선형회귀 개요 1. 패키지 임포트 import statsmodels.api as sm import statsmodels.formula.api as smf import statsmodels.graphics.api as smg import patsy import matplotlib.pyplot as plt import numpy as np import pandas as pd from scipy import stats 2. 데이터 생성 y=np.array([1,2,3,4,5]) x1=np.array([6,7,8,9,10]) x2=np.array([11,12,13,14,15]) data={"y":y, "x1":x1, "x2":x2} 3. 모델 생성 y, X=patsy.dmatrices("y~1+x1+x2+x1:..
