Machine Learning Basic Knowledge
常用的数据挖掘&机器学习知识(点)
Basis(基础):
MSE(MeanSquare Error 均方误差),LMS(Least MeanSquare 最小均方),LSM(Least Square Methods 最小二乘法),MLE(Maximum LikelihoodEstimation最大似然估计),QP(QuadraticProgramming 二次规划), CP(ConditionalProbability条件概率),JP(Joint Probability 联合概率),MP(Marginal Probability边缘概率),Bayesian Formula(贝叶斯公式),L1 /L2Regularization(L1/L2正则,以及更多的,现在比较火的L2.5正则等),GD(Gradient Descent 梯度下降),SGD(Stochastic GradientDescent 随机梯度下降),Eigenvalue(特征值),Eigenvector(特征向量),QR-decomposition(QR分解),Quantile (分位数),Covariance(协方差矩阵)。
Common Distribution(常见分布):
Discrete Distribution(离散型分布):Bernoulli Distribution/Binomial(贝努利分步/二项分布),Negative BinomialDistribution(负二项分布),Multinomial Distribution(多式分布),Geometric Distribution(几何分布),Hypergeometric Distribution(超几何分布),Poisson Distribution (泊松分布)
ContinuousDistribution (连续型分布):Uniform Distribution(均匀分布),Normal Distribution/GaussianDistribution(正态分布/高斯分布),Exponential Distribution(指数分布),Lognormal Distribution(对数正态分布),Gamma Distribution(Gamma分布),Beta Distribution(Beta分布),Dirichlet Distribution(狄利克雷分布),Rayleigh Distribution(瑞利分布),Cauchy Distribution(柯西分布),Weibull Distribution (韦伯分布)
Three Sampling Distribution(三大抽样分布):Chi-square Distribution(卡方分布),t-distribution(t-distribution),F-distribution(F-分布)
Data Pre-processing(数据预处理):
MissingValue Imputation(缺失值填充),Discretization(离散化),Mapping(映射),Normalization(归一化/标准化)。
Sampling(采样):
SimpleRandom Sampling(简单随机采样),Offline Sampling(离线等可能K采样),Online Sampling(在线等可能K采样),Ratio-based Sampling(等比例随机采样),Acceptance-rejection Sampling(接受-拒绝采样),Importance Sampling(重要性采样),MCMC(Markov Chain MonteCarlo 马尔科夫蒙特卡罗采样算法:Metropolis-Hasting& Gibbs)。
Clustering(聚类):
K-Means,K-Mediods,二分K-Means,FK-Means,Canopy,Spectral-KMeans(谱聚类),GMM-EM(混合高斯模型-期望最大化算法解决),K-Pototypes,CLARANS(基于划分),BIRCH(基于层次),CURE(基于层次),DBSCAN(基于密度),CLIQUE(基于密度和基于网格),2014年Science上的密度聚类算法等
Clustering EffectivenessEvaluation(聚类效果评估):
Purity(纯度),RI(Rand Index,芮氏指标),ARI(Adjusted Rand Index,调整的芮氏指标),NMI(NormalizedMutual Information,规范化互信息),F-meaure(F测量)等。
Classification&Regression(分类&回归):
LR(LinearRegression 线性回归),LR(Logistic Regression逻辑回归),SR(SoftmaxRegression 多分类逻辑回归),GLM(Generalized LinearModel 广义线性模型),RR(Ridge Regression 岭回归/L2正则最小二乘回归),LASSO(Least AbsoluteShrinkage and Selectionator Operator L1正则最小二乘回归), RF(随机森林),DT(Decision Tree决策树),GBDT(Gradient BoostingDecision Tree 梯度下降决策树),CART(Classification AndRegression Tree 分类回归树),KNN(K-Nearest Neighbor K近邻),SVM(Support Vector Machine,支持向量机,包括SVC(分类)&SVR(回归)),KF(Kernel Function 核函数Polynomial KernelFunction 多项式核函数、Guassian Kernel Function 高斯核函数/Radial Basis Function RBF径向基函数、String Kernel Function 字符串核函数)、 NB(Naive Bayes 朴素贝叶斯),BN(BayesianNetwork/Bayesian Belief Network/Belief Network 贝叶斯网络/贝叶斯信度网络/信念网络),LDA(Linear DiscriminantAnalysis/Fisher Linear Discriminant 线性判别分析/Fisher线性判别),EL(Ensemble Learning集成学习Boosting,Bagging,Stacking),AdaBoost(AdaptiveBoosting 自适应增强),MEM(Maximum Entropy Model最大熵模型)
Classification EffectivenessEvaluation(分类效果评估):
ConfusionMatrix(混淆矩阵),Precision(精确度),Recall(召回率),Accuracy(准确率),F-score(F得分),ROC Curve(ROC曲线),AUC(AUC面积),Lift Curve(Lift曲线) ,KS Curve(KS曲线)。
PGM(ProbabilisticGraphical Models概率图模型):
BN(BayesianNetwork/Bayesian Belief Network/ Belief Network 贝叶斯网络/贝叶斯信度网络/信念网络),MC(Markov Chain 马尔科夫链),HMM(Hidden MarkovModel 马尔科夫模型),MEMM(Maximum EntropyMarkov Model 最大熵马尔科夫模型),CRF(Conditional RandomField 条件随机场),MRF(Markov RandomField 马尔科夫随机场)。
