Lots of exciting things are happening with Draper and Dash at the moment. We have been working with key healthcare partners to design some core predictive machine learning algorithms to enable trusts to more effectively manage their performance, demand and capacity pressures. This series focuses on Stranded Patients and Super Stranded patients – these are...
Introduction Let’s say you want to write a function with optional functionality which is dependent on the installation of a package that your colleague may not have installed. For example, let’s say you want to have an option to return a data.table (or a tibble) instead of a data.frame, but in this case you don’t want to force your function’s...
Some days ago I read an article on dev.to, entitled something like “One week as a Software developer - what did I search?” (I can’t find back the link :( ). And then, I thought… hey, I should do that too! Getting the data You can download you...
rstudio::conf, the conference on all things R and RStudio, will take place January 29 and 30, 2020 in San Francisco, California, preceded by Training Days on January 27 and 28. We’ve received requests from a number of you for permission to submit talk/e-poster abstracts after the deadline (today, September 6). In response, we’re extending the deadline by a week for...
The UCSC Xena platform provides an unprecedented resource for public omics data from big projects like The Cancer Genome Atlas (TCGA), however, it is hard for users to incorporate multiple datasets or data types, integrate the selected data with popular analysis tools or homebrewed code, and reproduce analysis procedures. To address this issue, we developed an R package UCSCXenaTools for enabling...
I really like running simulation models before sporting events because they can give you a much greater depth of understanding of team performance compared to the ‘raw’ odds that you might get from the media or bookmakers, or the often varied opinions of different sports pundits. Yes, Ireland usually get knocked out in the Quarter … Continue reading Simulating...
tvthemes v1.0.0 is finally on CRAN! After a long summer of procrastination, useR Conference, soccer viz, etc. and a couple of back-and-forth submissions with CRAN to fix some issues, as of September 3rd you can finally: install...
Looking back at the coverage of the Chi-Square test of independence in the book there are a couple of things I wish I’d gone into greater depth on. First, resolving the debate on the appropriate way to handle small expected values in the test of independence. Second, expanding on residual analysis. First, the issue of
Our company have been at it again. This time from my colleagues and fellow Data Scientist Alfonso Portabales. For this post we look at Draper and Dash’s custom method of highlighting dominant predictors in your machine learning models: If you are interested in our solutions in healthcare then please contact [email protected] Additionally, we are also...
CSS is older than the hills, almost as old as HTML itself, but it provides dramatic improvements in style and sanity in your R Shiny applications. And it will save you time! In this post I’ll give you a quick overview of CSS; I’ll show you how to add CSS to R Shiny; and finally I’ll introduce you...
What does a modern analytics platform need to offer companies real added value? Without data, there are no data products or analyses! What sounds so banal is one of the most important requirements for modern analytical platforms: The possibility to connect various data sources and develop new use cases, data products and entire business models.
Statistical network models have become a popular exploratory data analysis tool in psychology and related disciplines that allow to study relations between variables. The most popular models in this emerging literature are the binary-valued Ising model...
Welcome to the 2019 Fantasy Football Season! Week 1 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 1 (2019) appeared first on Fantasy Football Analytics.
This past summer, I watched a brilliant lecture series by Richard McElreath on Bayesian statistics. It honestly changed my whole outlook on statistics, so I couldn’t recommend it more (plus, McElreath is an engaging instructor). One of the most compelling cases for using Bayesian statistics is with a collection of statistical tools called linear mixed models or multilevel/hierarchical models....
This note is a simple data wrangling example worked using both the Python data_algebra package and the R cdata package. Both of these packages make data wrangling easy through he use of coordinatized data concepts (relying heavily on Codd’s “rule of access”). The advantages of data_algebra and cdata are: The user specifies their desired transform … Continue reading Advanced...
Data Science beginners often encounter the same question: which programming language should one learn first? The choice usually falls on one of the two major providers, R or Python. With this blog article, we want to help you with the search for the right programming language for you. Der Beitrag R or Python erschien zuerst auf STATWORX.
gtree is a new R package that allows to specify extensive form games using stages, similar as one specifies economic experiments with ztree or otree. Let us specify a simple ultimatum game in gtree. A proposer can offer the responder between 0 and 10 ...
Easy data access: The advantages of a unique database connection with ODBC and DBI Every developer has his favorite tools and frameworks to work with when connecting to the database. The number of different front end and back end combinations increases the complexity of the analysis. Any Relational Database Management System (RDBMS) that needs its
udpipe is a beautiful R package for Text Analytics and NLP and helps in Topic Extraction. While most Text Analytics resources online are only about English, This post picks up a different lanugage - Tamil and fortuntely, udpipe has got a Tamil Language Model. Loading library(udpipe) Tamil Text Below is part extracted from a Tamil Movie Review text % ggplot() + geom_bar(aes(reorder(lemma,-n),n),...
Introduction How do you begin a career in analytics and data science? What’s the best way of learning R? Should I still bother with Excel? Arguably, these are some questions that you can gain more insights on by speaking to people than running mode...
A common business oriented data science task is to programatically craft and send custom emails. In this post, I will show how to accomplish this with R on the RStudio Connect platform (a paid product built for the enterprise) using the blastula package.blastula provides a set of functions for composing high-quality HTML e-mails that render across various e-mail clients,...
Raison d’être At Tychobra, like many consulting businesses, we have multiple projects for multiple clients being worked on by multiple developers. To keep everything tracked to double precision, and because we love the taste of dog food, we built o...
A new version of the snahelper package is now available on CRAN. If you do not now the package: So far, it included one RStudio addin that provided a GUI to analyze and visualize networks. Check out the introductory post for more details. This major...
This vignette builds on the making maps chapter of the Geocomputation with R book. Its goal is to demonstrate how to set and modify grids and graticules in the tmap package. Prerequisites The examples below assume the following packages are attached: library(spData) # example datasets library(tmap) # map creation (__=2.3) library(sf) # spatial data classes Grids and graticules The tmap package...
![Le Monde puzzle [#1109]](https://xianblog.files.wordpress.com/2015/10/lemondapari.jpeg?w=450&h=299&%23038;zoom=2)
A digital problem as Le Monde current mathematical puzzle: Noble numbers are such that they only involve different digits and are multiple of all their digits. What is the largest noble number? Hmmmm…. Brute force? Since the maximal number of digits is 10, one may as well try: k=soz=9 for (t in 1:1e3){ sol=1 while
This blog article is an explanation of sharing research code. It focuses on using the version control website Github and academic repository Zenodo.
tl; dr Transferring your Excel sheet to a Shiny app can be the easiest way to create an enterprise ready dashboard. In this post, I present 6 Shiny alternatives for the table-like data that Excel users love. Intro Excel has its limitations regarding advanced statistics and calculations, quality and version control, user experience and scalability. Article Forget about Excel,...
Note: When I started writing this blog post, I encountered a bug and filed a bug report that I encourage you to read. The responsiveness of the developer was exemplary. Not only did Zhuo solve the issue in record time, he provided ample code snippets to illustrate the solutions. Hats off to him! This blog post is a short presentation of {disk.frame} a...
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