python机器学习中英

发布时间:2019-08-20 07:47:09编辑:auto阅读(1826)

    监督学习,supervised learning

    无监督学习,unsupervised learning

    分类,classificat

    回归,regression

    降维,dimensionality reduction

    聚类,clustering

    特征向量,feature vector

    编译语言,complied languages

    解释型语言,interpreted languages

    解释器,interpreter

    布尔值,boolean

    元组,tuple

    算术运算,arithmetic operators

    比较运算,comparison operators

    赋值运算,assignment operators

    逻辑运算,logical operators

    成员运算,menbership operators

    二分类,binary classification

    多分类,multiclass classification

    多标签分类,multi-lable classification

    线性分类器,linear classification

    系数,coefficient

    截距,intercept

    参数,parameters

    随机梯度上升,stochastic gradient ascend(SGA)

    预测结果,predicted condition

    正确标记,true condition

    混淆矩阵,confusion matrix

    准确性,accuracy

    召回率,recall

    精确率,precision

    随机梯度下降模型,SGD Classifier

    支持向量机分类器,support vector classifier

    朴素贝叶斯,naive bayes

    K近邻分类器,KNeighborsClassifier

    无参数模型,nonparametric model

    信息熵,information gain

    基尼不纯性,gini impurity

    集成,ensemble

    单一决策树,decision tree

    随机森林分类器,random forest classifier

    梯度提升决策树,gradient tree boosting

    平均绝对误差,mean absolute error(MAE)

    均方误差,mean squared error(MSE)

    极端随机森林,extremely randomized trees

    随机回归森林,randomforestregressor

    极端回归森林,extratreesregressor

    核函数,kernal


    scikit-learn

    针对房价预测的回归预测能力排名,R-squared(用来衡量模型回归结果的波动可被真实值验证的百分比,也暗示了模型在数值回归方面的能力)

    1,gradient boosting regressor,0.8426

    2,extra trees regressor,0.8195

    3,random forest regressor,0.8024

    4,SVM regressor(RBF kernel),0.7564

    5,KNN regressor(distance-weighted),0.7198

    6,decision tree regressor,0.6941

    7,KNN regressor(uniform-weighted),0.6903

    8,linear regressor,0.6763

    9,SGDregressor,0.6599

    10,SVM regressor(linear kernel),0.6517

    11,SVM regressor(poly kernel),0.4045


    泛化力,generalization

    正则化,regularization

    过拟合,overfitting


    留一验证,leave-one-out cross validation

    交叉验证,K-flod cross-validation

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