In Displayr, Visualizations of chart type Column, Bar, Area, Line and Scatter all support trend lines. Trend lines can be linear or non-parametric (cubic spline,...
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In Displayr, Visualizations of chart type Column, Bar, Area, Line and Scatter all support trend lines. Trend lines can be linear or non-parametric (cubic spline,...
All data needs to be clean before you can explore and create models. Common sense, right. Cleaning data can be tedious but I created a function that will help....
A small feature release of our pinp package for snazzier one or two column vignettes get onto CRAN a little earlier. It offers two new options. Saghir Bashir addressed...
To post your R job on the next post Just visit this link and post a new R job to the R community. You can post a job for free (and there are...
I love it when researchers take the time to share their knowledge of the computational tools that they use. So first, let me point you at Environmental Computing, a...
R packages are widely used in science, yet the code behind them often does not come under scrutiny. To address this lack, rOpenSci has been a pioneer in developing...
Let’s celebrate #WorldEmojiDay with a quick exploration of my own twitter account. The 📦 We’ll need: From Github {emo} remote::install_github("hadley/emo") From CRAN {dplyr} {tidyr} {rtweet} {tidytext} Note: This page...
“We demonstrate HMC’s sensitivity to these parameters by sampling from a bivariate Gaussian with correlation coefficient 0.99. We consider three settings (ε,L) = {(0.16; 40); (0.16; 50); (0.15; 50)}”...
The problem pkgdown is an R package that can create a beautifully looking website for your own R package. Built and maintained by Hadley Wickham and his gang of prolific...
I’m pleased to announce that we released brand new content for our flagship course, Data Science For Business (DS4B 201). The latest content is focused on transitioning from modeling...
In summary: useR! the conference for users of R was held in Brisbane earlier this month it sounded like a lot of fun and here’s an analysis of tweets...
These include both global methods, which involve fitting a regression over the whole time series; and more flexible local methods, where we relax the constraint...
This year I had the chance to speak at two R-Ladies meetups (I might have invited myself to those meetups to make the most of being in town, create...
I am currently experiencing problems with getting my posts in full length on r-bloggers. You can continue here with reading in case only the first paragraph is rendered. One cool thing that...
I was trying to find an apt image to accompany this post, but googling “sleek and shiny” mostly brought up images of women with ridiculously, well, sleek and shiny...
A new maintenance release, now at version 0.9.11, of the RcppClassic package arrived earlier today on CRAN. This package provides a maintained version of the otherwise deprecated initial...
Hope you liked the Part 1 and Part 2 of this Series. In this Part 3, we will go through the tools used during the analyze phase of Six...
Given the vast amount of R packages available today, it makes sense (at least to me, as a trained economist) to ask a simple yet difficult question: How much...
I’ve blogged about how to use Amazon Athena with R before and if you are a regular Athena user, you’ve likely run into a situation where you prepare a...
![[Web2Day] Producing web content with R](https://colinfay.me/assets/img/web2day.png)
Earlier this week, my talk at the Web2Day conference was put online. Here is an english summary for those who don’t understand french :) Disclaimer: this talk has been...
In this short post, I talk about why I’m moving away from using function apply. With matrices It’s okay to use apply with a dense matrix, although you can...
Many users have tried to do a seasonal decomposition with a short time series, and hit the error “Series has less than two periods”. The problem is that the usual...
The data Standardize Effect of Standardization At a general level At a participant level ...
Stencila launches the first version of its (open source) word processor and spreadsheet editor designed for researchers. By Michael Aufreiter, Substance, and Aleksandra Pawlik and Nokome Bentley, Stencila Stencila...
Introduction During a recent negotiation of an informed consent form for use in a clinical trial, the opposing lawyer and I skirmished over the applicability of the Genetic Information...
In the first part of Introducing the Kernelheaping Package I showed how to compute and plot kernel density estimates on rounded or interval censored data using the Kernelheaping package....
Machine Learning (ML) is still an underdog in the field of economics. However, it gets more and more recognition in the recent years. One reason for being an underdog...
Mixture model A Gaussian mixture model is a probabilistic way of representing subpopulations within an overall population. We only observe the data, not the subpopulation from which observation belongs. We have $N$ random...
