#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Mon Oct  5 09:50:24 2020

@author: tanya
"""

from sklearn.ensemble import RandomForestClassifier
from sklearn.feature_selection import SelectPercentile
from sklearn.linear_model import LogisticRegression
from sklearn.decomposition import PCA
from sklearn.pipeline import Pipeline
from sklearn.preprocessing import StandardScaler


space = [
        {"name": "std_scaler_kbest_rf",
         "pipeline": Pipeline([
                 ("std_scaler", StandardScaler()),
                 ("kbest", SelectPercentile()),
                 ("rf", RandomForestClassifier())]),
         "params": {"kbest__percentile": [2, 3],
                    "rf__n_estimators": [10, 20]}},

        {"name": "std_scaler_pca_lr",
         "pipeline": Pipeline([
                 ("std_scaler", StandardScaler()),
                 ("pca", PCA()),
                 ("lr", LogisticRegression())]),
         "params": {"lr__C": [0.5, 1],
                    "pca__n_components": [2, 3]}}
        ]