Calculating ACF with Data Step Only
In SAS/ETS, it is trivial to calculate ACF of a time series with ARIMA procedure. However, the downside is that, in addition to ACF, you will get more outputs than...continue reading.
R News from another blog for R community
Estimate Quasi-Binomial Model with GENMOD Procedure in SAS
In my previous post (https://statcompute.wordpress.com/2015/11/01/quasi-binomial-model-in-sas/), I’ve shown why there is an interest in estimating Quasi-Binomial models for financial practitioners and how to estimate with GLIMMIX procedure in SAS. In the...continue reading.
Box Plot as Goal Post
For as long as I have been working with water data, I wanted to construct a line graph superimposed on a box and whisker plot where the boxes show the...continue reading.
Shiny JavaScript Tutorials
We are happy to announce a new series of tutorials that will take your Shiny apps to the next level. In the tutorials, Herman Sontrop and Erwin Schuijtvlot of FRISS...continue reading.
ShinyDevCon videos now available
This past January, we held the first ever Shiny Developer Conference. It was a chance to gather together a group of intermediate to advanced Shiny users, and take their skills...continue reading.
Using Graphframes for Social Recommendation
[This post is a draft for Table.co technical blog]Graphs can be used as proper data structure in many applications from marketing data to social networks. It is amazing how representing...continue reading.
RTCGA factory of R packages – Quick Guide
Yesterday we have been delivered with the new version of R – R 3.3.0 (codename Supposedly Educational). This enabled Bioconductor (yes, not all packages are distributed on CRAN) to release...continue reading.
A wild dataset has appeared! Now what?
Where do we start when we stumble across a dataset we don’t know much about? Lets say one where we don’t necessarily understand the underlying generative process for some or...continue reading.
A More Flexible Ljung-Box Test in SAS
Ljung-Box test is an important diagnostic to check if residuals from the time series model are independently distributed. In SAS / ETS module, it is easy to perform Ljung-Box with...continue reading.
Register now for Hadley Wickham’s Master R in Amsterdam
On May 19 and 20, 2016, Hadley Wickham will teach his two day Master R Developer Workshop in the centrally located European city of Amsterdam. This is the first time...continue reading.
Bad Neighbours (no, not the movie)
Another day, another compulsion to see if I can do any better than someone’s solution. This one also comes from the FiveThiryEight Puzzler challenge courtesy of Xi’an The original challenge...continue reading.
testthat 1.0.0
testthat 1.0.0 is now available on CRAN. Testthat makes it easy to turn your existing informal tests into formal automated tests that you can rerun quickly and easily. Learn more...continue reading.
The Life-Changing Magic of Tidying Text
When I went to the rOpenSci unconference about a month ago, I started work with Dave Robinson on a package for text mining using tidy data principles. What is this...continue reading.
Interactions between Categorical Variables in Mixed Graphical Models
In a previous post we estimated a Mixed Graphical Model (MGM) on a dataset of mixed variables describing different aspects of the life of individuals diagnosed with Autism Spectrum Disorder,...continue reading.
SAS Macro Performing Breusch–Godfrey Test for Serial Correlation
%macro bgtest(data = , r = , x = , order = 1); ********************************************************************; * SAS MACRO PERFORMING BREUSCH-GODFREY TEST FOR SERIAL CORRELATION *; * BY FOLLOWING THE LOGIC OF...continue reading.
Solving Inequality (the math kind)
This neat approach showed up recently as an answer to a FiveThirtyEight puzzle and of course I couldn’t help but throw it at dplyr as soon as I could. Turns...continue reading.
Explicit semantic analysis with R
Explicit semantic analysis (ESA) was proposed by Gabrilovich and Markovitch (2007) to compute a document position in a high-dimensional concept space. At the core, the technique compares the terms of...continue reading.
A simple proof that the p-value distribution is uniform when the null hypothesis is true
[Scroll to graphic below if math doesn’t render for you]Thanks to Mark Andrews for correcting some crucial typos (I hope I got it right this time!). Thanks also to Andrew...continue reading.
Learning R for Data Visualization [Video]
Last year Packt asked me to develop a video course to teach various techniques of data visualization in R. Since I love the idea of video courses and tutorials, and...continue reading.
Map of the Windows Fonts Registered with R
If you already found package extrafont then you probably found how to load and use Windows fonts in R visualizations. But just in case, everything to get started with extrafont is found here and...continue reading.
