디렉토리 설정
import os
from os import chdir
chdir('C:/Users/ahndae/Downloads')
os.getcwd()

넘파이, 판다스 씨본, 스케일 설정
import numpy as np
import pandas as pd
import seaborn as sns
from sklearn.preprocessing import scale,robust_scale,minmax_scale

맷프롯립 설정
import matplotlib
import matplotlib.pyplot as plt

import scipy.stats as stats
import statsmodels.api as sm
from statsmodels.formula.api import ols
from sklearn import metrics

나눔고딕체설정
matplotlib.rc('font',family="NanumBarunGothic")

워닝메시지 제거
import warnings
warnings.filterwarnings('ignore')

의사결정 모델 모듈 불러오기

sklearn.tree의 DecisionTreeClassifier

from sklearn.tree import DecisionTreeClassifier

sklearn.tree의 export_graphviz
from sklearn.tree import export_graphviz
import graphviz

랜덤포레스트
from sklearn.ensemble import RandomForestClassifier

데이터 분할 함수
from sklearn.model_selection import train_test_split

그래디언트 부스팅
from sklearn.ensemble import GradientBoostingClassifier

svb 패키지
from sklearn.svm import SVC
스케일 조정 패키지
from sklearn.preprocessing import scale

그리드 탐색 import
from sklearn.model_selection import GridSearchCV