Try to phrase the problem in a more mathematical way.

Are there lesbians in this problem or is this the "Gay male speed dating problem"?

I think the question can be rephrased more formally as: Given a set $S$ of $n$ elements, what is the shortest sequence $C_i$ of sets of unordered pairs in $S$ such that each unordered pair occurs in exactly one $C_i$ and no pairs in a given $C_i$ "overlap"? Imagine a long table with a seat at one end and $\frac$ seats along each long side. After each round, each person moves one seat clockwise. This gets us N-1 rounds in the even case, which is optimal. I run gay speed dating events and have the seating charts for 12 participants up to 22.

For many people, having a satisfying romantic relationship is one of the most important aspects of life.

Over the past 10 years, online dating websites have gained traction, and dating websites have access to large amounts of data that could be used to build predictive models to achieve this goal.

Such data is seldom public, but Columbia business school professors Ray Fisman and Sheena Iyengar compiled a rich and relevant data set for their paper Gender Differences in Mate Selection: Evidence From a Speed Dating Experiment.

Their main results were: Women put greater weight on the intelligence and the race of partner, while men respond more to physical attractiveness.

Moreover, men do not value women’s intelligence or ambition when it exceeds their own.

Also, we find that women exhibit a preference for men who grew up in affluent neighborhoods.

I describe the contents of each folder below: data Processor aux Functions Contains the libraries and functions that I used repeatedly.

Machine learning In this context, random forest models are unusually nontransparent on account of their ability to infer the identities of the events' participants, and unless one includes the same participant in both the train and test sets, they perform very poorly.

Doctors marry doctors, lawyers marry lawyers, and economists marry economists, probably not because they actually prefer to do so, but because those are the people they meet in daily life.

The same may be true of the tendency to marry someone of one's own race or religion.

Participants didn't attend multiple events, so rather than using information about previous events to predict what will happen at an event, we predict participants' decisions on a given date based on information about other dates at the same event.

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