‘FactorAnalyzer‘ object has no attribute ‘analyze‘和fa.loadings改成fa.loadings报错解决

@Author：Runsen

在使用Python进行因子分析和主成分分析的时候，很多人报：‘FactorAnalyzer’ object has no attribute 'analyze’和fa.loadings改成fa.loadings_。

这是版本的问题：

我们先到 Github的网站看看： https://github.com/EducationalTestingService/factor_analyzer

可以看到对应的更新文档，你就会发现’FactorAnalyzer’ object has no attribute ‘analyze’ 其实是你下载了最新的版本，因为很多FactorAnalyzer的文章都是2018年。

在最新版本没有analyze的APi，因此解决的方法可以回退pip install factor_analyzer==0.2.3

或者直接使用官方文档的示例： https://readthedocs.org/projects/factor-analyzer/

>>> import pandas as pd
>>> from factor_analyzer import FactorAnalyzer
>>> df_features = pd.read_csv('tests/data/test02.csv')
>>> fa = FactorAnalyzer(rotation=None)
>>> fa.fit(df_features)
FactorAnalyzer(bounds=(0.005, 1), impute='median', is_corr_matrix=False,method='minres', n_factors=3, rotation=None, rotation_kwargs={},use_smc=True)
>>> fa.loadings_
array([[-0.12991218,  0.16398154,  0.73823498],[ 0.03899558,  0.04658425,  0.01150343],[ 0.34874135,  0.61452341, -0.07255667],[ 0.45318006,  0.71926681, -0.07546472],[ 0.36688794,  0.44377343, -0.01737067],[ 0.74141382, -0.15008235,  0.29977512],[ 0.741675  , -0.16123009, -0.20744495],[ 0.82910167, -0.20519428,  0.04930817],[ 0.76041819, -0.23768727, -0.1206858 ],[ 0.81533404, -0.12494695,  0.17639683]])
>>> fa.get_communalities()
array([0.588758  , 0.00382308, 0.50452402, 0.72841183, 0.33184336,0.66208428, 0.61911036, 0.73194557, 0.64929612, 0.71149718])

loadings和loadings_ 一样

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‘FactorAnalyzer‘ object has no attribute ‘analyze‘和fa.loadings改成fa.loadings报错解决

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