因子分析与PCA比较

def solve():
    import numpy as np
    from sklearn.datasets import load_iris
    from sklearn.preprocessing import StandardScaler
    from sklearn.decomposition import FactorAnalysis, PCA
    iris = load_iris()
    X = iris.data
    scaler = StandardScaler()
    X_s = scaler.fit_transform(____)
    fa = FactorAnalysis(____)
    pca = PCA(____)
    X_fa = fa.fit_transform(____)
    X_pca = pca.fit_transform(____)
    print(____)