Check if parameter values contain expressions.

Checks if a parameter, parameter set or list of parameters contain expressions.

hasExpression(obj)

Arguments

obj	(Param() | ParamHelpers::ParamSet() | list) Parameter, parameter set or list of parameters.

Value

logical(1).

Examples

ps1 = makeParamSet(
  makeNumericParam("x", lower = 1, upper = 2),
  makeNumericParam("y", lower = 1, upper = 10)
)

ps2 = makeParamSet(
  makeNumericLearnerParam("x", lower = 1, upper = 2),
  makeNumericLearnerParam("y", lower = 1, upper = expression(p))
)

hasExpression(ps1)
#> [1] FALSE
hasExpression(ps2)
#> [1] TRUE