31,868 research outputs found

    Examining structural shifts in mortality using the Lee-Carter method

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    We present an extension of the Lee-Carter method of modeling mortality to examine structural shifts in trajectories of mortality. Austrian data consisting of 53 years of single-age mortality rates are subdivided into 30 24-year submatrices. Using singular value decomposition, the submatrices are decomposed into three component submatrices: 1) the multiple realizations of the index of mortality to which each respective age-specific death rate is linearly related; 2) the average shape across age of the log of mortality schedules; 3) the sensitivity of the log of mortality at each age to variations in the elements of the index of mortality. We refer to these latter submatrices to locate structural changes in mortality patterns. A comparison of the observed and estimated life expectancy indicates that the extended Lee-Carter method is superior to the original Lee-Carter method, particularly so for life expectancies at higher ages. We conclude by projecting life expectancy up to 2050, applying the Lee-Carter method to the whole time series (1947-1999) and comparing it to an application of the Lee-Carter method to the latest subsample (1976-1999). (AUTHORS)

    Notes by Amon Carter

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    Handwritten notes by Amon Carter regarding contributions to Paul Whiteman, American bandleader, and Billy Rose, theatrical producer, parties.Sallie Rand 50 for JCO Fund Earl Brown 10 Bomar 50 Bewley 25 Gay Chizum 25 Lou Green 25 Jack Herbert 25 Moncrief Washer Bros 25 Duncan 50 Roser 50 Harding 50 Stripling 50 Levy 50 Carter 50 John Collier 25 1st N 50 C Nat 50 Ben Keith 25 Stanley Th 50 Monnig 25 The Fair 25 Landreth 25 Barrett 25 Bub Rose 5

    Letter re: Amon Carter, Jr.

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    Letter from Amon Carter to John N. Wheeler, general manager of the North American Newspaper Alliance, regarding Amon, Jr. as a prisoner of war

    Telegram re: Amon Carter, Jr.

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    Telegram from Amon G. Carter to Arthur N. Cotton, associate director of the War Prisoners Aid of the Young Men's Christian Association, regarding prisoners of war at Oflag 64

    Telegram re: Amon Carter, Jr.

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    Telegram from Bascom N. Timmons, Washington news correspondent, to Amon Carter providing updated information about Amon Carter, Jr

    Telegram re: Amon Carter, Jr.

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    Telegram from Bascom N. Timmons, American newspaperman, to Amon Carter informing Carter about how information would be passed on about soldiers missing in action

    On gait as a biometric: progress and prospects

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    There is increasing interest in automatic recognition by gait given its unique capability to recognize people at a distance when other biometrics are obscured. Application domains are those of any noninvasive biometric, but with particular advantage in surveillance scenarios. Its recognition capability is supported by studies in other domains such as medicine (biomechanics), mathematics and psychology which also suggest that gait is unique. Further, examples of recognition by gait can be found in literature, with early reference by Shakespeare concerning recognition by the way people walk. Many of the current approaches confirm the early results that suggested gait could be used for identification, and now on much larger databases. This has been especially influenced by DARPA’s Human ID at a Distance research program with its wide scenario of data and approaches. Gait has benefited from the developments in other biometrics and has led to new insight particularly in view of covariates. Equally, gait-recognition approaches concern extraction and description of moving articulated shapes and this has wider implications than just in biometrics

    Letter re: Amon Carter, Jr.

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    Letter from Bascom N. Timmons, Washington news correspondent, to Amon Carter providing information about services provided for prisoners of war by the Red Cross

    Letter re: Amon Carter, Jr.

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    Letter from John N. Wheeler, general manager of the North American Newspaper Alliance, to Amon Carter regarding Amon, Jr. as a prisoner of war

    Telegram re: Amon Carter, Jr.

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    Telegram from John N. Wheeler, general manager of the North American Newspaper Alliance, to Amon Carter regarding Amon, Jr.'s liberation as a prisoner of war
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