5PL model
Choosing the model and the analysis options available following this are generally self explanatory. The tables below list the options available.
Default values are shown in red.
Option
|
Selection
|
Notes
|
Transform Dose
|
None
Log 2
Log e
Log 10
c1 x dose + c2
|
|
Transform Response
|
None
Log 2
Log e
Log 10
Square root
Square
c1 x dose + c2
|
c1 x dose + c2 option allows users to add an offset to the dose (c2) or multiply by a constant factor (c1)
|
Use Weights
|
No
Weight A
Weight B
|
Weights the response values according to the variance. See Statistical Guide for details.
|
|
|
|
Method for ratios
|
Delta
Fieller's Theorem
|
|
Outlier Identification
|
No
Grubb's test
Studentised Residuals
|
This option make take some time to compute
|
B Sign
|
Unrestricted
Positive
Negative
|
Choose whether the B parameter is positive or negative, or try both options - see the statistical guide.
|