refCat | R Documentation |
A summaryFunction
, intended to be called from
summarize
, which returns the reference level of a factor variable,
i.e. the first category as returned by levels(v)
. This level will serve
as the reference category and get absorbed into the intercept for most standard
model fitting procedures and therefore, it may be convenient to know.
refCat(v, ...)
v |
A variable (vector) of type factor. |
... |
Not in use. |
An object of class summaryResult
with the following entries: $feature
("Reference level"), $result
(the reference level of v
), and $value
(identical to result).
summaryFunction
, summarize
, summaryResult
,
allSummaryFunctions
refCat(factor(letters))
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.