The nearest neighbor index (NNI) is a crucial statistical tool used in spatial analysis to assess the degree of spatial clustering or dispersion of points within a given area. It compares the observed average distance between points to the expected average distance if the points were randomly distributed. An NNI value less than 1 indicates clustering, while a value greater than 1 suggests dispersion. This index is widely applied in fields such as ecology, urban planning, and geography to understand spatial patterns and inform decision-making.
Value weighted index is a market average such as Standard & Poor's 500 Index that takes into account the market value of each security rather than calculating a straight price average. An equal weighted index is a type of weighting that gives the same weight, or importance, to each stock in a portfolio or index fund. The difference is one gives individual value and other gives one value to all.
becaused it is exact
disadvantages of index numbers
How to calculate machine price index?
Dense Index: An index record appears for every search key value in file. This record contains search key value and a pointer to the actual record. Sparse Index: Index records are created only for some of the records. To locate a record, we find the index record with the largest search key value less than or equal to the search key value we are looking for. We start at that record pointed to by the index record, and proceed along the pointers in the file (that is, sequentially) until we find the desired record. - - (ref: http://sawaal.ibibo.com/computers-and-technology/difference-between-sparce-index-dence-index-773764.html)
The nearest-neighbor index measures how clustered or dispersed individual points are in a dataset. It is useful in spatial analysis to identify patterns of clustering or dispersion, assess the degree of spatial autocorrelation, and understand the spatial distribution of data points. A low nearest-neighbor index indicates clustering, while a high index suggests dispersion.
because should be on th map
The Earth
The sun
Our moon's nearest neighbour is us, the Earth.
satern
Venus
Our moon's the closest, followed by Venus.
Greenland
Spain
austria
Importance of being a good neighbor is giving value to your interpersonal skills that your neighbour will benefit by you being their neighbour.