Simplifying World Tile Grid Creation with geom_wtg()
Nowadays (I’ve seen that word used so much in journal articles lately that I could not resist using it) I’m using world tile grids more frequently as the need arises...continue reading.
Monthly Archive: August 2018
Statistics Sunday: Visualizing Regression
Statistics Sunday: Visualizing RegressionI had some much needed downtime this weekend, after an exhausting week, along with some self-care – Saturday I had a one-hour deep tissue massage, which left...continue reading.
Final update on unbiased smoothing
Hi, Two years ago I blogged about couplings of conditional particle filters for smoothing. The paper with Fredrik Lindsten and Thomas Schön has just been accepted for publication at JASA, and the arXiv...continue reading.
Getting Started With Python For Trading
By Shagufta Tahsildar Python, a programming language which was conceived in the late 1980s by Guido Van Rossum, has witnessed humongous growth, especially in the recent years due to its...continue reading.
Specalize in Geo-Spatial Visualizations With Leaflet – Part 1: Exercises
Leaflet is a JavaScript library for interactive maps. It is widely used across many platforms, and fortunately it is also implemented as a very user-friendly R package! With leaflet, you...continue reading.
Zero-Inflated Poisson and Negative Binomial Models with GLMMadaptive
Clustered/Grouped Count DataOften cluster/grouped count data exhibit extra zeros and over-dispersion. To account for these features, Poisson and negative binomial mixed effects models with an extra zero-inflation part are used....continue reading.
R Weekly 2018-35 rstudio::conf, plotly
Hello and welcome to this new issue! rstudio::conf(2019) contributed talks & e-posters plotly-book Project-oriented workflow Constructing a Data Analysis How to self-publish a book rstudio::conf(2019) contributed talks & e-posters Facebook...continue reading.
Save the date: tidyverse developer day
Save the date ? On the Saturday following rstudio::conf, we’ll be holding our first ever tidyverse developer day, and you’re invited! So, if you’re interested, plan on being in Austin...continue reading.
July 2018: Top 40 New Packages
July was a big month for submitting new packages to CRAN; by my count, 251 unique and truly new packages were accepted. In addition to quantity, I was pleased to...continue reading.
Adjacent-Categories and Continuation-Ratio Logit Models for Ordinal Outcomes
In the previous post (https://statcompute.wordpress.com/2018/01/28/modeling-lgd-with-proportional-odds-model), I’ve shown how to estimate a standard Cumulative Logit model with the ordinal::clm function and its use case in credit risk models. To better a...continue reading.
Generating images with Keras and TensorFlow eager execution
Generative adversarial networks (GANs) are a popular deep learning approach to generating new entities (often but not always images). We show how to code them using Keras and TensorFlow eager...continue reading.
Generating images with Keras and TensorFlow eager execution
Generative adversarial networks (GANs) are a popular deep learning approach to generating new entities (often but not always images). We show how to code them using Keras and TensorFlow eager...continue reading.
Simulating NXN dimensional Gaussian clusters in R
Gaussian clusters are found in a range of fields and simulating them is important as often we will want to test a given class discovery tools performance under conditions where...continue reading.
What, No Parentheses?
I’m about to show you an R trick. Various readers may find it cool, useful and interesting, or stupid, useless and an evil deed undermining the sanctity of R’s functional...continue reading.
Datazar R/Python Scripts Now Executable
R and Python scripts you upload or create on Datazar are now executable.R files with an .r or .rscript and Python files with .pyextensions will be active for running. You can now analyze...continue reading.
The Chartmaker Directory: Data visualizations in every tool
Working with a new data visualization tool, and wondering how to create a specific type of chart? The Chartmaker Directory (designed by Andy Kirk) indexes more than 35 tools and...continue reading.
Friday #rstats twofer: Finding macOS 32-bit apps & Processing Data from System Commands
Apple has run the death bell on 32-bit macOS apps and, if you’re running a recent macOS version on your Mac (which you should so you can get security updates)...continue reading.
CodeR: an LSTM that writes R Code
Everybody talks about them, many people know how to use them, few people understand them: Long Short-Term Memory Neural Networks (LSTM). At STATWORX, with the beginning of the hype around...continue reading.
Couplings of Normal variables
Hi, Just to play a bit with the gganimate package, and to celebrate National Coupling Day, the above plot shows different couplings of two univariate Normal distributions, Normal(0,1) and Normal(2,1)....continue reading.
