1-20 of 370 Search Results for

Weighted Density

Sort by
Image
Published: 17 October 2012
Fig. 3 Birth weight densities by maternal education: European American males, 2001. In panels a–c, the solid lines represent low education, and the dashed lines represent high education. Corresponding fine lines are the bias-adjusted 95 % confidence intervals, which, when they overlap More
Journal Article
Demography (2013) 50 (2): 615–635.
Published: 17 October 2012
...Fig. 3 Birth weight densities by maternal education: European American males, 2001. In panels a–c, the solid lines represent low education, and the dashed lines represent high education. Corresponding fine lines are the bias-adjusted 95 % confidence intervals, which, when they overlap...
FIGURES | View All (4)
Image
Published: 05 December 2019
Fig. 5 Probability density function of birth weight before and after the water switch More
Journal Article
Demography (1984) 21 (3): 405–412.
Published: 01 August 1984
... Population Weight Weighted Density References Chapman G. P. ( 1971 ). Human and Environmental Systems: A Geographer’s Appraisal . London : Academic Press . Craig J. ( 1975 ). Population Density and Concentration in Great Britain 1931, 1951 and 1961. Studies on Medical...
Journal Article
Demography (2001) 38 (1): 43–58.
Published: 01 February 2001
... with the average strength of the relations between the respondent and her network part- ners, whereas weighted density measures were correlated with measures describing the strength of the dyadic rela- tionships between the respondent and her network partners.) Table 2 also allows a comparison of the respondents...
Image
Published: 17 October 2012
Fig. 2 Graphical illustration of covariate density defined mixture of logistic regressions (CDDmlr) without any exogenous covariate as applied to birth weight and infant mortality. Results presented are for European American males in 2001. The solid lines represent the total population More
Journal Article
Demography (1977) 14 (2): 243–244.
Published: 01 May 1977
...Robert A. Stairs Abstract A generalized formulation of various kinds of averages of population density is given. 8 1 2011 © Population Association of America 1977 1977 Population Density Reference Statistics Census Data Social Stress Desert Area An erratum...
Journal Article
Demography (1966) 3 (1): 204–208.
Published: 01 March 1966
..., and an index of crop-yield density calculated for each province by dividing the number of persons per square mile of cultivated * The author gratefully acknowledges the edi- torial assistance of his colleague, Miss M. G. Marchant. land by the weighted measure of crop yield. The series by province is given...
Journal Article
Demography (1973) 10 (1): 53–69.
Published: 01 February 1973
... large, we might be rejecting a true hypothesis by placing a great deal of weight on the fact that the regres- sion coefficients do not meet most strict tests of reliability. This result indicates, then, that population growth before the streetcar has led to a distinctly steep density gradient today...
Journal Article
Demography (1997) 34 (4): 551–563.
Published: 01 November 1997
.... This implies that the scale of change in the m function may affect the position of the pivotal point for some t> O. AGE·DISTRIBUTION DYNAMICS AND AGING INDEXES for more general shifts in the fertility function. It says that as long as the weighted average change in fertility is positive, the density-pivoting...
Journal Article
Demography (1981) 18 (2): 231–244.
Published: 01 May 1981
... were a cubic spline, the Hadwiger and Coale-Trussell functions, the gamma and beta densities, two versions of a polynomial, and two of Brass's relational procedures, as well as the Gompertz curve. The spline function fitted all curves far better than any of the others. The Coale-Trussell procedure...
Journal Article
Demography (2024) 61 (2): 439–462.
Published: 01 April 2024
... ). Moreover, it tackles the model selection problem in a data-driven way. As in Barigou et al. (2023) , the weights are derived with the leave-future-out (LFO) predictive density, that is, the predictive density of future observations. In the approach by Yao et al. (2018) , stacking weights are derived...
FIGURES
Includes: Supplementary data
Journal Article
Demography (1986) 23 (2): 283–284.
Published: 01 May 1986
..., it is as if we had estimated 22 different time series equations, one per village, and then taken a weighted average of the density coefficients from these equations. In each village- level equation, area is constant. Thus, the coefficient of density reflects the relationship between the within-village CBR...
Journal Article
Demography (2008) 45 (3): 489–514.
Published: 01 August 2008
... is weighted by population density (see Appendix Eq. (A3 regions of each metropolitan area with the greatest population density contribute the most to the computation of segregation levels. Sparsely populated exurban or rural areas contribute little to overall segregation even if they show wide vari- ation...
Journal Article
Demography (1977) 14 (1): 103–104.
Published: 01 February 1977
...K. B. Pathak; C. V. S. Prasad Abstract A model to estimate adolescent sterility among married women is presented using the principle of convex combination of two or more probability density functions. 12 1 2011 © Population Association of America 1977 1977 Density Function...
Journal Article
Demography (2014) 51 (3): 811–834.
Published: 25 April 2014
... to approximate the relatively small scales of children’s limited activity space in 1880 Newark, which was a pedestrian city. Following Reardon and O’Sullivan ( 2004 ), we compute neighborhood measures based on proximity-weighted functions. Specifically, we use the classic kernel density estimation (KDE...
FIGURES | View All (8)
Journal Article
Demography (1993) 30 (4): 607–622.
Published: 01 November 1993
...Mark R. Rank; Thomas A. Hirschl Abstract This article explores a neglected topic in the social welfare, poverty, and demographic literatures—the link between population density and welfare participation in the United States. Longitudinal data from the Panel Study of Income Dynamics...
Journal Article
Demography (2022) 59 (5): 1631–1654.
Published: 01 October 2022
... capitals between 1990 and 2016 with precise meteorological data on the temperatures children experienced throughout their gestation. The outcomes are preterm birth, low birth weight, and very low birth weight. Socioeconomic status is assessed using parents' highest occupational level. We find...
FIGURES | View All (4)
Includes: Supplementary data
Journal Article
Demography (1966) 3 (2): 423–444.
Published: 01 June 1966
..., 1962. Figures for the Belgian Congo were a weighted average for the white and indigenous population. of childhood correlates so highly with infant mortality that it can be ignored." The writer decided to include two addi- tional variables as control variables. The first of these is population density...
Journal Article
Demography (1992) 29 (4): 595–612.
Published: 01 November 1992
... Thus Equation (23) represents the increase in mean age resulting from a stationary policy. 16 The definitions of child and adult are somewhat arbitrary in the U.N. model. All of the U.N. schedules are weighted mixtures of two continuous density functions: a curve that decreases exponentially from...