[R] find row name with specific value

John Kane jrkrideau at inbox.com
Tue Aug 27 19:41:07 CEST 2013


with data named dat1

match(2, dat1$samp.depth)

John Kane
Kingston ON Canada


> -----Original Message-----
> From: catalinroibu at gmail.com
> Sent: Tue, 27 Aug 2013 20:24:04 +0300
> To: r-help at r-project.org
> Subject: [R] find row name with specific value
> 
> 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!
> 
> -
> ---
> 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
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> FAX:                +4 0230 52 16 64
> silvic.usv.ro
> 
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