Sample Suitability Criteria
Goodness of fit of the model
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If there is more than one replicate at each dose: lack of fit error can be compared with pure error via an F test.
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The level (critical p value) can be chosen by the user.
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A 5PL model can be fitted to the data and compared with the 4PL via a likelihood ratio (chi-squared test).
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The level (critical p value) can be chosen by the user.
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Statistical significance of dose response 
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via a one-sample t test comparing 
with zero.
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The level (critical p value) can be chosen by the user
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Parallelism with reference standard
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Ranges for combinations of test and reference parameters can be chosen.
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Difference between equivalent parameters:
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(
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(
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(
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Normalised difference between asymptotes
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Equivalence tests for combinations of test and reference parameters.
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Ranges for the confidence intervals (no default setting) for:
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(
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(
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(
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The confidence level for the each interval can be chosen by the user (no default setting).
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Significance tests for lack of parallelism can be used:
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The level (critical p value) can be chosen by the user.
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The level (critical p value) can be chosen by the user (no default setting).
, 
, 
with the parallel model.