Attribute Subset Selection, commonly referred to as feature selection, is a crucial step in machine learning and data analysis. It involves identifying the most pertinent attributes or features that contribute to the prediction model while excluding irrelevant or redundant ones. This process helps in improving model accuracy, reducing overfitting, and enhancing computational efficiency. The English short sentences and example sentences related to attribute subset selection serve as valuable resources for understanding the concept and its application in practical scenarios. By studying these sentences, one can gain a comprehensive understanding of the importance and impact of feature selection in the field of data analysis and machine learning.
属性子集选择,attribute subset selection
1)attribute subset selection属性子集选择
2)metalloform-selective金属离子选择性
1.Progress in the studies ofmetalloform-selective methionine aminopeptidase inhibitors;金属离子选择性的甲硫氨酰氨肽酶抑制剂研究进展
英文短句/例句
1.Sythesis and Characterization of Substitutional Benzocrown Ether and the Study on Their Selectivity to Metalic Ions;取代苯并冠醚的合成、表征及其对金属离子选择性的研究
2.Studies on Anion-Selective Electrodes with Ferrocene and Schiff Base Metallic Complexes as Neutral Carriers;以金属配合物为中性载体阴离子选择电极研究
3.The Application of Schiff Base-metal Complexes in Ion-selective Electrodes;席夫碱金属配合物在离子选择性电极中的应用
4.Studies on Anion-Selective Electrode with Organometallic Complexes as Neutral Carriers;有机金属配合物为中性载体的阴离子选择性电极研究
5.Studies on Anion-Selective Electrodes Based on Symmetrical and Unsymmetrical Schiff Based Organic Metallic Complexe as Neutral Carrier;对称和不对称有机金属配合物为中性载体阴离子选择性电极研究
6.Theoretical Study on the Coordination Selectivity between the Metal Cations and Amino Acid and the Active Sites of Nucleic Acid;金属离子及氨基酸与核酸活性位点配位选择性的理论研究
7.Selective Adsorption of Heavy Metal Ions by CMB Modified Gangue of Oceanic Cobalt-rich CrustCMB改性大洋富钴结壳尾矿对重金属离子的选择性吸附
8.Method for analysis of calcium metal--The determination of chlorine content by chloride--Selective electrodeGB/T10267.1-1988金属钙分析方法氯离子选择性电极法测定氯
9.The Application of Schiff Base and Schif Base Metal Complexes in the Study of Ion-selective Electrodes;Schiff碱及其金属配合物在离子选择性电极研究中的应用
10.Studies on Anion-Selective Electrodes with Macrocyclic and Schiff Base Metallic Complexes as Neutral Carriers;杂环金属配合物及Schiff碱金属配合物中性载体阴离子选择性电极研究
11.Scheduling feature selection based on immune binary partial swarm optimization基于免疫离散粒子群算法的调度属性选择
12.Studys on Ion-Selective Electrode of Thiocyanate and Salicylate Based on Schiff Base Metallic Complexes as Neutral Carriers;以Schiff碱金属配合物为中性载体的水杨酸根及硫氰酸根离子选择电极研究
13.Study on bis-Furaldhyde Schiff Base Cupper( II) Metallic Complex as Carriers for the Preparation of Highly Selective Thiocyanate Electrode;双呋喃甲醛Schiff碱金属铜(Ⅱ)配合物为载体的高选择性硫氰酸根离子电极
14.On the SCN -Ion Selective Electrode with Carrier of Complex of Unsymmetrical Schiff Base with Cu(Ⅱ)以不对称席夫碱金属铜(Ⅱ)配合物为载体的硫氰酸根离子选择性电极
15.Researches on Heavy Metal Ion Selective Sensors and Application for Seawater Analysis;重金属离子选择传感器及其在海水分析中应用的研究
16.To Determine Hydrolysis Constant of Weak-acid-strong-alkali Salts through a New Method of Metal Cationic-seleclive Electrodes;金属阳离子选择电极测定弱酸强碱盐水解常数方法研究
