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  Selected Sites   (see also All Sites in this category)

  1. Pop Clock - Susan Boone
    A lesson on data collection, problem solving, research skills, interpolation of data. Students review the Census Bureau's home page on the Internet and gather data regarding trends in population. They study these data and make predictions of future populations, comparing their results with information available on the Internet. more>>

  2. Population Index 1986-1998 - Office of Population Research, Princeton University
    The primary reference tool to the world's population literature, presenting an annotated bibliography of recently published books, journal articles, working papers, and other material on population topics. It covers all fields of interest to demographers, including fertility, mortality, population size and growth, migration, nuptiality and the family, research methodology, projections and predictions, historical demography, and demographic and economic interrelations. Input is derived from original publications including monographs, journal articles, other serial publications, working papers, doctoral dissertations, machine-readable data files, and relevant acquisitions lists and bibliographies. more>>

  3. U.S. Census Bureau
    Information (searchable by keyword and browseable by subject) from summary data files across cities, towns, counties, states, and other geographic and demographic boundaries, useful for many purposes from allocating representation in legislative bodies to tracking economic and population trends needed for strategic planning. The Kid's Corner FactFinder explains the "what" and "why" of the census, provides facts about home states, and offers quizzes. For detailed statistics about American people and their homes, see the interactive Easy Stats tool, built on selected statistics collected by the U.S. Census Bureau through the American Community Survey. Subscribe to CenStats for Web-based interactive search-and-display access to the Annual Survey of Manufactures; Building Permits, Occupation by Sex, International Trade Data; Race and Hispanic Origin; USA Counties; ZIP Business Patterns; and more. CenStore provides information about products sold by the Census Bureau and the U.S. Government Printing Office: CD-ROMs, Computer tapes, Disks, Publications, and Maps. more>>


 

Mason error

error in file:   /usr/lib/perl5/5.6.0/Carp/Heavy.pm
 
line 79:  Bizarre copy of ARRAY in aassign
context:  
... 
75:  # them according to the format variables defined earlier in
76:  # this file and join them onto the $sub sub-routine string
77:  if ($hargs) {
78:  # we may trash some of the args so we take a copy
79:  @a = @DB::args; # must get local copy of args
80:  # don't print any more than $MaxArgNums
81:  if ($MaxArgNums and @a > $MaxArgNums) {
82:  # cap the length of $#a and set the last element to '...'
83:  $#a = $MaxArgNums;
... 
component stack:   /library/branch.html
/library/dhandler
code stack:   /usr/lib/perl5/5.6.0/Carp/Heavy.pm:79

debug info:   Debug file is '/var/lib/mason/debug/anon/5'.

raw_error





























raw error:
 






























error while executing /library/branch.html:
Bizarre copy of ARRAY in aassign at /usr/lib/perl5/5.6.0/Carp/Heavy.pm line 79.