDN. This tutorial provides a step by step to ... [Read more...]

I previously wrote about some ad hoc R code for downloading Option Chain data from Google Finance. I finally wrapped it up into a package called flipsideR, which is now available via GitHub. Since I last wrote on this topic I've also added support for downloading option data from the ... [Read more...]

Pathway Commons is an aggregation of public pathway databases and provides infrastructure for querying this rich dataset. Pathway Commons databases include: BIND, BioGRID, CORUM, CTD, DIP, DrugBank, HPRD, HumanCyc, IntAct, KEGG, MirTarBase, Panther, PhosphoSitePlus, Reactome, RECON, TRANSFAC. paxtoolsr is a package that builds on the strengths of Pathway Commons and ... [Read more...]

Recently, I received an email from Florian Heiss, Professor and Chair of Statistics and Econometrics at the Henrich Heine University of Dusseldorf.He wrote: "I'd like to introduce you to a new book I just published that might be of interest to you: Using R for Introductory Econometrics. The goal: ... [Read more...]

Recently, I received an email from Florian Heiss, Professor and Chair of Statistics and Econometrics at the Henrich Heine University of Dusseldorf.He wrote:"I'd like to introduce you to a new book I just published that might be of interest to you: Using R for Introductory Econometrics.The goal: ... [Read more...]

Below are 15 charts made in Plotly or using Ploty’s APIs by users on Brand and consumer Research. 1. So what if I’m old – Brand choices for Age __ 60 Chart Link: https://plot.ly/~snawel/80/brand-choices-for-age-60/ Chart Author: @ snawel Touched up in: Plotly online editor Code: Python code R Code 2. DND, ... [Read more...]

I recently had a chunk of leave, and I thought that a good use of my time would be to read “An Introduction to Generalized Linear Models”, by Annette J. Dobson and Adrian G. Barnett (2008). My statistical background is somewhat haphazard, so this b... [Read more...]

While looking for a interesting Machine Learning exercise I decided to go along with credit scoring exercise. I want to know what kind of information influences the decision for giving someone credit (or not). Typically, a bank would ask you to fill in some kind of assesment form with question ... [Read more...]

Today we’re practising functions! In the exercises below, you’re asked to write short R scripts that define functions aimed at specific tasks. The exercises start at an easy level, and gradually move towards slightly more complex functions. Answers to the exercises are available here. If you obtained a ... [Read more...]

In a post a few months ago I built a new ggplot2 statistical transformation (“stat”) to provide X13-SEATS-ARIMA seasonal adjustment on the fly. With certain exploratory workflows this can be useful, saving on a step of seasonally adjusting many different slices and dices of a multi-dimensional time series during ... [Read more...]

Last call for registration of the course on Advanced R programming topics. Next week on February 17/18, the yearly R course on Advanced R programming topics in Leuven (Belgium) is scheduled. Registration can be done at https://lstat.kuleuven.be/training/coursedescriptions/AdvancedprogramminginR.html. The course is rewritten based on 3 years ... [Read more...]

Reproducible research is a topic that people like to talk about these days. Thinking about reproducible research and learning the important tools is what improved my work more than anything. Not in a sense that my results got better. More in a sense that my feeling about the work got ... [Read more...]

​IntroductionImage classification is one important field in Computer Vision, not only because so many applications are associated with it, but also a lot of Computer Vision problems can be effectively reduced to image classification. The state of art tool in image classification is Convolutional Neural Network (CNN). In this article, ... [Read more...]