Make Sense of Your Data

Regression Models and Trend Analysis

Statistical analysis of censored data (data with nondetects)

Make sense of your data, from the basics through trend analysis

Getting started with the free statistics software

Step Your Methods Into The 21st Century!

Simple things to do (and not do) with nondetects

Getting the most out of small datasets with NDs

For Data with Multiple Detection Limits

How Censored Data Methods Work

without substituting values for nondetects

Never substitute fractions of the detection limit

What's New, What's Not

Never worry about a normal distribution again!

Which of These Things is Different Than Others?