因子分析基础

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