ARIMA Modeling – Homebrew Edition

ARIMA modeling has felt like a bit of a nemesis since I was first exposed to it. Figuring out what settings to use with it has been my main challenge. The ACF and PACF plots are supposed to help here, but you have to learn to read them somewhat. There is an auto.arima option, which tests Read More

Getting Ready For Data Science

Yesterday I got my student number from the University that I am doing my Data Science apprenticeship with and I am so excited! Honestly, I thought I had missed my chance to do a degree and resigned myself to never having one. I’ve done okay for myself and I was quite sure that I didn’t need Read More

Fancy New Updates And Fancy New Skills

Last week there was an update rolled out to my copy of Microsoft Office. Usually this wouldn’t merit much discussion, but this update included improvements to a tool I’ve been using extensively for the past few months; Power Query. What improvement was that? It was the super useful Intellisense feature, as well as syntax highlighting. Basically, Read More

From Excel To Data Science

Today I was doing plenty of data prep stuff in Excel using Power Query, and waiting for it to load my changes over and over again. While I was waiting, I had an idea: could I transition my Excel work over to R? I found this: And this: So it seems very realistic for me Read More

Coming Clean On Frustration

Yesterday I wrote a post about how frustrating this game,, can be. On reflection, it wasn’t really the game at all. Sure there were other players acting in seemingly irrational ways, but that’s normal, I expect that. The reason my frustration got blown out of proportion is that I couldn’t understand some details of the Read More