What factors are important to determining populaiton projections?
Migration, birth rate, death rate.
What is a tiger file?
digital database of geographic features, such as roads, railroads, rivers, lakes, legal boundaries, census statistical boundaries, etc. covering the entire United States
what is the cohort survival method of population projection
The study of a group by a specific characteristic (age, grade, income) increased by the rate that group survives onto the next year
What is a HUM
Housing Unit Method, a process of using housing data for population projections
What are symptomatic indicators
Data series such as building permits that are reflective of population change and can be used in developing current population estimates.
What is the composite method for estimating populations?
Takes various age groups and determines the estimate for each, then aggregates them together.
what is the constant share technique
Assumes that the portion of a sample's type (people, age, occupation, animal, etc..) in a given population/area will remain constant through time.
What is shift share technique
An projection for employment / population that takes into account the shift/movement of jobs & people from or to a community
