机器学习之探索学习曲线learning curve

import numpy as np
import matplotlib.pyplot as plt
from sklearn.naive_bayes import GaussianNB
from sklearn.svm import SVC
from sklearn.ensemble import RandomForestClassifier as RFC
from sklearn.tree import DecisionTreeClassifier as DTC
from sklearn.datasets import load_digits
from sklearn.model_selection import learning_curve
from sklearn.model_selection import ShuffleSplit
from time import time
import datetime
import warnings
warnings.filterwarnings("ignore")

def plot_learning_curve(estimator,title,x,y,ax,ylim= None,cv = None,n_jobs= None)