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Steams (Xi Xj), and then matrix B of kind M it M, which elements is under constructionFactors of pair correlation an element bij are.
In this matrix bij = bji, and bii = 1.
Factors of pair correlation pay off under the following formula:
.
After calculation of values of factors of pair correlation will be defined
Degree of narrowness of communication between various Xi. The vectors having closest
Communication, have functional dependence, therefore it is possible to build the equations
Regresses, for all pairs of factors, value of factor of a steam room Which correlation has more 0,7.
After construction of the equations of regress it is possible to predict the future
Values of one indicators depending on change of others. Thus, The reputation of investment value can be analysed from the point of view
The factorial analysis
The chosen indicators of investment value on change of others. For these
The purposes the factorial analysis 23 is used. In particular the factorial analysis
Profitablenesses of investment value it is spent on the basis of expression, Establishing interrelation between current profitableness investment Values and three investment characteristics which are Factors influencing profitableness of investment value: profitableness
Updatings.
,
Where:
it - profitableness of investment value;
it - the current income on investment value;
it - the current price of investment value;
it - a sales volume daily;
it - market capitalisation of investment value.
Procedure of carrying out of the factorial analysis consists in the following. The basic
The formula for calculation of the chosen indicator of investment value It is led to a kind
Y =,
Where
Y - a resultant function;
iti - factors;
n - number of factors.
Change influence k - it the factor on change of a resultant of function
? Yk = *? xk *.
In particular, for three factors it is had the following:
Influence of change of the first factor on change of a resultant of function
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