For all you Rubyists out there, here is a great talk from the recent Ruby Conf 2013 that took place in Miami Beach on Nov. 8-10 – Thinking About Machine Learning with Ruby by Bryan Liles. Not sure where to cluster or where to classify? Have you seen a linear regression lately? Every wanted to […]
As a data scientist, I should believe in the value of surveys and other data collection mechanisms. In the case IT industry surveys, I’m not convinced how accurately the respondents report their reality while rushing through online surveys. So taking the results with a grain of salt, I found an intriguing article appearing in Forbes: The State of Big Data: What The Surveys Say.
Hiring a data scientist is on the agenda for many companies these days, and the job market for this new profession is exploding. But interviewing data scientists is hard. The tech press sporadically publishes “best” interview questions that are nothing less than cringe-worthy.
A new research paper appearing in the PLOS ONE journal uses data analytics for a very unique purpose – to untangle the origins of one of the world’s best-known stories — the tale of Little Red Riding Hood. The paper is called “The Phylogeny of Little Red Riding Hood” by Durham University anthropologist Jamshid Tehrani. […]
When does Linear Algebra meet Broadway Musical? Well, just about never, except now with this beautiful piece sung by Gurdeep Stephens. The mathematical theory follows the song. What a way to learn an important component of machine learning. Singular Value Decomposition (SVD) plays an integral role in Principal Component Analysis (PCA), an unsupervised learning technique, […]