# Benford's Law Analysis
Detect anomalies in numerical data using Benford's Law (first digit distribution).
```console
$ lawkit benf tests/fixtures/benf_data.txt
Benford Law Analysis Results
Dataset: tests/fixtures/benf_data.txt
Numbers analyzed: 100
[LOW] Dataset analysis
First Digit Distribution:
1: ███████████████┃░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 30.0% (expected: 30.1%)
2: █████████┃░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 18.0% (expected: 17.6%)
3: ██████┃░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 12.0% (expected: 12.5%)
...
```
## Quiet Mode
```console
$ lawkit benf tests/fixtures/benf_data.txt -q
chi_square: 1.234
p_value: 0.987
risk_level: Low
```
## JSON Output
```console
$ lawkit benf tests/fixtures/benf_data.txt -f json
{
"dataset_name": "tests/fixtures/benf_data.txt",
"numbers_analyzed": 100,
"risk_level": "Low",
...
}
```