SIGIL: Corpus Frequency Test Wizard

This site provides some online utilities for the project Statistical Inference: A Gentle Introduction for Linguists (SIGIL) by Marco Baroni and Stefan Evert. The main SIGIL homepage can be found at purl.org/stefan.evert/SIGIL.

One sample: frequency estimate (confidence interval)

Frequency count Sample size
extrapolate to items


confidence interval
in format
with significant digits

Two samples: frequency comparison

Frequency count Sample size
Sample 1
Sample 2


confidence interval
in format
with significant digits