python决策树多分类代码_绘制决策树分类的多类ROC曲线

我试着用除SVC支持向量机在文档中提供了。我的代码对SVC支持向量机；但是，在我切换到KNeighborsClassifier、多项式nb和DecisionTreeClassifier之后，系统一直告诉我check_consistent_length(y_true, y_score)和{

这是我的密码import pandas as pd

import numpy as np

import matplotlib.pyplot as plt

from itertools import cycle

import sys

from sklearn import svm, datasets

from sklearn.metrics import roc_curve, auc

from sklearn.model_selection import train_test_split

from sklearn.preprocessing import label_binarize

from sklearn.multiclass import OneVsRestClassifier

from scipy import interp

from sklearn.neighbors import KNeighborsClassifier

from sklearn.naive_bayes import MultinomialNB

from sklearn.tree import DecisionTreeClassifier

# Import some data to play with

df = pd.read_csv("E:\autodesk\Hourly and weather categorized2.csv")

X =d