Helping you become more confident with Python and Pandas. Corporate training. Newsletters. Courses. Books. Videos.
It's late August – which means, at least for many people in the northern hemisphere, that a new school year has already begun, or will be starting soon. It's still fairly quiet at the schools I pass on my morning walk, including the upper school at the
[Want to learn about Polars? On Sunday, I'll be teaching my first-ever course on Polars. You can buy the course on its own at https://store.lerner.co.il/polars, or get it as part of my Python+data membership at https://LernerPython.com. The membership includes my
Until a few years ago, inflation seemed like a thing of the past, at least in most developed countries. Low inflation meant that central banks, and especially the Federal Reserve, could keep interest rates extremely low – at or close to zero. (This was sometimes called ZIRP, for "zero interest-rate
Thanks to everyone who came to this month's office hours! I'm enclosing the video here, as well as the Jupyter notebook I used for coding. Remember that I'm still running a bunch of live courses over the coming week, including: * Working with text in
Do you have questions about Pandas? Join me for my monthly office hours! Come and chat about any questions or problems you have. Or just come to chat; I'm always happy to talk. This session is only for paid BW subscribers, including members of my Python+Data program.
[Administrative note: I'll be holding office hours for paid subscribers, including members of my Python+data membership program, on this coming Sunday, August 18th. Come with any and all Pandas questions; my goal is to answer anything I can. I'll send a reminder and Zoom link
Several years ago, I read David Sanger's book, "The Perfect Weapon," about cyber attacks – that is, attacks against the Internet and computer infrastructure. The book was equally enlightening and terrifying, and I highly recommend it. The main thesis was that causing destruction and mayhem no longer
This week, we looked at data from a number of major stock-market indexes. The goals were not just to find out if the major drops we saw earlier this week were unusually large in historical terms, but also to see what connections we can find across the various indexes. Data
It was big news on Monday: Major stock indexes in nearly every market around the world declined. Why? People had all sorts of speculation. A number of them had to do with worries about the health of the US economy, which has outperformed every other major country in both growth
[Reminder: If you haven't done so already, please fill out my course survey, at https://www.surveymonkey.com/r/2024-learn-survey ! I'll be announcing new Python and Pandas courses next week, and this is your chance to influence the topics that I'll teach. ] The 2024
[Reminder: If you haven't done so already, please fill out my course survey, at https://www.surveymonkey.com/r/2024-learn-survey ! I'll be announcing new Python and Pandas courses next week, and this is your chance to influence the topics that I'll teach. ] The 2024