is.select | R Documentation |
Checks whether its argument is an object of class ‘select’.
is.select(x)
x |
an R object to be tested. |
Tests if x is an object of class ‘select’, i.e. if x has a “class” attribute equal to select
.
TRUE if x is an object of class ‘select’ and FALSE otherwise
Julien Ide
atom.select
# Read a PDB file pdb <- read.pdb( system.file("examples/1hel.pdb", package="bio3d") ) # Print structure summary atom.select(pdb) # Select all C-alpha atoms with residues numbers between 43 and 54 ca.inds <- atom.select(pdb, "calpha", resno=43:54) is.select(ca.inds)
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