A/B testing for the statistically inclined

Another of my clients is about embark on another round of A/B testing, so I thought I’d post some of my favorite A/B testing resources, summarizing each as a single rule: Why you should always set your sample size (n) in advance:In How Not to Run an A/B Test @evmill makes the case for always fixing yourContinue reading “A/B testing for the statistically inclined”

Getting Started with R, Regression, and Survival Analysis

I’ve been doing a lot of data analysis for a couple clients lately; I’m using R pretty heavily, and thought that I would create this post to keep track of the R resources I use most. This post will be updated frequently over the coming days as I fine-tune my R installation. Things I useContinue reading “Getting Started with R, Regression, and Survival Analysis”

My First 5 Minutes On A Server; Or, Essential Security for Linux Servers

If you’re like me – technical, but by no means a Dev Ops guru – setting up a new linux VPS so that it’s reasonably secure is a bit intimidating. This post is a useful how-to, and has good, well-explained tips on how to configure and run a reasonably secure linux VPS. My First 5Continue reading “My First 5 Minutes On A Server; Or, Essential Security for Linux Servers”

Choosing Your Technologies When You Start

continuations: The most important initial consideration is the nature of innovation for your particular startup. Is your innovation primarily a social/behavioral/market structure one (think Instagram, Tumblr, Etsy) or a technical one (think v1 of Google, Twilio)? If it is the former you should tend to go conservative in your technology choices whereas in the latterContinue reading “Choosing Your Technologies When You Start”