Finding a value based on multiple conditions of the next row

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Jorge Young
Jorge Young 2020-9-14
评论： Jorge Young 2020-9-14
I need to find the row in a csv that comes right before a row where multiple conditions are met for example, the .csv look something like:
I basically need the DisttoStartPoint at of Procedure 1 when Procedure 2 has a DriveTime of <1
I can get the DistToStartPoint of the Procedure 2 by using condtions but I can not figure out how to get the info from the previous row.
Thank you.

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KSSV
KSSV 2020-9-14
idx = find(DrivenTime(Procedure==2)) ;
PReviousRow = idx(1)-1
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KSSV
KSSV 2020-9-14
[c,ia,ib] = unique(Procedure) ;
for i = 2:length(c)
idx = find(DrivenTime(Procedure==c(i))<1) ;
if ~isempty(idx)
PreviousRow = idx(1)-1 ;
end
end

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