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Towards optimal experimentation in online systems

The Unofficial Google Data Science Blog

If $Y$ at that point is (statistically and practically) significantly better than our current operating point, and that point is deemed acceptable, we update the system parameters to this better value. It is also a sound strategy when experimenting with several parameters at the same time. And sometimes even if it is not[1].)

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Five Strategies for Slaying the Data Puking Dragon.

Occam's Razor

As you accumulate more experience in your career, you’ll discover there are a cluster of simple strategies you can follow to pretty ruthlessly eliminate the riffraff and focus on the critical view. This is a clever strategy, I think you are going to love it. A small statistics detour. Hire a super-smart consultant immediately!

Strategy 263
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To Balance or Not to Balance?

The Unofficial Google Data Science Blog

Identification We now discuss formally the statistical problem of causal inference. We start by describing the problem using standard statistical notation. It should be noted that inverse probability weighting is not generally optimal (i.e., An excellent review of statistical learning methods may be found in Friedman et.

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Changing assignment weights with time-based confounders

The Unofficial Google Data Science Blog

by ALEXANDER WAKIM Ramp-up and multi-armed bandits (MAB) are common strategies in online controlled experiments (OCE). These strategies involve changing assignment weights during an experiment. The first is a strategy called ramp-up and is advised by many experts in the field [1].

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How to Choose the Best Analytics Platform, and Empower Business-Driven Analytics

Grooper

Read on to learn how data literacy, information as a second language, and insight-driven analytics take digital strategy to a new level. Technology – i.e. data mining, predictive analytics, and statistics. Data and analytics strategy. People-process-technology speak is no longer enough to traverse the technological landscape.

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Knowledge

Occam's Razor

Barriers To An Effective Web Measurement Strategy [+ Solutions!]. The Awesome Power of Visualization 2 -> Death and Taxes 2007. Tip #9: Leverage Statistical Control Limits. Tip#1: Statistical Significance. Search Engine Optimization (SEO) Metrics & Analytics. Who Owns Web Analytics? How do I choose well?

KPI 124
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Measuring Incrementality: Controlled Experiments to the Rescue!

Occam's Razor

We have to do Search Engine Optimization. You need people with deep skills in Scientific Method , Design of Experiments , and Statistical Analysis. The company truly has a portfolio strategy when it comes to marketing. It is possible to compute incrementality of adding or removing marketing strategies. ask for a raise.