Guidelines for Statistical Treatment of Less Than Detection Limit Data in Dredged Sediment Evaluations

Abstract

This technical note provides recommendations for methods of handling less than detection limit data to permit statistical comparisons of sediment contaminant or bioaccumulation samples in dredged sediment evaluations. Ten censored data methods are evaluated; performance depends upon data characteristics such as equality of variances, type of frequency distribution, and the proportion of the data that is below detection limit.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1995
Accession Number
ADA381000

Tags

DTIC Thesaurus Topics

  • Army
  • Data Science
  • Detection
  • Dredging
  • Ecology
  • Engineers
  • Environmental Pollutants
  • Environmental Protection
  • Information Science
  • Maximum Likelihood Estimation
  • Monte Carlo Method
  • Normal Distribution
  • Observation
  • Statistical Analysis
  • Statistical Distributions
  • Statistical Tests
  • Water Quality

Readers

  • Environmental Engineering.
  • Statistical inference.