c,missingOrNULL-method {neotoma2} | R Documentation |
c Method for NULL values
c Method for NULL values
## S4 method for signature 'missingOrNULL'
c(x = "missingORNULL", y)
## S4 method for signature 'missingOrNULL'
c(x = "missingORNULL", y)
x |
NULL object |
y |
sites/datasets object |
concatenated collunits
object
list
of concatenated items when the first object is NULL