Description Usage Arguments Details Value See Also
Define a surrogate varible from existing features, and specify associated lower and upper cutoffs.
1 | PhecapSurrogate(variable_names, lower_cutoff = 1L, upper_cutoff = 10L)
|
variable_names |
a character scalar or vector consisting of variable names. If a vector is given, the value of the surrogate is defined as the sum of the values of each variable. |
lower_cutoff |
a numeric scalar. If the surrogate value of a patient is less than or equal to this cutoff, then this patient is treated as a control in SAFE. |
upper_cutoff |
a numeric scalar. If the surrogate value of a patient is greater than or equal to this cutoff, then this patient is treated as a case in SAFE. |
This function only stores the definition. No calculation is done.
An object of class PhecapSurrogate
.
See PheCAP-package
for code examples.
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