Correlation One

Elevate your data talent

The need for data talent is growing exponentially, but most companies struggle to identify and hire truly outstanding candidates. To solve this problem, Correlation One developed the first standardized assessment platform exclusively for data science and analytics talent.

The C1 Assessments Platform is currently used by data talent leaders like Citadel, Wayfair, Experian, CanadaTire, Point72, Korn Ferry, GSA Capital, and more.


Evaluating data science and analytics skills is time consuming -- many companies spend up to 75 hours per hire!

With C1 Assessments, the best candidates won’t slip through the cracks, and flawed candidates won’t waste your team’s valuable time and resources.


'Data Scientist' is an oft-used umbrella term that, in reality, spans dozens of different roles and skills.

Correlation One helps you define your unique data science & analytics roles, and the most important skills for each role. We then build custom assessments for each role, so that you can make hiring decisions with confidence.


The C1 Assessments Platform covers over 30 advanced data skills, from hard skills like Python, Statistical Modeling, and Machine Learning, to softer skills like Data Visualization and Data Inference.

The C1 Assessments platform includes over 1500 individual questions, all developed by leading Ph.D. and industry experts.

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