Scalable_Pipeline_Article

libraries.py

import pandas as pd
import numpy as np
from sklearn.base import BaseEstimator, TransformerMixin
from sklearn.compose import ColumnTransformer, make_column_selector as Selector
from sklearn.decomposition import PCA
from sklearn.experimental import enable_iterative_imputer
from sklearn.impute import IterativeImputer, SimpleImputer
from sklearn.svm import SVC
from sklearn.feature_selection import SelectKBest, chi2
from sklearn.model_selection import train_test_split, GridSearchCV
from sklearn.preprocessing import StandardScaler, OneHotEncoder, OrdinalEncoder
from sklearn.pipeline import Pipeline, FeatureUnion

df = pd.read_csv('./data/train.csv')