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Python 如何将功能引用到标签?朴素贝叶斯分类器_Python_Python 3.x_List_Machine Learning_Scikit Learn - Fatal编程技术网

Python 如何将功能引用到标签?朴素贝叶斯分类器

Python 如何将功能引用到标签?朴素贝叶斯分类器,python,python-3.x,list,machine-learning,scikit-learn,Python,Python 3.x,List,Machine Learning,Scikit Learn,我正在尝试适应机器学习NB模型,我的一切都非常干净,但可以将我的功能引用到我的标签,以适应模型: 标签=[[0,0,0,1,1,0],[0,0,1,0,1,1],…] 特征=[[0.1,0.2,0.3,0.4,0.5],[0.11,0.21,0.31,0.41,0.51],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.43,0.53],[0.13,0.23,0.33,0.43,0.53]…] 在

我正在尝试适应机器学习NB模型,我的一切都非常干净,但可以将我的功能引用到我的标签,以适应模型:


标签=[[0,0,0,1,1,0],[0,0,1,0,1,1],…]
特征=[[0.1,0.2,0.3,0.4,0.5],[0.11,0.21,0.31,0.41,0.51],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.43,0.53],[0.13,0.23,0.33,0.43,0.53]…]
在我的问题中,[0.1,0.2,0.3,0.4,0.5]必须指标签中的第一个0,因此分类器给出一个否,[0.11,0.21,0.31,0.41,0.51]指第二个0,也是一个否,[0.12,0.22,0.32,0.42,0.52]指第一个1,因此对于分类器来说是肯定的

如何适应NB分类器或重新排列列表以适应模型


非常感谢。

您可能可以利用一个很棒的
numpy
库,通过它可以以多种不同的方式重新组织输入数据的形状。可能的决定之一如下:

import numpy as np

from sklearn.naive_bayes import GaussianNB

labels = [[0,0,0,1,1,0],
          [0,0,1,0,1,1]]

features = [[[0.1,0.2,0.3,0.4,0.5],
             [0.11,0.21,0.31,0.41,0.51],
             [0.12,0.22,0.32,0.42,0.52],
             [0.12,0.22,0.32,0.42,0.52],
             [0.12,0.22,0.32,0.43,0.53],
             [0.13,0.23,0.33,0.43,0.53]],
           [[0.1,0.2,0.3,0.4,0.5],
             [0.11,0.21,0.31,0.41,0.51],
             [0.12,0.22,0.32,0.42,0.52],
             [0.12,0.22,0.32,0.42,0.52],
             [0.12,0.22,0.32,0.43,0.53],
             [0.13,0.23,0.33,0.43,0.53]]]

labels = np.ravel(labels)
features = np.reshape(features, (-1, 5))

gnb = GaussianNB()
gnb.fit(features, labels) 

隐马尔可夫模型。。。我可能错了,但这不应该是编辑吗?@Jab可能是,是的,我重新安排了一些事情,得到了一些相同的维度列表,但这样做我丢失了95%的数据。我目前正在尝试一次做很多事情,看看哪一件能让我适合这个模型。