Exponential and geometric model, Mathematics

Exponential and Geometric Model

Exponential model

 y = abx

Take log of both sides

log y = log a + log bx

log y = log a + xlog b

Assume log y = Y and log a = A and log b = B

Hence we get Y = A + Bx. It is a linear regression model

Geometric model

 y = axb

By using the similar technique as above

log y = log a + b log x

Y = A + bX

Whereas Y = log y

A = log a

X = log x

By using linear regression technique or the method of least squares, it is possible to calculate the value of a and b.

Posted Date: 2/16/2013 7:26:33 AM | Location : United States







Related Discussions:- Exponential and geometric model, Assignment Help, Ask Question on Exponential and geometric model, Get Answer, Expert's Help, Exponential and geometric model Discussions

Write discussion on Exponential and geometric model
Your posts are moderated
Related Questions
a triangle is 180

a hollow cone is cut by a plane parallel to the base and the upper portion is removed. if the volume of the frustum obtained is 26/27 of volume of the cone. find at what height abo

A washing machine, cash price $ 850 is available on the following terms: A deposit of $ 100 followed by equal payments at the end of each month for the next 18 months, if intere


do you have 3 digit and 4 digit number problem

Find the common difference of an AP whose first term is 100 and sum of whose first 6 terms is 5 times the sum of next 6 terms. Ans:    a = 100 APQ a 1 + a 2 + ....... a 6


2.46825141458*1456814314.446825558556

Inverse Sine : Let's begin with inverse sine.  Following is the definition of the inverse sine. y = sin -1 x         ⇔     sin y = x                for - ?/2 ≤ y ≤ ?/2 Hen

what is number of quadratic equation that are unchanged by squaring their roots is There are four such cases x 2   =0 root 0 (x-1) 2 =0  root 1 x(x+1)=0  roots  0 and 1