• Study Resource
  • Explore
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Paper Title (use style: paper title)
Paper Title (use style: paper title)

... CONCLUSIONS AND FUTURE WORK ...
Comparison of Artificial Neural Network and Decision Tree
Comparison of Artificial Neural Network and Decision Tree

... identification of original breed standards (Mohammad et al., 2012). To find the prediction equation of live weight from morphological linear characteristics; some common statistical techniques (simple linear regression, multiple linear regression, ridge ...
Course Content What is an Outlier?
Course Content What is an Outlier?

Anomaly Detection in Streaming Sensor Data Abstract Keywords
Anomaly Detection in Streaming Sensor Data Abstract Keywords

... algorithms for information retrieval applications. In these algorithms, when a new data item does not meet the criteria for inclusion in one of the existing clusters, a new cluster is created and two other clusters are merged so that k clusters exist at all times. The algorithms differ in their appr ...
Data
Mining
 Ciro
Donalek
 
 Ay/Bi
199ab:
Methods
of
Computa@onal
Sciences
‐
hCp://esci101.blogspot.com

Data
Mining
 Ciro
Donalek
 
 Ay/Bi
199ab:
Methods
of
Computa@onal
Sciences
‐
hCp://esci101.blogspot.com


Data mining and its applications in medicine
Data mining and its applications in medicine

...  from higher level summary to lower level summary or detailed data, or introducing new dimensions Slice and dice:  project and select ...
Lecture 5 - Wiki Index
Lecture 5 - Wiki Index

... selection is a valuable technique in data analysis for information preserving data reduction, researchers have made use of the rough set theory to construct reducts by which the unsupervised clustering is changed into the supervised reduct. Rule identification involves the application of Datamining ...
Associative Classification Based on Incremental Mining (ACIM)
Associative Classification Based on Incremental Mining (ACIM)

... 3, the training dataset divided into two parts one for original training data and one for incremental data, the incremental data divided into five parts. The implementation performed on five incremental data, thus the second part of the training data that dedicated for incremental data will be divid ...
Data mining and its applications in medicine
Data mining and its applications in medicine

...  from higher level summary to lower level summary or detailed data, or introducing new dimensions Slice and dice:  project and select ...
Research Issues in Automatic Database Clustering
Research Issues in Automatic Database Clustering

... criteria. When clusters reach a certain number of objects they are split into two sub-clusters. The process continues until all objects belong to a cluster. ...
Density-Based Clustering of Polygons
Density-Based Clustering of Polygons

... experiments. We first use a synthetic ddataset which is a 10 × 10 grid of 1 × 1 unit squares. We tthen use two real datasets from a practical application,, i.e. the census tracts of two states in USA – Nebrraska and South Dakota. When DBSCAN was applied oon these datasets, the Euclidean distance was ...
as a PDF
as a PDF

Data Preprocessing for Supervised Leaning
Data Preprocessing for Supervised Leaning

... correctly or incorrectly labelled. The second step is to form a classifier using a new version of the training data for which all of the instances identified as mislabelled are removed. Filtering can be based on one or more of the m base level classifiers’ tags. However, instance selection isn’t onl ...
Density Biased Sampling: An Improved Method for Data Mining and
Density Biased Sampling: An Improved Method for Data Mining and

... Uniform sampling is often used in database and data mining applications and Olken provides an excellent argument for the need to include sampling primitives in databases [17]. Whether or not uniform sampling is the \best" sampling technique must be evaluated on an application by application basis. S ...
Credit scoring with a feature selection approach based deep learning
Credit scoring with a feature selection approach based deep learning

OCARA AS METHOD OF CLASSIFICATION AND ASSOCIATION
OCARA AS METHOD OF CLASSIFICATION AND ASSOCIATION

... is a leaf labelled with Cj. Otherwise, let B be some test with outcomes b1, b2, ..., bt that produces a non-trivial partition of S, and denote by Si the set of cases in S that has ...
Scale-free Clustering - UEF Electronic Publications
Scale-free Clustering - UEF Electronic Publications

... The selection of an appropriate clustering method for a given problem is an even more difficult task than selecting the similarity measure. There are lots of methods available, each with different characteristics. The clustering method can be either hard or fuzzy, depending on whether a data point i ...
Learning Complexity-Bounded Rule
Learning Complexity-Bounded Rule

search engine optimization using data mining approach
search engine optimization using data mining approach

... K-Means is one of the simplest unsupervised learning algorithms that solve the well-known clustering problems. The procedure follows a simple and easy way to classify the given data set through a certain number of clusters (assume k clusters) [9]. The main idea is to define k centroids, one for each ...
Using an Ontology-based Approach for Geospatial Clustering
Using an Ontology-based Approach for Geospatial Clustering

... information systems (GIS) research. It aims to group similar objects into the same group (called cluster) based on their connectivity, density and reachability in space. It can be used to find natural clusters (e.g., extracting the type of land use from the satellite imagery), to identify hot spots ...
PPT
PPT

Rake  - Intelligrate
Rake - Intelligrate

... consecutive days, for amounts that increase steadily by 1,000 € a time. This can be incorporated in the fraud detection mechanisms, but a search has to be carried out first to find any events of the same nature in the previous history, in order to determine whether they are truly "dangerous". In fac ...
Data Mining - Clustering
Data Mining - Clustering

Heart Disease Prediction System using Associative Classification
Heart Disease Prediction System using Associative Classification

... prediction. They used genetic algorithm to predict the heart disease for Andhra Pradesh population [1].Enhanced prediction of heart disease with feature subset selection using genetic algorithm was proposed by M.Ambarasi et al [12].Intelligent and effective heart attack prediction system using data ...
Decision Tree-Based Data Characterization for Meta
Decision Tree-Based Data Characterization for Meta

< 1 ... 44 45 46 47 48 49 50 51 52 ... 169 >

K-means clustering

k-means clustering is a method of vector quantization, originally from signal processing, that is popular for cluster analysis in data mining. k-means clustering aims to partition n observations into k clusters in which each observation belongs to the cluster with the nearest mean, serving as a prototype of the cluster. This results in a partitioning of the data space into Voronoi cells.The problem is computationally difficult (NP-hard); however, there are efficient heuristic algorithms that are commonly employed and converge quickly to a local optimum. These are usually similar to the expectation-maximization algorithm for mixtures of Gaussian distributions via an iterative refinement approach employed by both algorithms. Additionally, they both use cluster centers to model the data; however, k-means clustering tends to find clusters of comparable spatial extent, while the expectation-maximization mechanism allows clusters to have different shapes.The algorithm has a loose relationship to the k-nearest neighbor classifier, a popular machine learning technique for classification that is often confused with k-means because of the k in the name. One can apply the 1-nearest neighbor classifier on the cluster centers obtained by k-means to classify new data into the existing clusters. This is known as nearest centroid classifier or Rocchio algorithm.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report