AWS Big Data

JULY 8, 2024

In every Apache Flink release, there are exciting new experimental features. You can find valuable statistics you can’t normally find elsewhere, including the Apache Flink Dashboard. However, in this post, we are going to focus on the features most accessible to the user with this release.

Management 105

Management Consulting Dashboards Snapshot 105

AWS Big Data

JULY 3, 2023

Backtesting is a process used in quantitative finance to evaluate trading strategies using historical data. Buy Experimentation findings The following table shows Sharpe Ratios for various holding periods and two different trade entry points: announcement and effective dates. Sell 1 (PVH, PVH) 2022-09-06 18321.729571 55.15

Snapshot 94

Snapshot Data Lake Testing Strategy 94

Occam's Razor

JULY 24, 2018

Ignore the metrics produced as an experimental exercise nine months ago. Inspire each Marketer, Finance Analyst, Logistics Support Staff, Call Center Manager, and every VP to move one step up or one step to the right. Ignore the metrics whose only purpose is to float along the river of data pukes.

Analytics 95

Analytics Metrics Strategy Measurement 95

CIO Business Intelligence

APRIL 9, 2025

One of the most fundamental tenets of statistical methods in the last century has focused on correlation to determine causation. The quantitative models that make ML-enhanced analytics possible analyze business issues through statistical, mathematical and computational techniques.

Enterprise 102

Enterprise Analytics Experimentation Machine Learning 102

Occam's Razor

FEBRUARY 7, 2022

Since you're reading a blog on advanced analytics, I'm going to assume that you have been exposed to the magical and amazing awesomeness of experimentation and testing. And yet, chances are you really don’t know anyone directly who uses experimentation as a part of their regular business practice. Wah wah wah waaah.

Experimentation 103

Experimentation Testing Optimization Marketing 103

O'Reilly on Data

DECEMBER 9, 2019

We develop an ordinary least squares (OLS) linear regression model of equity returns using Statsmodels, a Python statistical package, to illustrate these three error types. CI theory was developed around 1937 by Jerzy Neyman, a mathematician and one of the principal architects of modern statistics. and an error term ??

Statistics 31

Statistics Uncertainty Risk Marketing 31

Occam's Razor

MARCH 23, 2021

upgrades to processes to create deeper integration with Finance & Strategy teams. This is very hard to do, we now have a proven seven-step experimentation process, with one of the coolest algorithms to pick matched-markets (normally the kiss of death of any large-scale geo experiment). It is powered by the union of: 1.

Analytics 133

Analytics Scorecard Strategy Testing 133

Occam's Razor

JANUARY 9, 2012

If your Marketer is not savvy in basic finance and analytics and writing some html and creating mobile campaigns and tag clouds then you have a long term liability on your hands, and not an asset who is really, really, really, really good at writing copy for display campaigns. Increasingly, your people can't be one-trick ponies.

Marketing 142

Marketing B2B Measurement Risk 142

The Unofficial Google Data Science Blog

JANUARY 14, 2016

Unlike experimentation in some other areas, LSOS experiments present a surprising challenge to statisticians — even though we operate in the realm of “big data”, the statistical uncertainty in our experiments can be substantial. We must therefore maintain statistical rigor in quantifying experimental uncertainty.

Experimentation 42

Experimentation Statistics Metrics Measurement 42

The Unofficial Google Data Science Blog

FEBRUARY 29, 2016

In this post we explore why some standard statistical techniques to reduce variance are often ineffective in this “data-rich, information-poor” realm. Despite a very large number of experimental units, the experiments conducted by LSOS cannot presume statistical significance of all effects they deem practically significant.

Experimentation 41

Experimentation Statistics Metrics Measurement 41

CIO Business Intelligence

DECEMBER 6, 2023

They list several scenarios to avoid — political campaigns and highly sensitive events where use or misuse could be consequential to life opportunities or legal status — and others to be cautious about, such as high stakes areas in healthcare, education, finance and legal.

IT 133

IT Risk Management Interactive Risk 133