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propositional_trees_builder.jl
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propositional_trees_builder.jl
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using Pkg
Pkg.activate(".")
using MLJ, ModalDecisionTrees
using SoleDecisionTreeInterface, Sole, SoleData
using CategoricalArrays
using DataFrames, JLD2, CSV
using Audio911
using Random
using StatsBase, Catch22
using Test
using Plots
# ---------------------------------------------------------------------------- #
# settings #
# ---------------------------------------------------------------------------- #
experiment = :Pneumonia
# experiment = :Bronchiectasis
# experiment = :COPD
# experiment = :URTI
# experiment = :Bronchiolitis
scale = :semitones
# scale = :mel_htk
featset = (:mfcc, :f0, :spectrals)
# featset = (:mfcc,)
# featset = (:f0,)
# featset = (:mfcc, :f0)
features = :catch9
# features = :minmax
# features = :custom
sr = 8000
audioparams = (
sr = sr,
nfft = 512,
mel_scale = scale, # :mel_htk, :mel_slaney, :erb, :bark, :semitones, :tuned_semitones
mel_nbands = scale == :semitones ? 14 : 26,
mfcc_ncoeffs = scale == :semitones ? 7 : 13,
mel_freqrange = (300, round(Int, sr / 2)),
mel_dbscale = :mfcc in featset ? false : true,
audio_norm = true,
)
avail_exp = [:Pneumonia, :Bronchiectasis, :COPD, :URTI, :Bronchiolitis]
@assert experiment in avail_exp "Unknown type of experiment: $experiment."
findhealthy = y -> findall(x -> x == "Healthy", y)
ds_path = "/datasets/respiratory_Healthy_" * String(experiment)
findsick = y -> findall(x -> x == String(experiment), y)
filename = "/datasets/itadata2024_" * String(experiment) * "_files"
destpath = "results/propositional/$scale"
:mfcc in featset ? destpath *= "_mfcc/" : destpath *= "/"
jld2file = destpath * "/itadata2024_" * String(experiment) * "_" * String(scale) * ".jld2"
dsfile = destpath * "/ds_test_" * String(experiment) * "_" * String(scale) * ".jld2"
color_code = Dict(:red => 31, :green => 32, :yellow => 33, :blue => 34, :magenta => 35, :cyan => 36);
r_select = r"\e\[\d+m(.*?)\e\[0m";
# ---------------------------------------------------------------------------- #
# prepare dataset for training #
# ---------------------------------------------------------------------------- #
d = jldopen(string((@__DIR__), ds_path, ".jld2"))
x, y = d["dataframe_validated"]
@assert x isa DataFrame
close(d)
freq = round.(Int, audio_features(x[1, :audio], audioparams.sr; featset=(:get_only_freqs), audioparams...))
catch9_f = ["max", "min", "mean", "med", "std", "bsm", "bsd", "qnt", "3ac"]
variable_names = vcat([
vcat(
["\e[$(color_code[:yellow])m$j(mel$i=$(freq[i])Hz)\e[0m" for i in 1:audioparams.mel_nbands],
:mfcc in featset ? ["\e[$(color_code[:red])m$j(mfcc$i)\e[0m" for i in 1:audioparams.mfcc_ncoeffs] : String[],
:f0 in featset ? ["\e[$(color_code[:green])m$j(f0)\e[0m"] : String[],
"\e[$(color_code[:cyan])m$j(cntrd)\e[0m", "\e[$(color_code[:cyan])m$j(crest)\e[0m",
"\e[$(color_code[:cyan])m$j(entrp)\e[0m", "\e[$(color_code[:cyan])m$j(flatn)\e[0m", "\e[$(color_code[:cyan])m$j(flux)\e[0m",
"\e[$(color_code[:cyan])m$j(kurts)\e[0m", "\e[$(color_code[:cyan])m$j(rllff)\e[0m", "\e[$(color_code[:cyan])m$j(skwns)\e[0m",
"\e[$(color_code[:cyan])m$j(decrs)\e[0m", "\e[$(color_code[:cyan])m$j(slope)\e[0m", "\e[$(color_code[:cyan])m$j(sprd)\e[0m"
)
for j in catch9_f
]...)
catch9 = [
maximum,
minimum,
StatsBase.mean,
median,
std,
Catch22.SB_BinaryStats_mean_longstretch1,
Catch22.SB_BinaryStats_diff_longstretch0,
Catch22.SB_MotifThree_quantile_hh,
Catch22.SB_TransitionMatrix_3ac_sumdiagcov,
]
@info("Build dataset...")
X = DataFrame([name => Float64[] for name in [match(r_select, v)[1] for v in variable_names]])
audiofeats = [audio_features(row[:audio], audioparams.sr; featset=featset, audioparams...) for row in eachrow(x)]
push!(X, vcat([vcat([map(func, eachcol(row)) for func in catch9]...) for row in audiofeats])...)
yc = CategoricalArray(y);
train_ratio = 0.8
train, test = partition(eachindex(yc), train_ratio, shuffle=true)
X_train, y_train = X[train, :], yc[train]
X_test, y_test = X[test, :], yc[test]
save(dsfile, Dict("X_test" => X_test, "y_test" => y_test))
println("Training set size: ", size(X_train), " - ", length(y_train))
println("Test set size: ", size(X_test), " - ", length(y_test))
# ---------------------------------------------------------------------------- #
# train a model #
# ---------------------------------------------------------------------------- #
# learned_dt_tree = begin
Tree = MLJ.@load DecisionTreeClassifier pkg=DecisionTree
model = Tree(max_depth=-1, )
mach = machine(model, X_train, y_train)
fit!(mach)
learned_dt_tree = fitted_params(mach).tree
# end
# ---------------------------------------------------------------------------- #
# model inspection & rule study #
# ---------------------------------------------------------------------------- #
sole_dt = solemodel(learned_dt_tree)
# Make test instances flow into the model, so that test metrics can, then, be computed.
apply!(sole_dt, X_test, y_test);
# Save solemodel to disk
save(jld2file, Dict("sole_dt" => sole_dt))
# Print Sole model
printmodel(sole_dt; show_metrics = true, variable_names_map = variable_names);
@info("Done.")