Analytics

Why does science get things wrong?

Why does science get things wrong?

By Kevin Gray

Many widely-held scientific theories were later proven badly wrong, as this brief article shows. How can…

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Some common statistical mistakes

Some common statistical mistakes

By Kevin Gray

“Everyone has their faults. Even I have one.” is one of my favorite quotes, made…

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Some marketing science case studies

Some marketing science case studies

By Kevin Gray

Analytics is not software. Software is not analytics. Software and analytics do not make management decisions. They are tools…

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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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