All my stats videos are found here: http://www.zstatistics.com/
See the whole regression series here:
https://www.youtube.com/playlist?list=PLTNMv857s9WUI1Nz4SssXDKAELESXz-bi
To download the jaybob.csv dataset, head over to the website above, I'll upload the data (and associated model worksheet) to the video page.
The video on the mathematics of logarithms is here: https://www.youtube.com/watch?v=eJF9hiv3c-A&list=PLTNMv857s9WUI5YsQMW14trmbopjZMWPa&index=2