Displaying 2 results from an estimated 2 matches for "schizodon".
2013 Jan 16
1
Mean calculation by two variables
..., "São Simão", "São Simão"), Specie = c("Acestrorhynchus
lacustris",
"Acestrorhynchus lacustris", "Acestrorhynchus lacustris", "Acestrorhynchus
lacustris",
"Acestrorhynchus lacustris", "Acestrorhynchus lacustris", "Schizodon
intermedius",
"Schizodon intermedius", "Schizodon intermedius", "Schizodon intermedius",
"Schizodon intermedius", "Schizodon intermedius", "Schizodon intermedius",
"Schizodon intermedius", "Schizodon intermedius",...
2012 Sep 18
2
Formula in a data-frame
Hello all,
I'm new in R, and I have a data-frame like this (dput information below):
Specie Fooditem Occurrence Volume
1 Schizodon vegetal 1 0.05
2 Schizodon sediment 1 0.60
3 Schizodon vegetal 1 0.15
4 Schizodon alga 1 0.05
5 Schizodon sediment 1 0.90
6 Schizodon sediment 1 0.30
7 Schizodon...