search for: 2006005

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2007 Mar 05
4
Identifying last record in individual growth data over different time intervalls
...ame t2 which only contains the entries of the last measurements. Thanks in advance, Rainer > unlist( sapply( split(t, t$plate), function(i) { i[i$year==max(i$year),]$id } ) ) 15 20 33 43 44 47 64 D72 S200 S201 2006001 2006003 2006005 2006007 2006008 2006009 2006014 2006015 2006016 2006017 S202 S203 S204 S205 S206 S207 S208 S209 S210 S211 2004095 2006019 2006020 2006021 2006022 2006023 2006024 2006025 2006026 2006027 S212 S213 S214 S215 S216 S217 S218 S219 S220...