코드를 통해서 알아본다 . from sklearn.datasets import load_breast_cancer from sklearn.model_selection import train_test_split from sklearn.neighbors import KNeighborsClassifier import sklearn.datasets import scipy as sp import numpy as np import matplotlib.pyplot as plt import pandas as pd import mglearn cancer = load_breast_cancer() X_train, X_test, y_train, y_test = train_test_split(cancer.data, cancer...