Hello all!
I want to find the first year where is fixed value (eg 2).
My data is like this:
 HUMstd    HUMres samp.depth
1592 0.5687519        NA          1
1593 1.5251896        NA          1
1594 1.8168727        NA          1
1595 1.1265923 0.8253599          1
1596 0.8725422 0.7423323          2
1597 0.6744835 0.5443933          2
1598 0.7605894 0.8698533          2
1599 0.6559708 0.8695049          2
1600 0.8606666 0.4699240          3
1601 1.0398217 1.0643867          3
1602 0.5707846 0.7079530          3
1603 0.5136122 0.8443149          3
1604 0.6700944 0.9767793          3
1605 0.7239053 0.9378163          3
1606 0.6772079 0.8428935          3
1607 0.9368149 1.0333812          3
1608 0.7091008 0.7860034          3
1609 1.1177742 1.2792296          3

Thank you!

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Catalin-Constantin ROIBU
Lecturer PhD, Forestry engineer
Forestry Faculty of Suceava
Str. Universitatii no. 13, Suceava, 720229, Romania
office phone     +4 0230 52 29 78, ext. 531
mobile phone   +4 0745 53 18 01
                       +4 0766 71 76 58
FAX:                +4 0230 52 16 64
silvic.usv.ro

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