The Unofficial Google Data Science Blog

JUNE 30, 2016

A naïve way to solve this problem would be to compare the proportion of buyers between the exposed and unexposed groups, using a simple test for equality of means. Random forest with default R tuning parameters (Breiman, 2001). 2001): 5-32. An excellent review of statistical learning methods may be found in Friedman et.

Statistics 44

Statistics Optimization Modeling Experimentation 44

O'Reilly on Data

MAY 27, 2020

Under school district policy, each of Audrey’s eleven- and twelve-year old students is tested at least three times a year to determine his or her Lexile, a number between 200 and 1,700 that reflects how well the student can read. They test each student’s grasp of a particular sentence or paragraph—but not of a whole story.

Risk 355

Risk Testing Measurement Reporting 355

Occam's Razor

APRIL 25, 2011

Making website iterations based on executive opinions, but not site testing. via Jordan Silton] "With testing you can prove if Executives are right or not, and maybe, just maybe figure out WHY. Your website was created in 1996, updated slightly in 2001, and left to rot ever since.

Marketing 126

Marketing Measurement Metrics Testing 126

Domino Data Lab

APRIL 3, 2019

My read of that narrative arc is that some truly weird tensions showed up circa 2001: Arguably, it’s the heyday of DW+BI. A very big mess since circa 2001, and now becoming quite a dangerous mess. data to train and test models poses new challenges: The need for reproducibility in analytics workflows becomes more acute.

Data Governance 84

Data Governance Machine Learning Metadata Big Data 84

Domino Data Lab

MAY 20, 2021

The problem with this approach is that in highly imbalanced sets it can easily lead to a situation where most of the data has to be discarded, and it has been firmly established that when it comes to machine learning data should not be easily thrown out (Banko and Brill, 2001; Halevy et al., Their tests are performed using C4.5-generated

Machine Learning 136

Machine Learning Metrics Data mining Knowledge Discovery 136

AWS Big Data

OCTOBER 11, 2023

For the template and setup information, refer to Test Your Streaming Data Solution with the New Amazon Kinesis Data Generator. Prerequisites This post requires you to set up the Amazon Kinesis Data Generator (KDG) to send data to a Kinesis data stream using an AWS CloudFormation template. We use two datasets in this post.

Management 101

Management Metadata Analytics Dashboards 101

CIO Business Intelligence

APRIL 22, 2022

The exam covers topics including Scrum, Kanban, Lean, extreme programming (XP), and test-driven development (TDD). 11, 2001, terrorist attacks to address issues of cyberterrorism and the information security of nations at large. Candidates can also take a self-test to benchmark their knowledge. Certified ScrumMaster (CSM).

Management 111

Management Cost-Benefit Testing Risk 111

Jet Global

APRIL 13, 2020

In 2001, a group of software developers got together at a ski resort in the Wasatch mountains of Utah and drew up a document they called the “Agile Manifesto.” They rejected the classic waterfall model of software development in favor of an iterative approach in which initial prototypes are delivered and tested early in the process.

Manufacturing 98

Manufacturing Reporting Finance Forecasting 98

Domino Data Lab

AUGUST 8, 2019

Consider the following timeline: 2001 – Physics grad students are getting hired in quantity by hedge funds to work on Wall St. Have you run any A/B tests yet or written a one-pager describing a Minimum Viable Product?”. following a breakthrough paper or two, plus changes in market microstructure). No big deal.”. The Big Picture.

Data Science 71

Data Science Machine Learning Data Governance Statistics 71

Domino Data Lab

JULY 9, 2019

A “data scientist” might build a multistage processing pipeline in Python, design a hypothesis test, perform a regression analysis over data samples with R, design and implement an algorithm in Hadoop, or communicate the results of our analyses to other members of the organization in a clear and concise fashion.

Data Science 112

Data Science Machine Learning Advertising Modeling 112