October 2015

Introducing the dplyrXdf package

October 20, 2015 | Hong Ooi

The dplyr package is a popular toolkit for data transformation and manipulation. Over the last year and a half, dplyr has become a hot topic in the R community, for the way in which it streamlines and simplifies many common data manipulation tasks. Out of the box, dplyr supports data ... [Read more...]

Rblpapi 0.3.1

October 20, 2015 | Thinking inside the box

The first update to the Rblpapi package since the initial CRAN upload in August is now available. Rblpapi connects R to the Bloomberg system, giving access to a truly vast array of time series data and custom calculations. This release brings a new b... [Read more...]

Happy World Statistics Day 2015!

October 20, 2015 | Mango Blogger

By Paulin Shek Today is World Statistics Day . In celebration of this, here are my top 5 examples of fun applications of statistics. 1. The British Medical Journal publishes a Christmas edition every year. My favourite article dates back … Continue reading → [Read more...]

R and the Nobel Prize API

October 20, 2015 | nsaunders

The Nobel Prizes. Love them? Hate them? Are they still relevant, meaningful? Go on admit it, you always imagined you would win one day. Whatever you think of them, the 2015 results are in. What’s more, the good people of the Nobel Foundation offer us free access to data via ...
[Read more...]

forecast package v6.2

October 20, 2015 | R on Rob J Hyndman

It is a while since I last updated the CRAN version of the forecast package, so I uploaded the latest version (6.2) today. The github version remains the most up-to-date version and is already two commits ahead of the CRAN version. This update is mostly bug fixes and additional error traps. ... [Read more...]

forecast package v6.2

October 20, 2015 | Rob J Hyndman

It is a while since I last updated the CRAN version of the forecast package, so I uploaded the latest version (6.2) today. The github version remains the most up-to-date version and is already two commits ahead of the CRAN version. This update is mostly bug fixes and additional error traps. ... [Read more...]

QuantumPlots with ggplot2 and spatstat

October 19, 2015 | spatialRecology - r

Overview Introduction Function Introduction Lately, I was plotting a lot of spatial statistic functions, comparing them and trying to make a sense out of them. To facilitate the procedure I wrote the following function to create a plot for the spatstat class ‘fv’, combined with ‘Quantum Plots’ from: Esser, D. ... [Read more...]

Finding multiple roots of univariate functions in R

October 19, 2015 | joftius

In this post I describe some methods for root finding in R and the limitations of these when there is more than one root. As an example consider the following function Here the function is plotted and we can see it has two roots on this interval. Perhaps the most ...
[Read more...]

Preview of EARL Boston, November 2-4

October 19, 2015 | David Smith

I'm honoured to be giving the opening keynote at the Effective Applications of R Conference (EARL) Conference in Boston on November 2. My presentation will be on the business economics and opportunity of open source data science, with a focus on applications that are now possible given the convergence of big ... [Read more...]

Blogging with Rmarkdown, knitr, and Jekyll

October 19, 2015 | Brendan Rocks >> R

Blogs are some of the best R resources available. However, the paths to an efficient data-blogging workflow are many and perilous! This post walks through how I got the process down to two commands, with the forked teachings of Yihui Xie (… and how you can, too). Those two commands in ... [Read more...]

Visualising The Evolution Of Migration Flows With rCharts

October 19, 2015 | aschinchon

Heaven we hope is just up the road (Atlas, Coldplay) Following with the analysis of migration flows, I have done next two visualizations. These charts are called bump charts and are very suitable to represent rankings. This is what I have done: Obtaining top 20 countries of the world according to % ...
[Read more...]

Sodium: A Modern and Easy-to-Use Crypto Library

October 18, 2015 | Jeroen Ooms

This week a new package called sodium was released on CRAN. This package implements bindings to libsodium: a modern, easy-to-use software library for encryption, decryption, signatures, password hashing and more. Libsodium is actually a portable fork of Daniel Bernstein’s famous NaCL crypto library, which provides core operations needed to ...
[Read more...]

Modelling Dependence with Copulas in R

October 18, 2015 | Michy Alice

A copula is a function which couples a multivariate distribution function to its marginal distribution functions, generally called marginals or simply margins. Copulas are great tools for modelling and simulating correlated random variables. The main appeal of copulas is that by using them you can model the correlation structure and ... [Read more...]

Trying to optimize

October 18, 2015 | Wingfeet

I wanted to try some more machine learning. On Kaggle there is a competition How Much Did It Rain? II. This is quite a bigger data set than Titanic. To quote from Kaggle:Rainfall is highly variable across space and time, making it notoriously tricky to measure. Rain gauges can ... [Read more...]

Trying to optimize

October 18, 2015 | Wingfeet

I wanted to try some more machine learning. On Kaggle there is a competition How Much Did It Rain? II. This is quite a bigger data set than Titanic. To quote from Kaggle:Rainfall is highly variable across space and time, making it notoriously tricky t... [Read more...]
1 … 4 5 6 7 8 … 13

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)