[英]How to plot multiple learning curve from different model on the same graph?
我訓練的模型很少,並且想在單個圖上繪制每個模型的學習曲線
我試過這個,並且成功了。 但感覺是多余的。
train_sizes, train_scores, test_scores = learning_curve(model,
train_dummies,
y,
cv=5,
scoring='neg_mean_squared_error')
因為我需要為每個模型重復train_scores和test_scores 。
我嘗試使用for循環。
首先,我將模型保存在一個數組中。
arr = [m1,m2,m3]
但是當我開始for循環時,它只在圖表上生成了一行。
for i in arr:
train_sizes, train_scores, test_scores = learning_curve(i,
train_dummies,
y,
cv=5,
scoring='neg_mean_squared_error')
train_mean = np.mean(train_scores, axis=1)
train_std = np.std(train_scores, axis=1)
test_mean = np.mean(test_scores, axis=1)
test_std = np.std(test_scores, axis=1)
plt.plot(train_sizes, test_mean, label="Cross-validation score")
這是所需的輸出
有人會告訴我我缺少什么嗎? 非常感謝您的時間。
我看不出你在做什么。這對我有用(部分取自這里):
import numpy as np
import matplotlib.pyplot as plt
from sklearn.naive_bayes import GaussianNB
from sklearn.svm import SVC
from sklearn.datasets import load_digits
from sklearn.model_selection import learning_curve
digits = load_digits()
X, y = digits.data, digits.target
for i in [GaussianNB(), SVC(gamma=0.001)]:
(train_sizes,
train_scores,
test_scores) = learning_curve(i, X, y, cv=5)
test_mean = np.mean(test_scores, axis=1)
plt.plot(train_sizes, test_mean, label="Cross-validation score")
plt.legend()
plt.show()
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.