Benford Bench: Benford Bench

= Benford Bench — Benford Bench

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Updated 2025-11-08 — Project started 2014.

Welcome to the next generation of Benford Bench — an online data assessment & publishing tool for research in fraud and disorder detection using Benford's Law digit analysis.

Upload CSV for Digit Analysis

How it works: Upload a CSV file containing numeric data. Select the column to analyze. Benford Bench will apply first-digit (and other) analysis, compute chi-square and MAD statistics, and generate a full fraud-risk assessment report.

Data File

CSV File:	Required. Must be a .csv file.
Column #:	Which column contains the numbers to analyze (1 = first column).
	Skip first row (header row) Check this if the first row contains column names, not data.
Analysis Type:	First digit is most common for fraud detection. Second digit adds confidence.
FOIA PDF:	Optional. Attach a supporting FOIA or source document (PDF).

Investigation Details

Source of Data:	Where did this dataset come from?
Subject:	Brief description of what this data represents.
Investigative Reason:
Hypothesis:

Analyst Information

Name:
Position/Role:
Contact:	Stored in the report only; not published publicly.

Reference Documents

0) Introductory article: one.pdf
1) Benford's Law with Time Stamps (catching cheaters): kottke.pdf
2) Benford's Law in legal history: lawhistory.pdf

Ready Benford Bench v2.10 — Benford Bench 2026-03-12