October 2017

Stan Roundup, 27 October 2017

October 27, 2017 | Bob Carpenter

I missed two weeks and haven’t had time to create a dedicated blog for Stan yet, so we’re still here. This is only the update for this week. From now on, I’m going to try to concentrate on things that are done, not just in progress so ... [Read more...]

Stan Roundup, 27 October 2017

October 27, 2017 | Bob Carpenter

I missed two weeks and haven’t had time to create a dedicated blog for Stan yet, so we’re still here. This is only the update for this week. From now on, I’m going to try to concentrate on things that are done, not just in progress so ... [Read more...]

Microsoft R Open 3.4.2 now available

October 27, 2017 | David Smith

Microsoft R Open (MRO), Microsoft's enhanced distribution of open source R, has been upgraded to version 3.4.2 and is now available for download for Windows, Mac, and Linux. This update upgrades the R language engine to the latest R 3.4.2 and updates the bundled packages. MRO is 100% compatible with all R packages. ... [Read more...]

Substitute levels in a factor or character vector

October 27, 2017 | Sascha W.

I've been using the ggplot2 package a lot recently. When creating a legend or tick marks on the axes, ggplot2 uses the levels of a character or factor vector. Most of the time, I am working with coded variables that use some abbreviation of the "true" meaning (e.g. "f" ... [Read more...]

Analysing EARL Tweets from EARL Tweeps

October 26, 2017 | Mango Solutions

Adnan Fiaz With two out of three EARL conferences part of R history we’re really excited about the next EARL conference in Boston (only 1 week away!). This calls for an(other) EARL conference analysis, this time with Twitter data. Twitter is an amazingly rich data source and a great ... [Read more...]

A Useful Logical Shortcut in R

October 26, 2017 | jameshunterbr

While dealing with a small problem in which I needed a list of odd numbers, I remembered a shortcut that I’ve used for more than 30 years to reduce the typing and complication of logical tests — the “if…then” construct. … Continue reading →
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Analysing Cryptocurrency Market in R

October 26, 2017 | Abdul Majed Raja

Cryptocurrency market has been growing rapidly that being an Analyst, It intrigued me what does it comprise of. In this post, I’ll explain how can we analyse the Cryptocurrency Market in R with the help of the package coinmarketcapr. Coinmarketcapr package is an R wrapper around coinmarketcap API. To ...
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Two upcoming webinars

October 25, 2017 | David Smith

Two new Microsoft webinars are taking place over the next week that may be of interest: AI Development in Azure using Data Science Virtual Machines The Azure Data Science Virtual Machine (DSVM) provides a comprehensive development and production environment to Data Scientists and AI-savvy developers. DSVMs are specialized virtual machine ... [Read more...]

How long do you need to flip a coin to see a streak?

October 25, 2017 | dan

STREAK RESULTS FOR LIKELY (__50%) and HIGHLY LIKELY (__99%) Click to enlarge From research on the hot hand to the observation that people don’t create enough streaks when instructed to create pseudo random data, the decision science community is pretty interested in the perception of streaks. One day we got to ... [Read more...]

Robust IRIS Dataset?

October 25, 2017 | tomaztsql

This blog post was born out of pure curiosity about the robustness of the IRIS Dataset. Biological datasets do not need to be that big in comparison to datasets of customers, consumption, stock and anything that might be volatile. When still at the university, on one occasion I can remember, ...
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Create memes in R

October 25, 2017 | R on Guangchuang Yu

I developed a tiny toy package, meme, which is now on CRAN. As it’s name indicated, it was designed to create memes, which are captioned photos that are intended to be funny, riduculous. meme() The package is quite simple. You can use meme() function to add meme captions, and ...
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