Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Amy is an ACA and the CEO and founder of OnPoint ...

R packages can depend on one another, but they can also depend on software external to the R ecosystem. On Ubuntu 24.04, for example, in order to install the curl R package, you must have previously ...

In order to use gmailr, you must provide your own OAuth client. This is documented in the article Set up an OAuth client. The article goes deeply into how to create an OAuth client and also how to ...

This disk contains all the ITU-R Recommendations and Reports in force and available at the publication date. The files are available in Adobe Acrobat PDF format, as well as in their original Word for ...