| subset.fv {spatstat} | R Documentation |
Extract a subset of an object of class "fv".
## S3 method for class 'fv': x[i, j, ..., drop=FALSE]
x |
a function value object,
of class "fv" (see fv.object).
Essentially a data frame.
|
i |
any appropriate subset index.
Selects a subset of the rows of the data frame, i.e.
a subset of the domain of the function(s) represented by x.
|
j |
any appropriate subset index for the columns of the data frame.
Selects some of the functions present in x.
|
drop, ... |
Ignored. |
This is a method for "[" for the class "fv".
It is very similar to [.data.frame
except for a few extra checks on the sanity of the result.
A function value object (of class "fv").
Adrian Baddeley adrian@maths.uwa.edu.au http://www.maths.uwa.edu.au/~adrian/ and Rolf Turner rolf@math.unb.ca http://www.math.unb.ca/~rolf
data(cells) K <- Kest(cells) # discard the estimates of K(r) for r > 0.1 Ksub <- K[K$r <= 0.1, ] # discard the border method estimator Ksub <- K[ , names(K) != "border"]