Learn how to take a closer look at Value Added Monthly Index with this simple hedge fund hack using a logarithmic chart axis.
Web-scraping within the R environment on a Mac has changed since I last discussed it. Here’s an update on RSelenium for Mac introducing Docker as a simple way to run Selenium 3 and the necessary Gekko and Chrome drivers.
We are going to play around with a mixture distribution. A wider distribution is “polluting” a narrower distribution. We will show that mean absolute deviation is a more efficient estimator of dispersion than standard deviation.
Here’s a useful little R mixture distribution function. I give you the code, show how it works, and give some examples.
How to measure the dissimilarity of observations for sparse numerical data – a novel approach using weighted symmetric and asymmetric binary distances.