![]() Systematic error as constant and proportional bias, both with confidence intervals - easily identify the source of bias so you can then take action to correct it.Compare methods using the mean of replicates, 1st replicate only, or the 1st replicate of the test method against mean of reference method replicates.Specify imprecision (as a SD or %CV or relative ratio) for methods measured in singlicate (imprecision automatically determined for methods measured in replicate).Supports methods measured in singlicate, duplicate or any number of replicates.Supports Weighted Deming regression – so you can compare methods with non-constant precision (constant CV%) over the measurement range.Supports Deming regression – so you can compare methods with constant precision (constant SD) over the measurement range.Useful for robust implementation of CLSI EP9-A2 method comparison guideline.Unlike linear regression, Deming regression allows measurement error (imprecision) in both the X and Y variables so is ideal for comparing clinical methods. Analyse-it includes Deming regression and Weighted Deming regression so you can compare two analytical methods to determine bias (systematic error).
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