Merge branch 'dev' of https://github.com/JuliaAI/MLJBase.jl into dev

Author: ablaom

Project.toml

@@ -22,6 +22,7 @@ Parameters = "d96e819e-fc66-5662-9728-84c9c7592b0a"
 PrettyTables = "08abe8d2-0d0c-5749-adfa-8a2ac140af0d"
 ProgressMeter = "92933f4c-e287-5a05-a399-4b506db050ca"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 ScientificTypes = "321657f4-b219-11e9-178b-2701a2544e81"
 Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
@@ -52,6 +53,7 @@ OrderedCollections = "1.1"
 Parameters = "0.12"
 PrettyTables = "1, 2"
 ProgressMeter = "1.7.1"
+RecipesBase = "1"
 Reexport = "1.2"
 ScientificTypes = "3"
 StatisticalMeasures = "0.1.1"

src/MLJBase.jl

@@ -91,6 +91,9 @@ const Dist = Distributions
 # Measures
 import StatisticalMeasuresBase
 
+# Plots
+using RecipesBase: RecipesBase, @recipe
+
 # from Standard Library:
 using Statistics, LinearAlgebra, Random, InteractiveUtils
 
@@ -172,6 +175,8 @@ include("data/datasets_synthetic.jl")
 
 include("default_measures.jl")
 
+include("plots.jl")
+
 include("composition/models/stacking.jl")
 
 const EXTENDED_ABSTRACT_MODEL_TYPES = vcat(

src/plots.jl

@@ -0,0 +1,5 @@
+@recipe function default_machine_plot(mach::Machine)
+    # Allow downstream packages to define plotting recipes
+    # for their own machine types.
+    mach.fitresult
+end