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  • COMPUTER PROGRAMMING AND SOFTWARE  (2)
  • Principal components analysis  (2)
  • 1990-1994  (4)
  • 1940-1944
  • 1
    Electronic Resource
    Electronic Resource
    A morphometric analysis of extant and early miocene fossil hominoid maxillo-dental specimens (1992)
    Springer
    Primates 33 (1992), S. 377-390 
    Details
    ISSN: 0032-8332
    Keywords: Principal components analysis ; Cluster analysis ; Dental and maxillary patterns
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract It is demonstrated in this paper that before we can hope to formulate phylogenetic relationships between and amongst fossil hominoid material it is first necessary to sex the material accurately. In order to determine whether the morphological and morphometrical variability seen in fossil specimens is due to sexual or inter species dimorphism, it is necessary to calibrate fossil specimens against extant hominoid species' morphologies. Only after fossil specimens have been sexed is it possible to differentiate between morphologies that are related to sex and those that are species specific. This will help reduce fossil misallocation. A morphometric analysis of extant and fossilProconsul hominoid material is presented. Each fossil specimen has been sexed according to symplesiomorphic sex morphologies as defined in this paper. After the fossil specimens have been sexed they are analyzed using multivariate statistics. The identification of differing sex patterns within the specimens examined here suggests that a new species ofProconsul may have to be considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02381199
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Sexual dimorphism in the early Miocene species ofProconsul from the Kisingiri Formation of east Africa: A morphometric examination using multivariate statistics (1991)
    Springer
    Primates 32 (1991), S. 329-343 
    Details
    ISSN: 0032-8332
    Keywords: Hominoidea ; Dental patterns ; Principal components analysis ; Cluster analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract This paper examines the pattern(s) of sexual dimorphism within the upper dentition ofProconsul specimens from the early Miocene of east Africa. These fossils are compared against the corresponding dentition ofPan troglodytes andGorilla gorilla using principal components and cluster analyses. This paper demonstrates that both sexes ofPan andGorilla are characterized by their own distinctive shape patterns. It is also demonstrated that someProconsul specimens examined here display a pattern that is dissimilar from otherProconsul specimens also examined. This suggests that at least two species ofProconsul may have to be recognized as having lived in this region during the early Miocene. The identification of distinct patterns withinProconsul also suggests that their overall shape and size range are more similar toPan than toGorilla.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02382674
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    Paper (German National Licenses)
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  • 3
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    Computing and data processing (1991)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The applications of computers and data processing to astronomy are discussed. Among the topics covered are the emerging national information infrastructure, workstations and supercomputers, supertelescopes, digital astronomy, astrophysics in a numerical laboratory, community software, archiving of ground-based observations, dynamical simulations of complex systems, plasma astrophysics, and the remote control of fourth dimension supercomputers.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: National Academy of Sciences(National Research Council, Working Papers: Astronomy and Astrophysics Panel Reports; 25 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Hardware independence checkout software (1990)
    In:  Other Sources
    Details
    Publication Date: 2013-08-29
    Description: ACSI has developed a program utilizing CLIPS to assess compliance with various programming standards. Essentially the program parses C code to extract the names of all function calls. These are asserted as CLIPS facts which also include information about line numbers, source file names, and called functions. Rules have been devised to establish functions called that have not been defined in any of the source parsed. These are compared against lists of standards (represented as facts) using rules that check intersections and/or unions of these. By piping the output into other processes the source is appropriately commented by generating and executing parsed scripts.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA. Johnson Space Center, First CLIPS Conference Proceedings, Volume 1; p 83-91
    Format: text
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    NASA TECHNICAL REPORTS
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