Example stem-tables from Barro Colorado Island (BCI).
bci_stem_1995 bci_stem_2000 bci_stem_2005
An object of class data.table (inherits from data.frame) with 500 rows and 17 columns.
str(bci_stem_1995)#> Classes 'data.table' and 'data.frame': 500 obs. of 17 variables: #> $ treeID : num 1 2 3 4 5 6 7 8 9 10 ... #> $ stemID : num 1 2 3 4 5 6 7 8 9 10 ... #> $ tag : chr "-05599" "-22851" "-24362" "-26589" ... #> $ StemTag : chr "" "" "" "" ... #> $ sp : chr "swars1" "hybapr" "aegipa" "beilpe" ... #> $ quadrat : chr "4007" "0718" "0417" "0007" ... #> $ gx : num 800.2 151.5 95.2 11.7 7.7 ... #> $ gy : num 152.2 378.8 357.5 151.1 96.2 ... #> $ dbh : num NA NA NA NA NA NA NA NA NA NA ... #> $ hom : num NA NA NA NA NA NA NA NA NA NA ... #> $ ExactDate: chr NA NA NA NA ... #> $ DFstatus : chr NA NA NA NA ... #> $ codes : chr NA NA NA NA ... #> $ date : num 12986 12856 12822 12803 12796 ... #> $ status : chr "D" "D" "D" "D" ... #> $ CensusID : int 4 4 4 4 4 4 4 4 4 4 ... #> $ year : num 1995 1995 1995 1995 1995 ... #> - attr(*, ".internal.selfref")=<externalptr>str(bci_stem_2000)#> Classes 'data.table' and 'data.frame': 500 obs. of 17 variables: #> $ treeID : num 1 2 3 4 5 6 7 8 9 10 ... #> $ stemID : num 1 2 3 4 5 6 7 8 9 10 ... #> $ tag : chr "-05599" "-22851" "-24362" "-26589" ... #> $ StemTag : chr "" "" "" "" ... #> $ sp : chr "swars1" "hybapr" "aegipa" "beilpe" ... #> $ quadrat : chr "4007" "0718" "0417" "0007" ... #> $ gx : num 800.2 151.5 95.2 11.7 7.7 ... #> $ gy : num 152.2 378.8 357.5 151.1 96.2 ... #> $ dbh : num NA NA NA NA NA NA NA NA NA NA ... #> $ hom : num NA NA NA NA NA NA NA NA NA NA ... #> $ ExactDate: chr NA NA NA NA ... #> $ DFstatus : chr NA NA NA NA ... #> $ codes : chr NA NA NA NA ... #> $ date : num 14801 14656 14666 14636 14628 ... #> $ status : chr "D" "D" "D" "D" ... #> $ CensusID : int 5 5 5 5 5 5 5 5 5 5 ... #> $ year : num 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 ... #> - attr(*, ".internal.selfref")=<externalptr> #> - attr(*, "index")= int #> ..- attr(*, "__status")= int 19 21 23 24 30 31 32 34 35 36 ...str(bci_stem_2000)#> Classes 'data.table' and 'data.frame': 500 obs. of 17 variables: #> $ treeID : num 1 2 3 4 5 6 7 8 9 10 ... #> $ stemID : num 1 2 3 4 5 6 7 8 9 10 ... #> $ tag : chr "-05599" "-22851" "-24362" "-26589" ... #> $ StemTag : chr "" "" "" "" ... #> $ sp : chr "swars1" "hybapr" "aegipa" "beilpe" ... #> $ quadrat : chr "4007" "0718" "0417" "0007" ... #> $ gx : num 800.2 151.5 95.2 11.7 7.7 ... #> $ gy : num 152.2 378.8 357.5 151.1 96.2 ... #> $ dbh : num NA NA NA NA NA NA NA NA NA NA ... #> $ hom : num NA NA NA NA NA NA NA NA NA NA ... #> $ ExactDate: chr NA NA NA NA ... #> $ DFstatus : chr NA NA NA NA ... #> $ codes : chr NA NA NA NA ... #> $ date : num 14801 14656 14666 14636 14628 ... #> $ status : chr "D" "D" "D" "D" ... #> $ CensusID : int 5 5 5 5 5 5 5 5 5 5 ... #> $ year : num 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 ... #> - attr(*, ".internal.selfref")=<externalptr> #> - attr(*, "index")= int #> ..- attr(*, "__status")= int 19 21 23 24 30 31 32 34 35 36 ...