Use of observations below detection limit for model calibration
Censored (nondetect) values occur when chemical concentrations in water samples are near or below the level that can be measured by an analysis method. It is common to either delete or substitute values for nondetect observations for use in model calibration, but this practice can bias the estimated...
Veröffentlicht in: | Ground water. - 1979. - 47(2009), 2 vom: 01. März, Seite 228-36 |
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Format: | Online-Aufsatz |
Sprache: | English |
Veröffentlicht: |
2009
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Zugriff auf das übergeordnete Werk: | Ground water |
Schlagworte: | Journal Article Research Support, Non-U.S. Gov't Water 059QF0KO0R |
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