Introduction:
There is a variation of distributional pattern of different items, such as population settlement, roads etc over space and time. A change in spatial distribution or its average location may be observed and that can be quantitatively expressed by determining the mean centre of the cultural elements for the whole region.
Methodology:
The main gravitational centre of population is determined by weighted mean. Weight of population of each administrative area is giving to the X and Y coordinates measuring either inch or centimeter.
Here, the geocentre of each administrative units are selected arbitrarily.
Mean of X (
) and Y (
) will give the gravitational centre of population for a particular region for a particular time period.
The formula used to calculate special mean is:
Calculation of Spatial Mean for Nadia District, West Bengal:
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