2018

Animated River Flow Revisited

October 12, 2018 | AdventuresInData

My prior post on animated flow in the Delaware River contained the last work I performed on my previous lap top just before it gave up the ghost.  When a colleague asked me to share it, I was distressed to realize that the script was lost.  I decided to recreate ... [Read more...]

Animated River Flow Revisited

October 12, 2018 | AdventuresInData

My prior post on animated flow in the Delaware River contained the last work I performed on my previous lap top just before it gave up the ghost.  When a colleague asked me to share it, I was distressed to realize that the script was lost.  I decided to recreate ... [Read more...]

The Economist’s Big Mac Index is calculated with R

October 12, 2018 | David Smith

The Economist's Big Mac Index (also described on Wikipedia if you're not a subscriber) was created (somewhat tongue-in-cheek) as a measure to compare the purchasing power of money in different countries. Since Big Macs are available just about everywhere in the world, the price of a Big Mac in Sweden — ... [Read more...]

Modeling Airbnb prices

October 12, 2018 | Caroline Barret

In this post we’re going to model the prices of Airbnb appartments in London. In other words, the aim is to build our own price suggestion model. We will be using data from http://insideairbnb.com/ which we collected in April 2018. This work is inspired from the Airbnb price ...
[Read more...]

Review: Excel TV’s Data Science with Power BI and R

October 12, 2018 | George Mount

I have had a long history with Excel TV and, like Excel TV (and Excel itself) the channel has changed over the years. Gone are their regular live-streaming interviews with leading Excel authorities. Excel TV’s main product is now online courses. These are pre-recorded classes taught by the same ...
[Read more...]

binb 0.0.3: Now with Monash

October 12, 2018 | Thinking inside the box

The third release of the binb package just arrived on CRAN, and it comes with a new (and very crispy) theme: Monash. With that we are also thrilled to welcome Rob Hyndman as a co-author. Here is a quick demo combining all (by now four) themes: Also,... [Read more...]

Writing Code to Read Quotes About Writing Code

October 11, 2018 | George Mount

A recent project of mine has been setting up a Twitter bot on innovation quotes. I enjoy this project because in addition to curating a great set of content and growing an audience around it, I have also learned a lot about coding. From web scraping to regular expressions to ...
[Read more...]

How R gets built on Windows

October 11, 2018 | David Smith

I wasn't at the Use of R in Official Statistics (uRos2018) conference in the Netherlands last month, but I'm thankful to Jeroen Ooms for sharing the slides from his keynote presentation. In addition to being a postdoc staffer at ROpenSci, Jeroen maintains the official repository for the daily R builds ... [Read more...]

Monte Carlo techniques to create counterfactuals

October 11, 2018 | arthur charpentier

In the previous STT5100 course, last week, we’ve seen how to use monte carlo simulations. The idea is that we do observe in statistics a sample , and more generally, in econometrics . But let’s get back to statistics (without covariates) to illustrate. We assume that observations are realizations of ... [Read more...]

Optimize your R Code using Memoization

October 11, 2018 | INWT-Blog-RBloggers

This article describes how you can apply a programming technique, called Memoization, to speed up your R code and solve performance bottlenecks. Wikipedia says: In computing, […] memoisation is an optimization technique used primarily to speed up computer programs by storing the results of expensive function calls and returning the cached ... [Read more...]

Update to GetLattesData

October 11, 2018 | Marcelo S. Perlin

- Last year I released package GetLattesData. This package is very handy for anyone that researches bibliometric data of Brazilian scholars. You could easily import the whole academic history of any researcher registered at the p... [Read more...]

digest 0.6.18

October 10, 2018 | Thinking inside the box

Earlier today, digest version 0.6.18 arrived on CRAN. It will get uploaded to Debian in due course. digest creates hash digests of arbitrary R objects (using the md5, sha-1, sha-256, sha-512, crc32, xxhash32, xxhash64 and murmur32 algorithms) permitt... [Read more...]

Update to GetLattesData

October 10, 2018 | R on msperlin

Last year I released GetLattesData. This package is very handy for anyone that researches bibliometric data of Brazilian scholars. You could easily import the whole academic history of any researcher registered at the platform. More details about Lattes and GetLattesData in the this post. However, a couple months ago CNPQ ... [Read more...]

Le Monde puzzle [#1070]

October 10, 2018 | xi'an

Rewording Le Monde mathematical puzzle  fifth competition problem For the 3×3 tables below, what are the minimal number of steps to move from left to rights when the yellow tokens can only be move to an empty location surrounded by two other tokens? In the 4×4 table below, there are 6 green tokens. ...
[Read more...]

Some R Guides: tidyverse and data.table Versions

October 10, 2018 | John Mount

Saghir Bashir of ilustat recently shared a nice getting started with R and tidyverse guide. In addition they were generous enough to link to Dirk Eddelbuette’s later adaption of the guide to use data.table. This type of cooperation and user choice is what keeps the R community vital. ...
[Read more...]
1 … 35 36 37 38 39 … 174

Copyright © 2022 | MH Corporate basic by MH Themes

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)