digest (version 0.6.27)

digest2int: hash arbitrary string to integer

Description

The digest2int function calculates integer hash of an arbitrary string. This is useful for randomized experiments, feature hashing, etc.

Usage

digest2int(x, seed = 0L)

Arguments

x

An arbitrary character vector.

seed

an integer for algorithm initial state. Function will produce different hashes for same input and different seed values.

Value

The digest2int function returns integer vector of the same length as input vector x.

References

Jenkins's one_at_a_time hash: https://en.wikipedia.org/wiki/Jenkins_hash_function#one_at_a_time.

See Also

digest

Examples

# NOT RUN {
current <- digest2int("The quick brown fox jumps over the lazy dog", 0L)
target <- 1369346549L
stopifnot(identical(target, current))

# }