A fast fake feature generator
$ ffgen group account -r fraud_detection.yaml | csview
+------+----------------+--------------+------------------+-------------------+
| user | state | credit_score | account_age_days | has_2fa_installed |
+------+----------------+--------------+------------------+-------------------+
| 1 | North Carolina | 619 | 1082 | true |
| 2 | Virginia | 686 | 596 | true |
| 3 | Oregon | 576 | 960 | false |
| 4 | Nevada | 540 | 1049 | false |
| 5 | Massachusetts | 535 | 229 | true |
| 6 | West Virginia | 537 | 462 | false |
| 7 | New York | 665 | 156 | false |
| 8 | Idaho | 706 | 891 | false |
| 9 | Arizona | 667 | 1068 | true |
| 10 | South Carolina | 526 | 541 | true |
+------+----------------+--------------+------------------+-------------------+
Integration with oomstore ``` ffgen schema -r driver_stats.yaml | oomcli apply -f /dev/stdin 2021/11/30 18:55:26 applied
ffgen group account -r fraud_detection.yaml | oomcli import -g account --input-file /dev/stdin 2021/11/30 18:56:31 importing features ... 2021/11/30 18:56:31 succeeded RevisionID: 1 ```
Pre-built versions of ffgen for various architectures are available at Github release page.
Note that you can try the musl version (which is statically-linked) if runs into dependency related errors.
ffgen is also published on crates.io. If you have Rust toolchains (nightly) installed you can use cargo to install it from source:
cargo install --locked ffgen
If you want the latest version, clone this repository and run cargo install --path ..