is.xyz {bio3d} | R Documentation |
Checks whether its argument is an object of class ‘xyz’.
is.xyz(x)
as.xyz(x)
x |
an R object to be tested |
Tests if x is an object of class ‘xyz’, i.e. if x has a
“class” attribute equal to xyz
.
TRUE if x is an object of class ‘xyz’ and FALSE otherwise
read.pdb
, read.ncdf
,
read.dcd
, fit.xyz
# Read a PDB file
pdb <- read.pdb( system.file("examples/1hel.pdb", package="bio3d") )
is.xyz(pdb$xyz)