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2006 Aug 29
1
Bootstraping for groups and subgroups and joing with other table
Dear R-experts,
I have a table with following collumns: State, SamplePlot, Species and BodySize. I sampled bird species at 34 SamplePlots and 5 States (regions) monthly during two years. On each bird record I measured bodysize and identified the species. So I have many records of each species (about 150 species) at each SamplePlot and each Region (State).
Now I would like bootstrap these data, selecting 50 records for each Sta...
2006 Aug 29
0
En: Bootstraping for groups (right data tables)
Dear R-friends,
Unfortunately the tables that I "past" on last email gone with bad visual structure. So I send it again. Sorry to do this so confuse.
Miltinho
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Table1 - Bird records
State,SampleSite,Species,Bodysize
SaoPaulo,Site1,Spp01,4.39
SaoPaulo,Site1,Spp04,4.05
SaoPaulo,Site1,Spp01,2.75
SaoPaulo,Site1,Spp02,8.18
SaoPaulo,Site1,Spp02,0.80