Fact Sheets on statistical tools commonly used in nutrient criteria development.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Change-Point Analysis (PDF)(2 pp, 830 K)
- Correlation (PDF)(2 pp, 542 K)
- LOESS (or LOWESS) (PDF)(2 pp, 631 K)
- Simple Linear & Non-Linear Regression (PDF)(2 pp, 545 K)
- Conditional Probability (PDF)(2 pp, 1 MB)
- Classification (PDF)(2 pp, 2 MB)
- Weighted Averaging (PDF)(2 pp, 411 K)