Topic: Below-Quantification-Limit Observations

Runs of BQL Records in the Terminal Phase

Sensitivity Analysis Across BQL Methods

Residual Diagnostics When Values Are Censored

Predictive Checks for the Frequency of BQL Samples

Lognormal Observation Models With BQL Data

M1: Deleting Below-Quantification Records

M2: Substituting Half the LLOQ

M3: Using a Censored Likelihood

M4: Substituting the LLOQ

M5–M7 Rules and Implementation Differences