Inspired by the conference held in Amsterdam „R in Insurance”, we would like to dedicate the November meetup of Warsaw R Users Group to Insurance. The presentations will cover the practical aspects of insurance and more specifically the applications of R in insurance. Join us on Thursday, November 26, 2015, 6:00 PM, Koszykowa 75, ... [Read more...]

If you search the hashtag, #phylomoji, in twitter, you can find many creative phylogenetic tree constructed with emoji. #phylomoji with Darwin's water bears! @OxyEvo 🌱 🐟 🐻 🐋 | | |_____| | |_____| |_____| | Read More: 744 Words Totally [Read more...]

In the last weeks I have actively worked on text2vec (formerly tmlite) - R package, which provides tools for fast text vectorization and state-of-the art word embeddings. This project is an experiment for me - what can a single person do in a particular area? After these hard weeks, ... [Read more...]

In the last weeks I have actively worked on text2vec (formerly tmlite) - R package, which provides tools for fast text vectorization and state-of-the art word embeddings. This project is an experiment for me - what can a single person do in a particular area? After these hard weeks, ... [Read more...]

Sometimes we force our categories to be mutually exclusive and exhaustive even as the boundaries are blurring rapidly. Of course, I am speaking of cluster analysis and whether it makes sense to force everyone into one and only one of a set of discrete boxes. Diversity is diverse and requires ... [Read more...]

Sometimes we force our categories to be mutually exclusive and exhaustive even as the boundaries are blurring rapidly.Of course, I am speaking of cluster analysis and whether it makes sense to force everyone into one and only one of a set of discrete b... [Read more...]

By Hannah Evans “By 2018, the United States will experience a shortage of 190,000 skilled data scientists and 1.5 million managers and analysts capable of reaping actionable insights from the big data deluge.” (McKinsey) The ‘data scientist’: an increasingly valuable, … Continue reading → [Read more...]

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"Who do we think will rise if Assad falls?""Do we have a “government in a box” that we think we can fly to Damascus and put into power if the Syrian army collapses, the regime falls and ISIS approaches the capital?""Have we forgotten the lesson of “Animal Farm”? ... [Read more...]

A couple of months back I talked at the launch of the Trial series on the Stepped Wedge Designed, on which I have worked together with a number of colleagues at UCL and LSHTM. Jennifer, who's one of the authors of the series and is doing her PhD on this ... [Read more...]

A couple of months back I talked at the launch of the Trial series on the Stepped Wedge Designed, on which I have worked together with a number of colleagues at UCL and LSHTM. Jennifer, who's one of the authors of the series and is doing her ... [Read more...]

Leaflet is an JavaScript library for building interactive maps. RStudio released a package that allows us to build these maps in R! You can do some really cool things in Leaflet, and I will demonstrate a few of those below. Leaflet is compatible with Shiny apps and R Markdown documents. ... [Read more...]

A couple of months back I talked at the launch of the Trial series on the Stepped Wedge Designed, on which I have worked together with a number of colleagues at UCL and LSHTM. Jennifer, who’s one of the authors of the series and is doing her PhD on ... [Read more...]

Introduction I was watching a video of David Suzuki being interviewed on Australian TV, and there were some questions about the “pause” in temperature in the GISS dataset. I thought I’d like to check for myself, and reasoned that I may as well update the giss dataset in the ... [Read more...]

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This entry is part 18 of 18 in the series Using RSeattle’s Pronto bikeshare system recently announced a Data Challenge for data visualization using their first year of trip data. As avid cyclists and data analysis junkies, we of course took …   read more ... [Read more...]

I've just been looking at the historical relationship between the London Interbank Offered Rate (LIBOR) and government bond yields. LIBOR data can be found at Quandl and comes in CSV format, so it's pretty simple to digest. The bond data can be sourced from the US Department of the Treasury. ... [Read more...]

Variable importance graphs are great tool to see, in a model, which variables are interesting. Since we usually use it with random forests, it looks like it is works well with (very) large datasets. The problem with large datasets is that a lot of features are ‘correlated’, and in that ... [Read more...]

Diversity is a real strength. By now it is common knowledge. I often see institutions openly encourage multinational environment and multidisciplinary professionals, with specific “on-the-job” training to tailor for own needs. No one knows a lot about a lot, so bringing different together enhance independent thinking and knowledge available to ... [Read more...]