Extend an anchor — extend • kultarr

extend() adds a new predicate to an anchor's existing set of predicates, returning an updated anchors object.

Usage

extend(x, pred)

## S7 method for class <kultarr::anchors>
extend(x, pred)

Arguments

x: Object of S7 class anchors.
pred: Object of S7 class predicate.

Value

An anchors object with the additional predicate.

Methods

extend() is an S7 generic with methods available for the following classes:

kultarr::anchors

Examples

pred_1 <- predicate(
  feature = "x",
  operator = `>`,
  constant = 0.8
)

pred_2 <- predicate(
  feature = "y",
  operator = `<`,
  constant = 0.9
)

anchor <- anchors(
  predicates = c(pred_1)
)

# Add another predicate to the anchor.
extended_anchor <- extend(anchor, pred_2)

extended_anchor
#> <kultarr::anchors>
#>  @ predicates:List of 2
#>  .. $ : <kultarr::predicate>
#>  ..  ..@ feature : chr "x"
#>  ..  ..@ operator: function (e1, e2)  
#>  ..  ..@ constant: num 0.8
#>  .. $ : <kultarr::predicate>
#>  ..  ..@ feature : chr "y"
#>  ..  ..@ operator: function (e1, e2)  
#>  ..  ..@ constant: num 0.9