Sep

30

I was discussing life expectancy vs. average age at death vs. life expectancy at birth and found the following article which was helpful: "Why 'life expectancy' is a misleading summary of survival". The discussion helps explain some problems with mean, median in skewed distributions.

The clustering in the skewed distribution of deaths was interesting. When I look at trades at certain prices, I see a clustering at certain prices. I think we notice this in the round number effect. Analysis of rounds is difficult due to adjusted prices at rolls. But in the same contract, or adjusted, there is clustering. Seems there might be some information there along the lines of my previous post on long thin bars and ranges.


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