The Unofficial Google Data Science Blog

JULY 22, 2020

Another reason to use ramp-up is to test if a website's infrastructure can handle deploying a new arm to all of its users. For example, consider a smaller website that is considering adding a video hosting feature to increase engagement on the site. Here, day-of-week is a time-based confounder.

Experimentation 96

Experimentation Statistics Testing Knowledge Discovery 96

DataRobot

JUNE 10, 2021

To foster innovation in this area, AICrowd hosted a competition to predict the olfactory properties of a molecule. It was introduced in 1980 but open-sourced in 2007, which created its widespread use. The competition metric is the maximum Tanimoto score of the top five recommendations to the ground truth averaged over the test dataset.

Metrics 52

Metrics Machine Learning Visualization Experimentation 52

BizAcuity

MAY 10, 2022

2007: Amazon launches SimpleDB, a non-relational (NoSQL) database that allows businesses to cheaply process vast amounts of data with minimal effort. The platform is built on S3 and EC2 using a hosted Hadoop framework. AWS rolls out SageMaker, designed to build, train, test and deploy machine learning (ML) models.

Data-driven 52

Data-driven IoT Unstructured Data Data Lake 52

The Unofficial Google Data Science Blog

JULY 18, 2023

While it may be a little abstract, this concept forms a key piece of Classical Test Theory (CTT) , a foundation of psychometrics. Once we take this step, we encounter a host of interesting challenges: people's judgments can be noisy and biased, and often the concept that we are measuring has no single objective value.

Measurement 52

Measurement Metrics Uncertainty Slice and Dice 52