ttsscount {mefa} | R Documentation |
The function makes an object of class 'sscount' from a table (data frame).
ttsscount(table, species.columns = TRUE, segment = "unspecified")
table |
a data frame. |
species.columns |
logical, if TRUE (default), species are columns, if FALSE , species are rows. |
segment |
arbitrary name of the segment (eg. adult, juvenile, male, female), included in the table,
by default it is "unspecified" . |
A result is an object of class 'sscount'.
data |
data frame with columns sample , species , segment , count . |
zc |
flag for rows with 0 total count, zc="zero.count" . |
nsamples |
number of samples in table . |
nspecies |
number of species in table . |
segment.levels |
value of the segment argument. |
Peter Solymos, Solymos.Peter@aotk.szie.hu, http://www.univet.hu/users/psolymos/personal/
### Example 1: simple atrificial data xc <- as.data.frame(rbind( c(4, 0, 0), c(2, 4, 0), c(0, 0, 5), c(0, 0, 0) )) rownames(xc) <- c("sample1", "sample2", "sample3", "sample4") colnames(xc) <- c("species1", "species2", "species3") ttsscount(xc) ### Example 2: field data of Villany Hills ## Not run: data(vtable) v1 <- ttsscount(vtable, FALSE) v1 v2 <- ttsscount(vtable, species.columns = FALSE, segment = "adult") v2 v3 <- ttsscount(vtable) v3 ## End(Not run)