本文内容为《Python大战机器学习》参考书第一章线性模型的部分学习笔记
https://www.cnblogs.com/pinard/p/6244265.html LDA原理的一些介绍
简单记忆:数据降维方式的一种...1, 2], [3, 4]]
引入线性判别模型、拟合、预测
from sklearn.discriminant_analysis import LinearDiscriminantAnalysis
LDA...= LinearDiscriminantAnalysis()
LDA.fit(X_train,y_train)
Out[18]:
LinearDiscriminantAnalysis(n_components...(X_train,y_train)
Out[19]: 0.9732142857142857
LDA.predict(X_test)
Out[20]:
array([0, 0, 0, 0, 1, 1,...marker=marker,\
label = "Label%d"%target)
ax.legend(loc="best")
fig.suptitle("Iris After LDA