| cksum {bitops} | R Documentation |
return a cyclic redundancy checksum for each element in the argument.
cksum(a)
a |
coerced to character vector |
NA's appearing in the argument are returned as NA's.
The default calculation is identical to that given in pseudo-code in the ACM article (in the References).
numeric vector of length a.
Steve Dutky sdutky@terpalum.umd.edu
Fashioned from cksum(1) UNIX command line utility, i.e.,
man cksum.
Dilip V. Sarwate (1988). Computation of Cyclic Redundancy Checks Via Table Lookup, Communications of the ACM, August 1988. vol 31, No.8 page 1008-1013
b <- "I would rather have a bottle in front of me than frontal lobotomy\n" cksum(b) == 1342168430 ## -> TRUE