June 2018

Running Python inside the RStudio Server IDE

June 28, 2018 | 0 Comments

A great many R users will have to run some python code from time to time, and this short video from our Head of Data Engineering, Mark Sellors outlines one approach you can take that doesn’t mean leaving the RStudio IDE. [Read more...]

Bias in high dimensional optimism corrected bootstrap procedure

June 28, 2018 | 0 Comments

I have been working in high dimensional analysis to predict drug response in rheumatoid arthritis patients and I was concerned to find the procedure called optimism corrected bootstrapping over-fits as p (number of features) increases. Optimism corrected bootstrapping is a way of trying to estimate the overfitting error of a ... [Read more...]

Formatted Correlation with Effect Size

June 27, 2018 | 0 Comments

Do a correlation APA formatted output Dataframe of Values Bayesian Correlation Contribute Credits Previous blogposts One of the most time-consuming part of data analysis in psychology is the copy-pasting of specific values of some R output to a manuscript or a report. This task is frustrating, prone to errors, and ... [Read more...]

Choroplethr v3.6.2 is now on CRAN

June 27, 2018 | 0 Comments

A new version of Choroplethr is now on CRAN! You can get it by typing the following from the R Console: [crayon-5b341e0528211012241032/] I encourage all... The post Choroplethr v3.6.2 is now on CRAN appeared first on AriLamstein.com.
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The Financial Times and BBC use R for publication graphics

June 27, 2018 | 0 Comments

While graphics guru Edward Tufte recently claimed that "R coders and users just can't do words on graphics and typography" and need additonal tools to make graphics that aren't "clunky", data journalists at major publications beg to differ. The BBC has been creating graphics "purely in R" for some time, ... [Read more...]

Finalfit now in CRAN

June 27, 2018 | 0 Comments

Your favourite package for getting model outputs directly into publication ready tables is now available on CRAN. They make you work for it! Thank you to all that helped. The development version will continue to be available from github. [Read more...]

tree.bins 0.1.1: Recategorization by Decision Tree Method

June 27, 2018 | 0 Comments

Overview I created tree.bins to provide users the ability to recategorize categorical variables, dependent on a response variable, by iteratively creating a decision tree for each of the categorical variables (class factor) and the selected response variable. The decision tree is created using rpart::rpart. You often encounter variables ... [Read more...]

New Course: Marketing Analytics in R

June 27, 2018 | 0 Comments

Course Description Here is a link to our new R course. This is your chance to dive into the worlds of marketing and business analytics using R. Day by day, there are a multitude of decisions that companies have to face. With the help of statistical... [Read more...]

New Project: A Visual History of Nobel Prize Winners

June 27, 2018 | 0 Comments

Project Description The Nobel Prize is perhaps the worlds most well known scientific award. Every year it is given to scientists and scholars in chemistry, literature, physics, medicine, economics, and peace. The first Nobel Prize was handed out in ... [Read more...]

Debug Java in Bio7

June 27, 2018 | 0 Comments

27.06.2018 In Bio7 R and Java code can be easily combined in the Bio7 platform. For instance to create Graphical User Interfaces in Java (with SWT or JavaFX), transfer image pixel/selection data from ImageJ and finally doing the analysis parts in R code/scripts which can be called from within ... [Read more...]

Game of Friendship Paradox

June 27, 2018 | 0 Comments

In the introduction of my course next week, I will (briefly) mention networks, and I wanted to provide some illustration of the Friendship Paradox. On network of thrones (discussed in Beveridge and Shan (2016)), there is a dataset with the network of characters in Game of Thrones. The word “friend” might ...
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One R Package a Day

June 27, 2018 | 0 Comments

Discover one R package a day by following the @RLangPackage account on Twitter! Inspired by One R Tip Day (@RLangTip) I created a Twitter bot that will feature one package with its description and GitHub URL each day. The R programming language (referred to as #rstats on Twitter) now has ...
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Joining Betting Data

June 26, 2018 | 0 Comments

This example will be using Betfair which we hope to add to fitzRoy in the future. Making it easier to compare Squiggle and maybe your own models vs the market! Step One Read in the Betfair Data The first step is just go to the betfair site and download the ... [Read more...]

Data wrangling operations with quantities

June 26, 2018 | 0 Comments

Compatibility with different workflows R base Tidyverse A note on data.table Future directions of units and errors Next steps [view raw Rmd] This is the third blog post on quantities, an R-Consortium funded pro... [Read more...]

Text-to-speech with R

June 26, 2018 | 0 Comments

Computers started talking to us! They do this with so called Text-to-Speech (TTS) systems. With neural nets, deep learning and lots of training data, these systems have gotten a whole lot better in recent years. In some cases, they are so good that you can’t distinguish between human and ... [Read more...]

Bayesian GANs [#2]

June 26, 2018 | 0 Comments

As an illustration of the lack of convergence of the Gibbs sampler applied to the two “conditionals” defined in the Bayesian GANs paper discussed yesterday, I took the simplest possible example of a Normal mean generative model (one parameter) with a logistic discriminator (one parameter) and implemented the scheme (during ...
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R in Finance highlights

June 26, 2018 | 0 Comments

The yearly R in Finance conference is one of my favorites: 1. Titans of the R community are there every year. This year the founder of Rstudio (but much more really), JJ Allaire was a keynote speaker. He gave a talk about Machine Learning with TensorFlow and R. 2. Single track. I ... [Read more...]
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