bio3d (version 2.3-4)

is.xyz: Is an Object of Class ‘xyz’?

Description

Checks whether its argument is an object of class ‘xyz’.

Usage

is.xyz(x)
  as.xyz(x)

Arguments

x

an R object to be tested

Value

TRUE if x is an object of class ‘xyz’ and FALSE otherwise

Details

Tests if x is an object of class ‘xyz’, i.e. if x has a “class” attribute equal to xyz.

See Also

read.pdb, read.ncdf, read.dcd, fit.xyz

Examples

# NOT RUN {
# Read a PDB file
pdb <- read.pdb( system.file("examples/1hel.pdb", package="bio3d") )
is.xyz(pdb$xyz)

# }