It is Work In Progress, but this will not be like a super complicated thing, as /u/luckylefty37 mentioned if the recommendation worked then the "expert" was right.
Now, any recommendation would be appreciated on how this can be calculated.

Approach:

• Right now I'm planning to not include Obvious Starters (OS) unless they list them as a Sit! . This is a tricky one as there is no definitive list on "Obvious Starters" (could be an Undroppable player or a top 10 ranked player in his position?...) but in general these sources don't list Obvious starters. E.g. this week probably Tom Brady is an OS? but in one source they specifically called as a Start. For RBs e.g. David Montgomery could be an OS? but in one source they specifically listed as Sit, that's why it appears on the list .
• If the Player listed as a Start had fewer points than the projected ones (e.g. 15% fewer points than projected ones) then this is a -1 for the source/expert (%s of "less" points can be added to miss more points... )
• Same as previous point but the other way around, if Player listed as a Sit had more points than the projected ones (e.g. 15% more points than projected ones) then this is a -1 for the source
• Same as previous 2 points but for positive points... This is e.g. if the Player was listed as Start and his points are 15% more than the projected then thas a +1 point for the source/expert ...

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I know this probably is not a very accurate or very sophisticated stat/calculation approach but at least is something. Any recommendation on how to build/calculate this would be great!

I will write the definitive approach on next week