This help file describes how to input factor details for 2-level and quantitative designs
can be checked to define a common set of factor levels that is used for all factors. The first level corresponds to -1 or the lower bound of the range of a quantitative factor, the second level to +1 or the upper bound of the range of a quantitative factor.
When unchecking the checkbox, levels can be individually adjusted for each factor. WARNING: Re-checking the box after individual level changes looses all settings.
is the frame in which changes
can be made. A factor can be selected by clicking on the arrow below
(and also by clicking on an item in the listboxes below the frame).
Repeatedly jumping through the frame with the
Tab key automatically
cycles through the factors one by one.
Comment or label is included into an exported html file as
annotation for the factor. This may be useful for conducting the experiment.
If factor details have been entered and it is discovered later that the factors
are needed in a different order (e.g. because of the alias structure of a
regular 2-level fractional factorial design), the buttons
Move Up and
Move Down can be used for changing the order of the factors.
can be specified for regular 2-level fractional factorial designs, if special choices have been activated by the checkbox below the tab. This ascertains that the experiment can be run with as few as possible changes in the first (number to be specified) factors.
This should only be used if absolutely unavoidable, as it worsens the information on the affected factors.
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