Description
Interface to the Google 'FarmHash' Family of Hash Functions.
Description
The Google 'FarmHash' family of hash functions is used by the Google 'BigQuery' data warehouse via the 'FARM_FINGERPRINT' function. This package permits to calculate these hash digest fingerprints directly from R, and uses the included 'FarmHash' files written by G. Pike and copyrighted by Google, Inc.
README.md
Rcpp Interface to the Google FarmHash Family of Hash Functions
Motivation
Google BigQuery uses FarmHash in its FARM_FINGERPRINT function. By using the same underlying FarmHash library, this package allows R users to compute the same hash digest fingerprints.
Example
> suppressMessages({ library(RcppFarmHash); library(bit64) })
> farmhash(c("foo", "bar", "baz"))
integer64
[1] 6150913649986995171 -98778129085727977 3758908700204700005
>
Installation
The package can be installed from CRAN via the usual command
install.packages("RcppFarmHash")
or, alternatively, also directly from the source repository:
remotes::install_github("eddelbuettel/rcppfarmhash")
License
This package is licensed under the GNU GPL, Version 2 or later.
FarmHash is licensed under the MIT license.
Author
For the R package, Dirk Eddelbuettel.
For everything pertaining to FarmHash, Geoff Pike and contributors.