A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...

Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...

In December 2019 my InfoWorld colleague Sharon Machlis wrote an article called “How to merge data in R using R merge, dplyr, or data.table.” Sharon is a whiz at R programming, and analytics in general ...

In this guide, we will focus on retrieving Apple Inc.'s (AAPL) historical earnings data and conducting further analysis using Benzinga’s Earnings API. Access to accurate and timely earnings data is ...

Python has made using Microsoft Excel much easier than it has ever been, and it isn't very hard to start using it yourself.

Turn Excel into a lightweight data-science tool for cleaning datasets, standardizing dates, visualizing clusters, and ...