2020-02-19 · techcrunch.com

Getting to the root of the revenue multiple | TechCrunch

Valuation concerns are top of mind for many investors. For those in tech investing, this concern is perhaps most acute, given the generally high multiples assigned to the sector. There are good articles addressing how revenue multiples have moved over time or why this…

2020-02-19 · datasciencecentral.com

List of Time Series Methods in One Picture - DataScienceCentral.com

The picture below was found in some tweets posted by top data science influencers, though its origin is somewhat obscure. Many of these methods are described in Wikipedia. Many are also described on Data Science Central, see for instance here and here. The image seems to be…

2020-02-19 · kdnuggets.com

Python String Processing Primer

Try this string processing primer cheatsheet to gain an understanding of using Python to manipulate and process strings at a basic level.

2020-02-19 · mlwhiz.com

Bayesian Bandits explained simply - MLWhiz

There are multiple ways to doing the same thing in Pandas, and that might make it troublesome for the beginner user.This post is about handling most of the data manipulation cases in Python using a straightforward, simple, and matter of fact way.

2020-02-19 · jacobbuckman.com

A Sober Look at Bayesian Neural Networks

by Carles Gelada and Jacob Buckman WARNING: This is an old version of this blogpost, and if you are a Bayesian, it might make you angry. Click here for an updated post with the same content. Context: About a month ago Carles asserted on Twitter that Bayesian Neural Networks…

2020-02-19 · catonmat.net

MIT Linear Algebra, Lecture 4: A=LU Factorization

This is the fourth post in an article series about MIT's Linear Algebra course. In this post I will review lecture four on factorizing a matrix A into a product of a lower-triangular matrix L and an upper-triangular matrix U, or in other words A=LU. The lecture also shows how to…

2020-02-19 · en.wikipedia.org

Reactance (psychology) - Wikipedia

In psychology, reactance is an unpleasant motivational reaction to offers, persons, rules, regulations, advice, or recommendations that are perceived to threaten or eliminate specific behavioral freedoms. Reactance occurs when an individual feels that an agent is attempting to…

2020-02-19 · bellingcat.com

Guide To Using Reverse Image Search For Investigations

Reverse image search is one of the most well-known and easiest digital investigative techniques, with two-click functionality of choosing “Search Google for image” in many web browsers. This method has also seen widespread use in popular culture, perhaps most notably in the MTV…

2020-02-19 · rickwierenga.com

Polynomial Regression from Scratch in Python

Machine learning is one of the hottest topics in computer science today. And not without a reason: it has helped us do things that couldn’t be done before like image classification, image generation and natural language processing. But all of it boils down to a really simple…

2020-02-19 · datasciencecentral.com

Data Science Graphs (without the code!) - DataScienceCentral.com

If you read my blog then you’ll probably realize there are a few data related topics that I could talk about for days. This blog dives into a tool called RAW Graphs, which solves for two of them, outlined below. We need to enable subject matter experts (SMES) to provide…

2020-02-19 · topbots.com

Top NLP Research Papers With Business Applications From ACL 2019

This year’s annual meeting of the Association for Computational Linguistics (ACL 2019) was bigger than ever. Although the conference received 75% more submissions than last year, the quality of the research papers remained high, and so the acceptance rates are almost the same…

2020-02-19 · artofmanliness.com

How to Jump Rope Like a Boxer

With our archives now 3,500+ articles deep, we’ve decided to republish a classic piece each Sunday to help our newer readers discover some of the best, evergreen gems from the past. This article was originally published in January 2019. When you think about boxers’ workouts —…

2020-02-19 · a16z.com

How to Ruin a Company with One Bad Process (2014)

“Real quick, whole squad on that real sh*t 0 to 100, n***a, real quick” —Drake, “0 to 100/The Catch Up” I am a giant advocate for technical founders running their own companies, but one consistent way that technical founders deeply harm their businesses is by screwing up the…

2020-02-19 · en.wikipedia.org

Kahan Summation Algorithm

In numerical analysis, the Kahan summation algorithm, also known as compensated summation,[1] significantly reduces the numerical error in the total obtained by adding a sequence of finite-precision floating-point numbers, compared to the obvious approach. This is done…