James McWhinney is a long-tenured Investopedia contributor and an expert on personal finance and investing. With over 25 years of experience as a full-time communications professional, James writes ...

I 'm a big fan of Python for data analysis, but even I get curious about what else is available. R has long been the go-to ...

This short course provides an overview of statistical analyses useful for comparing the means for one or more samples. The statistical training will include the discussion of the one sample t-test, ...

Google Sheets is a powerful tool for data analysis, offering a range of functionalities that cater to both beginners and intermediate users. This article aims to guide you through the process of ...

When it comes to crime prevention, figuring out what works can take a lot of detective work. Today, some of that detective work is being made easier thanks to a new emphasis on data analysis in police ...