Formula Help

[FMDF]

I have this lovely code that is charting a trend line.

I have no idea how to decipher this.

=LinEst_M(total aggr(if(Count(WOID),count(WOID)),MonthYear), MonthYear)*
only(MonthYear)+LinEst_B(total aggr(if(count(WOID),count(WOID)),MonthYear),MonthYear)

[dwforest]

https://help.qlik.com/en-US/sense/February2020/Subsystems/Hub/Content/Sense_Hub/Scripting/Statistica...