'Cluster distance' diaporamas de présentation

Text Document Clustering

Text Document Clustering. C. A. Murthy Machine Intelligence Unit Indian Statistical Institute. Text Mining Workshop 2014. What is clustering?. Clustering provides the natural groupings in the dataset. Documents within a cluster should be similar.

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Clustering

Clustering. Example application: posterizing. Lots of pixels, many colors Want to pick just a few colors Solution: treat RGB triples as points in R 3 and cluster Use center points of clusters as new colors. Posterization problems.

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Clustering of Streaming Time Series is Meaningless

Clustering of Streaming Time Series is Meaningless. presentation by Rafal Ladysz after the original paper by Eamonn Keogh Jessica Lin Wagner Truppel Computer Science & Engineering, University of California-Riverside. interesting and important topic.

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Nearest Neighbors in High-Dimensional Data: The Emergence and Influence of Hubs

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Cluster Analysis ( ?? ?? )

Cluster Analysis ( ?? ?? ). Cluster Analysis ?. (1) Primary Objective : ??? ??? ???? ??? ?? , ??? ??? ?? ???? ????? ???? ???? ???? ? (2) Basic Principle

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ECE 471/571 - Lecture 19

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Wide-area Network Measurement and Monitoring Services

Wide-area Network Measurement and Monitoring Services. Yan Chen and Randy Katz {yanchen, randy}@CS.Berkeley.EDU. Lots of applications/services may benefit from end-to-end distance monitoring/estimation Mirror Selection - VPN Management/Provisioning

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Genetic Divergence Studies in Black Gram Vigna Mungo L. Hepper

The experiment was conducted during 2017 2018 to estimate the genetic divergence, using 120 black gram genotypes for nine quantitative characters. Among the nineteen clusters, cluster I had maximum number of genotypes 62 followed by the cluster III 16 genotypes , cluster XIV 11 genotypes , cluster 9 genotypes . Clusters XV and XVII 4 genotypes and cluster XVIII 2 genotypes . The clusters viz., II, IV, V, VI, VII, VIII, IX, X, XII, XIII, XVI and XIX had one genotype each. The cluster XVII exhibited the maximum intra cluster distance. The maximum inter cluster distance was recorded between cluster XIX and IV. The maximum genetic divergence per cent was contributed by the trait number of clusters per plant. The cluster II and VI had the lowest mean value for days to 50 flowering and the cluster VII had the highest mean value for the trait and number of pods per plant. L. Priya | M. Arumugam Pillai | D. Shoba | N. Aananthi "Genetic Divergence Studies in Black Gram (Vigna Mungo (L.) Hepper)" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-5 , August 2018, URL: https://www.ijtsrd.com/papers/ijtsrd16958.pdf Paper URL: http://www.ijtsrd.com/biological-science/allied-sciences/16958/genetic-divergence-studies-in-black-gram-vigna-mungo-l-hepper/l-priya

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Sunyaev-Zeldovich effect

Sunyaev-Zeldovich effect. Hot gas in clusters of galaxies scatters CMB photons, causing spectral distortion this effect is independent of cluster distance depends on nD where n is electron density and D is cluster diameter Gas also emits X-rays

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