Function docs

[Nowosad]

• ordered = TRUE/FALSE
• repeated = TRUE/FALSE

Options:

1. ordered = TRUE, repeated = TRUE: Keeps all values
2. ordered = TRUE, repeated = FALSE: Keep all values from cocoma (but only one cocoma for each pair), keeps all coma values
3. ordered = FALSE, repeated = TRUE: Keep all values from cocoma, divides coma values by 2
4. ordered = FALSE, repeated = FALSE: Keep all values from cocoma (but only one cocoma for each pair), divides coma values by 2

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