17.Selective and Enhanced Biosorption Behavior of Precious Metal Ions on Kinds of Bacteria多种细菌表面贵金属离子选择促进吸附行为的研究
18.Selection on Regenerated Catalyst for Natural Clinoptilolite after Absorbing Pb~(2+) from Wastewater and Determination of Use Condition天然斜发沸石除重金属离子铅再生剂的选择及应用条件的确定
相关短句/例句
metalloform-selective金属离子选择性
1.Progress in the studies ofmetalloform-selective methionine aminopeptidase inhibitors;金属离子选择性的甲硫氨酰氨肽酶抑制剂研究进展
3)representative subset selection代表性子集选择
1.In this paper,a density-based clustering algorithm for using optimiazable K-dissimilarity selection is proposed to reduce the cost of I/O and memory usage via integrate therepresentative subset selection with DBSCAN algorithm.该文提出一种利用最优K相异性算法(OptiSim)的密度聚类算法,通过代表性子集选择技术与DBSCAN算法的结合,可显著降低I/O耗费和内存需求,使之能够有效地处理大规模空间数据库,并提出一种扩展的OptiSim代表性子集选择方法(EOptiSim),它在处理组合数据库方面能弥补基本的OptiSim方法的不足。
4)subset selection子集选择
1.It’s divided into two categories: Thesubset selection method and the data transformation method.将数据维数消减方法主要分为两类:子集选择法和数据变换法。
5)attribute selection属性选择
1.Research on Attribute Selection Algorithm Based on Classification Theory of Corelation between Attributes;基于属性间相关性分类理论的属性选择方法研究
2.This method cam minimize theattribute selection,and keep the ability to classify tax data without great changes.该算法解决了原有基于属性重要度的启发式属性约简算法结果中存在冗余属性问题,实现了属性选择较小化,并保持原有数据分类能力不发生大的变化。
3.At the same time,the solution usingattribute selection and instance selection to realize the approximation mining is brought out,and the mining efficiency and result model.同时,提出使用属性选择和实例选择方法实现近似挖掘的方案,并对该方案进行挖掘效率和结果模型准确性的分析评估。
6)feature selection属性选择
1.Improved BP neural networkfeature selection method一种改进的BP神经网络属性选择方法
2.Feature Selection Method Based on Fractal Dimension and Ant Colony Optimization Algorithm基于分形维数和蚁群算法的属性选择方法
3.Afeature selection measure was defined to increase the classification rate and the purity of each sub-database.利用粗糙集理论,从提高分类正确性和子数据库纯度的角度出发,提出了属性选择量度和分解过程终止量度。
延伸阅读
选择性沉淀富集铂族金属选择性沉淀富集铂族金属concentration of platinum group metal by selective precipitationxuanzexing ehendjan fujj boZu Jjnshu选择性沉淀官集铂族金属(eoneentration ofplatinum group metal by seleetive preeipita-tion)加入沉淀剂或还原剂使溶液中一种或几种铂族金属生成难溶化合物沉淀或还原为金属的铂族金属富集方法。也用于铂族金属精炼生产粉状纯金属。按所用试剂分无机试剂沉淀和有机试剂沉淀两类。无机沉淀剂沉淀按所用的无机沉淀剂又分为硫化钠沉淀、氯化钱沉淀、水合联胺沉淀和金属置换沉淀。硫化钠沉淀硫化钠是阳离子沉淀剂，沉淀反应机理较复杂，生成的沉淀物组成与沉淀温度、硫化钠用量及其加入方式有关。金、把最易和硫化钠作用生成硫化物沉淀，铱最难沉淀完全。工业上用硫化钠从贵金属混合溶液中选择性地定量沉淀金和把，使之与铱分离口沉淀在室温和溶液pHZ到含酸lmol/L的酸度范围内进行，硫化钠用量按金、把生成硫化物的化学计量值控制。溶液中的铂、铐也少量共沉淀。沉淀时加温至沸腾或硫化钠过量，都会生成Na3Aus3、NaZPts3、NaZPdsZ、Na3RhS，、Na3IrS3等可溶性硫代盐，使沉淀不完全。氯化按沉淀NH4CI是铂(w)、把(w)、铱(IV)、钉(IV)等铂族金属氯配阴离子的有效沉淀剂。往含铜、镍、铁阳离子及一个或几个贵金属氯配阴离子的溶液中加入氯化按饱和溶液时，贵金属即生成通式为(NH‘):MeCI;的难溶按盐沉淀，其余金属残留于溶液，过滤后分离。贵金属钱盐的溶解度随溶液中氯化钱浓度的增大而降低，且把(皿)、铱(l)的氯配馁盐溶解度较大，因此方法的技术关键是确保沉淀液含氯化铁在10线以上及使贵金属在溶液中氧化为高价态。氯化按沉淀法也是铂族金属精炼的重要方法之一。水合联胺沉淀水合联胺又名水合麟，分子式NZH;·H刃，是一种液体强还原剂。它在pHZ一3的弱酸性溶液中可选择性地将铂、把、金离子还原成金属状态沉淀，而与其他金属分离。但若将溶液pH提高至6一7，则贱金属也被还原，而失去还原选择性。该法也是从各贵金属纯溶液中还原制备贵金属粉状产品的方法之一。金属置换沉淀镁、锌、铝、铁、铜均可从溶液中还原置换出贵金属，还原置换机理同里换富集铂族金属。20世纪80年代应用的硼氢化钠还原置换效果更好。有机沉淀剂沉淀按所用的有机沉淀剂又分为硫脉沉淀、黄药沉淀、甲酸钠(或甲酸)沉淀、二甲基乙二醛厉沉淀等。硫腮沉淀硫服能与金及各种价态的铂族金属氯配阴离子生成多种分子比的配合物，如〔At，·ZSC(NHZ)〕CI、〔Pt·4SC(NHZ):〕CI:、〔Pd·4SC(NHZ)2〕C12、〔Rh .3SC(NHZ)2〕C13、〔lr·3SC(NHZ)2〕C13、〔05·6SC(NHZ)2〕C13等贵金属硫脉配合物。用硫酸酸化溶液并加热至453一so3K时，这些贵金属硫脉配合物即分解为硫化物沉淀。除铜可部分共沉淀外，其余贱金属仍呈可溶硫酸盐留在溶液中。
