# utils/preprocessing.py import pandas as pd from sklearn.preprocessing import StandardScaler def preprocess_data_for_streamlit(data_path): df = pd.read_csv(data_path) df = feature_engineering(df) # Assuming feature_engineering is defined X = df.drop('label', axis=1) scaler = StandardScaler() X_scaled = scaler.fit_transform(X) return df, X_scaled