NN(Neural Network神经网络):
ANN(ArtificialNeural Network 人工神经网络),BP(Error Back Propagation 误差反向传播),HN(Hopfield Network),
RNN(Recurrent Neural Network,循环神经网络),SRN(Simple Recurrent Network,简单的循环神经网络),ESN(Echo State Network,回声状态网络),LSTM(Long Short Term Memory 长短记忆神经网络),CW-RNN(Clockwork
Recurrent Neural Network,时钟驱动循环神经网络,2014ICML)等。
Deep Learning(深度学习):
Auto-encoder(自动编码器),SAE(Stacked Auto-encoders堆叠自动编码器:Sparse Auto-encoders稀疏自动编码器、Denoising Auto-encoders去噪自动编码器、ContractiveAuto-encoders 收缩自动编码器),RBM(Restricted BoltzmannMachine 受限玻尔兹曼机),DBN(Deep BeliefNetwork 深度信念网络),CNN(Convolutional NeuralNetwork 卷积神经网络),Word2Vec(词向量学习模型)。
Dimensionality Reduction(降维):
LDA(LinearDiscriminant Analysis/Fisher Linear Discriminant 线性判别分析/Fish线性判别),PCA(Principal ComponentAnalysis 主成分分析),ICA(Independent ComponentAnalysis 独立成分分析),SVD(Singular ValueDecomposition 奇异值分解),FA(Factor Analysis 因子分析法)。
Text Mining(文本挖掘):
VSM(Vector SpaceModel向量空间模型),Word2Vec(词向量学习模型),TF(Term Frequency词频),TF-IDF(TermFrequency-Inverse Document Frequency 词频-逆向文档频率),MI(Mutual Information 互信息),ECE(Expected CrossEntropy 期望交叉熵),QEMI(二次信息熵),IG(Information Gain 信息增益),IGR(InformationGain Ratio 信息增益率),Gini(基尼系数),x2 Statistic(x2统计量),TEW(Text EvidenceWeight文本证据权),OR(OddsRatio 优势率),N-Gram Model,LSA(LatentSemantic Analysis 潜在语义分析),PLSA(ProbabilisticLatent Semantic Analysis 基于概率的潜在语义分析),LDA(Latent DirichletAllocation 潜在狄利克雷模型),SLM(StatisticalLanguage Model,统计语言模型),NPLM(NeuralProbabilistic Language Model,神经概率语言模型),CBOW(Continuous Bag of Words Model,连续词袋模型),Skip-gram(Skip-gramModel)等。
Association Mining(关联挖掘):
Apriori,FP-growth(FrequencyPattern Tree Growth 频繁模式树生长算法),AprioriAll,Spade。
Recommendation Engine(推荐引擎):
DBR(Demographic-basedRecommendation 基于人口统计学的推荐),CBR(Context-based Recommendation 基于内容的推荐),CF(Collaborative Filtering协同过滤),UCF(User-based CollaborativeFiltering Recommendation 基于用户的协同过滤推荐),ICF(Item-based CollaborativeFiltering Recommendation 基于项目的协同过滤推荐)。
SimilarityMeasure&Distance Measure(相似性与距离度量):
EuclideanDistance(欧式距离),Manhattan Distance(曼哈顿距离),Chebyshev Distance(切比雪夫距离),Minkowski Distance(闵可夫斯基距离),Standardized EuclideanDistance(标准化欧氏距离),Mahalanobis Distance(马氏距离),Cos(Cosine 余弦),Hamming Distance/EditDistance(汉明距离/编辑距离),Jaccard Distance(杰卡德距离),Correlation CoefficientDistance(相关系数距离),Information Entropy(信息熵),KL(Kullback-LeiblerDivergence KL散度/Relative Entropy 相对熵)。
Optimization(最优化):
Non-constrained Optimization(无约束优化):Cyclic Variable Methods(变量轮换法),Pattern Search Methods(模式搜索法),Variable Simplex Methods(可变单纯形法),Gradient Descent Methods(梯度下降法),Newton Methods(牛顿法),Quasi-Newton Methods(拟牛顿法),Conjugate GradientMethods(共轭梯度法)。
ConstrainedOptimization(有约束优化):Approximation ProgrammingMethods(近似规划法),Feasible DirectionMethods(可行方向法),Penalty Function Methods(罚函数法),Multiplier Methods(乘子法)。
HeuristicAlgorithm(启发式算法),SA(Simulated Annealing,模拟退火算法),GA(genetic algorithm遗传算法)
Feature Selection(特征选择):
MutualInformation(互信息),Document Frequence(文档频率),Information Gain(信息增益),Chi-squared Test(卡方检验),Gini(基尼系数)。
Outlier Detection(异常点检测):
Statistic-based(基于统计),Distance-based(基于距离),Density-based(基于密度),Clustering-based(基于聚类)。
Learning to Rank(基于学习的排序):
Pointwise:McRank;
Pairwise:RankingSVM,RankNet,Frank,RankBoost;
Listwise:AdaRank,SoftRank,LamdaMART;
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