Search Results - "Freeman, P. E."

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  1. 1

    New image statistics for detecting disturbed galaxy morphologies at high redshift by Freeman, P. E., Izbicki, R., Lee, A. B., Newman, J. A., Conselice, C. J., Koekemoer, A. M., Lotz, J. M., Mozena, M.

    “…Testing theories of hierarchical structure formation requires estimating the distribution of galaxy morphologies and its change with redshift. One aspect of…”
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    Journal Article
  2. 2

    Photometric redshift estimation using spectral connectivity analysis by Freeman, P. E., Newman, J. A., Lee, A. B., Richards, J. W., Schafer, C. M.

    “…The development of fast and accurate methods of photometric redshift estimation is a vital step towards being able to fully utilize the data of next-generation…”
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    Journal Article
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    A unified framework for constructing, tuning and assessing photometric redshift density estimates in a selection bias setting by Freeman, P E, Izbicki, R, Lee, A B

    “…Photometric redshift estimation is an indispensable tool of precision cosmology. One problem that plagues the use of this tool in the era of large-scale sky…”
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    Examining the Effect of the Map-making Algorithm on Observed Power Asymmetry in WMAP Data by Freeman, P. E, Genovese, C. R, Miller, C. J, Nichol, R. C, Wasserman, L

    Published in The Astrophysical journal (10-02-2006)
    “…We analyze first-year data of WMAP to determine the significance of asymmetry in summed power between arbitrarily defined opposite hemispheres. We perform this…”
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    Journal Article
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    Chandra Observations of MBM 12 and Models of the Local Bubble by Smith, R. K, Edgar, R. J, Plucinsky, P. P, Wargelin, B. J, Freeman, P. E, Biller, B. A

    Published in The Astrophysical journal (10-04-2005)
    “…Chandra observations toward the nearby molecular cloud MBM 12 show unexpectedly strong and nearly equal foreground O VIII and O VII emission. As the observed…”
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    Journal Article
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    Local two-sample testing: a new tool for analysing high-dimensional astronomical data by Freeman, P. E., Kim, I., Lee, A. B.

    “…Abstract Modern surveys have provided the astronomical community with a flood of high-dimensional data, but analyses of these data often occur after their…”
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  10. 10

    Local Two-Sample Testing: A New Tool for Analysing High-Dimensional Astronomical Data by Freeman, P. E, Kim, I, Lee, A. B

    Published 14-07-2017
    “…Modern surveys have provided the astronomical community with a flood of high-dimensional data, but analyses of these data often occur after their projection to…”
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    Journal Article
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    Conditional density estimation tools in python and R with applications to photometric redshifts and likelihood-free cosmological inference by Dalmasso, N., Pospisil, T., Lee, A.B., Izbicki, R., Freeman, P.E., Malz, A.I.

    Published in Astronomy and computing (01-01-2020)
    “…It is well known in astronomy that propagating non-Gaussian prediction uncertainty in photometric redshift estimates is key to reducing bias in downstream…”
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    New Image Statistics for Detecting Disturbed Galaxy Morphologies at High Redshift by Freeman, P. E, Izbicki, R, Lee, A. B, Newman, J. A, Conselice, C. J, Koekemoer, A. M, Lotz, J. M, Mozena, M

    Published 05-06-2013
    “…Testing theories of hierarchical structure formation requires estimating the distribution of galaxy morphologies and its change with redshift. One aspect of…”
    Get full text
    Journal Article
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    Photometric Redshift Estimation Using Spectral Connectivity Analysis by Freeman, P. E, Newman, J. A, Lee, A. B, Richards, J. W, Schafer, C. M

    Published 04-06-2009
    “…The development of fast and accurate methods of photometric redshift estimation is a vital step towards being able to fully utilize the data of next-generation…”
    Get full text
    Journal Article
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    Examining the Effect of the Map-Making Algorithm on Observed Power Asymmetry in WMAP Data by Freeman, P. E, Genovese, C. R, Miller, C. J, Nichol, R. C, Wasserman, L

    Published 13-10-2005
    “…Astrophys.J.638:1-19,2006 We analyze first-year data of WMAP to determine the significance of asymmetry in summed power between arbitrarily defined opposite…”
    Get full text
    Journal Article
  19. 19

    Chandra Observations of MBM12 and Models of the Local Bubble by Smith, R. K, Edgar, R. J, Plucinsky, P. P, Wargelin, B. J, Freeman, P. E, Biller, B. A

    Published 04-01-2005
    “…Astrophys.J. 623 (2005) 225-234 Chandra observations toward the nearby molecular cloud MBM12 show unexpectedly strong and nearly equal foreground O VIII and O…”
    Get full text
    Journal Article
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    Political Ideals and Schooling in the People's Republic of China by Freedman, A, Freeman, P. E

    “…Focuses on the relationship between the political ideals of China, as expressed in the ideology of Mao Tse-tung, and the Chinese educational system. Reviews…”
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