我正在尝试创建一个 PyCaret 模型
# load dataset
from pycaret.datasets import get_data
insurance = get_data('insurance')
# init environment
from pycaret.regression import *
r1 = setup(insurance, target = 'charges', session_id = 123,
normalize = True,
polynomial_features = True,
bin_numeric_features= ['age', 'bmi'])
我看到现在已创建 55 列。如何获取 PyCaret 模型的列名称
lr = create_model('lr')
#获取模型列名称
lr.feature_names_in_