The arithmetic mean is the most widely used, probably because it's the simplest to calculate. It's also the one that's relevant to most numbers that mean the number they're representing. The arithmetic mean of the profits from each of the 8 tables in my last session was $0.035. (You'll notice I'm in profit, just.)
The geometric mean, on the other hand, is more useful for numbers that represent something happening to other numbers, such as ratios (such as %ROI). This session's geometric mean ROI was a pitiful 89.6%, which would represent a loss of $0.083.
Before I reveal how much I actually made today for any of those with smaller brains than mine, I should say that I played two sessions between my last post and this one.
One was 2 days ago. Other than one hand in which I turned a straight flush and managed to win a measly one big bet after this, very little happened. I eventually cashed out after 179 hands up $0.43 because there were very irritating people timing out every hand.
The second was earlier today. Again, very little really happened that I could talk about on this blog without people getting very very bored by it. This isn't supposed to be a boring blog.
Anyway, despite finding that I was rivering a lot of straights with semi-connectors, any hand I made before the river seemed to get sucked out on. I finished 228 hands down $0.37.
Now back to the initial session. Obviously it wasn't the first session (it was in fact the last) as I generally structure my blogs chronologically. I may experiment with mixing things up, making them incomprehensible, some time in the future, but that's not what I've done today. I suppose it is. I opened commenting on the arithmetic and geometric means of my last session, but I haven't described it until now.
Anyway, I decided to play 4 tables. At first, I definitely felt more focused but the main difficulty was that the tables kept breaking. This was a difficulty because I had to replace them whilst playing three other hands. There was only one hand worth mentioning though. I limped from the CO with 45o and flopped the wheel and subsequently managed to get 4 bets on every street from good prediction of the other players, and of course a bit of check-raising.
Despite this focus and expert play, I found that I was doing very well on two tables and very poorly on the other two. I eventually grinded the other tables up a little and finished after 249 hands.
The arithmetic mean would suggest that I was up from the session as I had a positive mean profit. However, the geometric mean suggests that I was down from most tables. Both are true. I finished up $0.28, thanks to one $1.02 profit on one table.
There's no need to thank me for the introductory statistics lesson, it comes as a complimentary gift for reading this incredibly pointless blog.
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