Nutrient
Scientific
Technical
Exchange
Partnership and
Support

Analytical and Sampling Tools

The following 2-page fact sheets contain general statistical information commonly used in nutrient criteria development.

Change-Point Analysis

Correlation

Loess (or Lowess)

Regression

Conditional Probability

Classification

Weighted Averaging

 

Disclaimer: The Nutrient Scientific Technical Exchange Partnership and Support website is a partnership among academic, state, and federal agencies to provide technical support to state and tribal agencies for the development of nutrient criteria.