SimplePrintEvalution

public struct SimplePrintEvalution : XGBCallback

A simple callback printer

  • Declaration

    Swift

    public let beforeIteration: Bool

  • Undocumented

    Declaration

    Swift

    public var period: Int

  • Undocumented

    Declaration

    Swift

    public var printPrefix: String

  • Declaration

    Swift

    public init(period: Int = 1, showSTD: Bool = true, printPrefix: String? = nil)

    Parameters

    period

    how often to print the evaluation result
    showSTD

    whether to show the standard deviation
    printPrefix

    the prefix string for each printed message, default as “[Simple callback printer]”

  • Declaration

    Swift

    public func callback(env: CallbackEnv)