Data Science Articles

Peter Grant

Updated on April 17, 2025

Model validation is a phase in the machine learning process where a trained model’s performance is evaluated using data that is different from the training data, known as a validation data set.

Margo Steines

Updated on April 16, 2025

Companies across sectors like fintech, SaaS and defense are hiring database administrators to manage their data and keep it secure.

Giorgos Myrianthous

Updated on April 14, 2025

Learn how to convert a Python dictionary into a Pandas DataFrame using the pd.DataFrame.from_dict() method and its options, depending on how the data is structured and stored in the dictionary.

Peter Grant

Updated on April 11, 2025

A nested list comprehension in Python is a list comprehension placed inside another list comprehension. It's often used for handling lists of lists with only one line of code. Here’s how to write a nested list comprehension in Python.

Andika Pratama

Updated on April 11, 2025

An index-based search engine in Python is a search engine created in Python that uses an index to quickly retrieve information based on a search query. Learn how to develop your own index-based search engine using Python.

Jenny Lyons-Cunha

Updated on April 10, 2025

Merck’s Data Science and Scientific Informatics team of Research and Development Sciences IT is tackling age-old questions and emerging challenges alike with a dynamic multidisciplinary approach — all while serving its mission of saving lives.

Stephen Gossett

Updated on April 10, 2025

And why you can’t afford to drag your feet.

Michael Hines

Updated on April 10, 2025

Neurological and physiological data gathered in research laboratories is changing the way ads are made.

Brigid Hogan

Updated on April 10, 2025

What happens when an industry-leading biopharma company and early-stage startups collide? Merck Digital Sciences Studios comes to life. Built In dives into the details.