Nondetects and data analysis : statistics for censored environmental data

Preface. Acknowledgments. Introduction: An Accident Waiting To Happen. 1. In Focus. 2. The Three Approaches. 3. Reporting Limits. 4. Storing Data in Databases. 5. Plotting Data With Nondetects. 6. Computing Summary Statistics. 7. Computing Interval Estimates. 8. What Can Be Done When All Data Are Below the Reporting Limits? 9. Comparing Two Groups. 10. Comparing Three or More Groups. 11. Correlation. 12. Regression and Trends. Appendix: Datasets. References. Index.