Data & Analytics

Quantifying qualitative

Quantifying qualitative

By Kevin Gray

WITW does “quantifying qualitative” mean? Data science almost universally ignores qualitative research, such as focus…

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Sampling - a snapshot

Sampling – a snapshot

By Kevin Gray

Sampling is a deceptively complex subject, and one not every marketing researcher, statistician or data…

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Psychometrics: Some Basics

Psychometrics: Some Basics

By Kevin Gray

Most of us working in marketing research and other social and behavioral science fields will…

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statistics in a nutshell Kevin Gray

Statistical thinking in a nutshell

By Kevin Gray

One of the toughest things to explain about statistics is that it’s not just math…

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What Are GARCH Models?

What are GARCH models?

By Kevin Gray

Economists and statisticians who work with time-series data – data collected over many periods rather…

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Beyond Modeling 101

Beyond Modeling 101

By Kevin Gray

Anyone working in marketing research or data science has had some exposure to statistical modeling.…

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Featured Image for Data Visualization in R vs. Python

Data Visualization in R vs. Python

By Inwt-blog-rbloggers

[This article was first published on INWT-Blog-RBloggers, and kindly contributed to R-bloggers]. (You can report…

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Don’t data despair

Don’t data despair

By Matthew Gierc

In 2019, as data proliferates — from general information to real-time decision support, to robotics…

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