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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.
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What is difference between sparse index and dense 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)
How do you calculate a weighted index?
If you mean a standard index where each value is weighted by a reference value, then you just divide each value by the reference and multiply by 100. For instance, if you want to index x, y, and z based on z: (x/z)*100, (y/z)*100, (z/z)*100 Obviously, your reference value should come out to 100.
Defference between direct sequential and index sequential?
reduce the chance of false identification.----apex
Why fisher index is the ideal index?
becaused it is exact
Disadvantages of index number?
disadvantages of index numbers
