Thank you for looking into this. I did feel your frustration for not finding any correlation between held SP and post payout value and also felt your satisfaction when you found correllation between rep, votes, and comments.

I do believe that rep does take an important role in the STEEM blockchain, but didn't have any number or data to back it up. This analysis did it for me.

I also wanted to see where I fare on fhe data above, specifically rep vs SP held and I think I'm on average - accounts with 60+ rep hold an average of 2k SP.

And finally this note:

You can have little SP and a high rep and still do well.

Fantastic.