maxObjective | R Documentation |
Create max
-constraints related to an item parameter/value. That is, the created
constraints can be used to maximize the sum of the
item values (itemValues
) of the test form.
Note that this constraint can only be used when only one test form has to be assembled.
maxObjective(
nForms,
itemValues,
weight = 1,
whichForms = seq_len(nForms),
info_text = NULL,
itemIDs = names(itemValues)
)
nForms |
Number of forms to be created. |
itemValues |
Item parameter/values for which the sum per test form should be constrained. |
weight |
a weight for the real-valued variable(s). Useful when multiple constraints are combined. Should only be used if the implications are well understood. |
whichForms |
An integer vector indicating which test forms should be constrained. Defaults to all the test forms. |
info_text |
a character string of length 1, to be used in the |
itemIDs |
a character vector of item IDs in correct ordering, or NULL. |
An object of class "constraint"
.
# constraint that maximizes the sum of the itemValues
maxObjective(nForms = 1, itemValues = rep(-2:2, 2))
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