Related Experiment Video

Updated: Aug 12, 2026

Large-scale Reconstructions and Independent, Unbiased Clustering Based on Morphological Metrics to Classify Neurons in Selective Populations
12:27

Large-scale Reconstructions and Independent, Unbiased Clustering Based on Morphological Metrics to Classify Neurons in Selective Populations

Published on: February 15, 2017

A partial hierarchical regionalization of 3,140 US counties on the basis of 1965-1970 intercounty migration

P B Slater

    Environment & Planning A
    |April 1, 1984
    PubMed

    Keywords:
    AmericasArea AnalysisDemographic FactorsDeveloped CountriesDeveloping CountriesEstimation TechnicsGeographic FactorsMigrationMigration, InternalNorth AmericaNorthern AmericaPopulationPopulation DynamicsResearch MethodologyUnited States

    More Related Videos

    Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon09:44

    Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

    Published on: October 16, 2018

    Real-World M3-BREATHE: Toward Multimodal Mobile Monitoring of Behaviour, Respiration, and Exposures for Treatment and Health Evaluation09:50

    Real-World M3-BREATHE: Toward Multimodal Mobile Monitoring of Behaviour, Respiration, and Exposures for Treatment and Health Evaluation

    Published on: June 5, 2026

    Related Concept Videos

    Cross-Sectional Research01:50

    Cross-Sectional Research

    In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
    Stratified Sampling Method01:16

    Stratified Sampling Method

    Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
    To choose a stratified sample, divide the population into groups called strata and then take a...
    Area Computation by the Alternative Coordinate Method01:24

    Area Computation by the Alternative Coordinate Method

    The alternative coordinate method, also known as the Shoelace Formula, is a technique for determining the area of a traverse using Cartesian coordinates. This method relies on the sequential arrangement of x and y coordinates for each point of the shape, ensuring accuracy and ease of application.In this approach, each corner's x and y coordinates are listed as fractions, with the x-coordinate as the numerator and the y-coordinate as the denominator. These coordinates are arranged sequentially...
    Areas Within Irregular Boundaries01:26

    Areas Within Irregular Boundaries

    Calculating areas within irregular boundaries, such as along rivers or curved roads, is crucial in various fields, including surveying, engineering, and environmental management. Surveyors often begin by creating a traverse, a connected series of straight lines approximating the area's boundary. The coordinates of each traverse point are essential for calculating the enclosed area. The double meridian distance formula is a widely used technique for this purpose. This method utilizes the...
    Levels of Use of a GIS01:29

    Levels of Use of a GIS

    Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
    Selected Data About Geographic Locations01:25

    Selected Data About Geographic Locations

    Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...