#### Linest #3

```Just to give  more background on what I am trying to do:

Variable A is in meters, B is in meters, C is the Ranking, D is th
number of attempts. The Result is the overall factor rated 10 is good
Let's say A could go from 1 - 100.
If A is between 0-20 meters, and 80-100 meters the Result (overal
factor) is very low.
Similarly for B.
C is the Ranking that could be 1 to 20. Again for low values of C th
Result(overall factor) is very low and high for high values of C.
D is the number of attempts an experiment is performed. If the value o
D is 1 that is first attempt then the REsult(factor) is very high. Fo
higher values of D the Result is very low.
Therefore I know how each variable individually affects th
Result(Overall Factor). I know that these 4 variables are related
Therefore I want to find an equation using the four variables t
calculate the Overall Factor

--
mnarasi
-----------------------------------------------------------------------
mnarasim's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=1473

```
 0
9/26/2004 5:26:27 AM
excel.misc 78881 articles. 5 followers.

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```LINEST won't work because it is for bivariate regression
as opposed to multivariate regression which is more what
you need.

In effect you want to assess the impact of a few
variables upon an overall value?

There is an number of ways of doing this. Depending on
statistics.

Still, you can use <Tools> <Data Analysis> <Regression>
and y values. From the resultant table you can get the
equation of the relationship and, more importantly, the t-
statistic will tell you how significant a given variable
is upon the Y (independent) variable.

Hopefully this can point you into the right direction.

Alex
>-----Original Message-----
>
>Just to give  more background on what I am trying to do:
>
>Variable A is in meters, B is in meters, C is the
Ranking, D is the
>number of attempts. The Result is the overall factor
rated 10 is good,
>Let's say A could go from 1 - 100.
>If A is between 0-20 meters, and 80-100 meters the
Result (overall
>factor) is very low.
>Similarly for B.
>C is the Ranking that could be 1 to 20. Again for low
values of C the
>Result(overall factor) is very low and high for high
values of C.
>D is the number of attempts an experiment is performed.
If the value of
>D is 1 that is first attempt then the REsult(factor) is
very high. For
>higher values of D the Result is very low.
>Therefore I know how each variable individually affects
the
>Result(Overall Factor). I know that these 4 variables
are related.
>Therefore I want to find an equation using the four
variables to
>calculate the Overall Factor.
>
>
>--
>mnarasim
>---------------------------------------------------------
---------------
>mnarasim's Profile: http://www.excelforum.com/member.php?
action=getinfo&userid=14735
>
>.
>
```
 0
anonymous (74721)
9/26/2004 3:55:57 PM
```LINEST does univariate multivariable regression.  You can predict only a
single y variable based on any number of x variables.  That sounds like
the kind of stituation that the OP is describing.

Help for LINEST is extremely misleading.  LINEST is not limited to
simple linear regression.

Jerry

Alex wrote:

> LINEST won't work because it is for bivariate regression
> as opposed to multivariate regression which is more what
> you need.
>
> In effect you want to assess the impact of a few
> variables upon an overall value?
>
> There is an number of ways of doing this. Depending on
> how professional you want to be, I would maybe read about
> statistics.
>
> Still, you can use <Tools> <Data Analysis> <Regression>
> [this is only available as an Add-In] and input your x
> and y values. From the resultant table you can get the
> equation of the relationship and, more importantly, the t-
> statistic will tell you how significant a given variable
> is upon the Y (independent) variable.
>
> Hopefully this can point you into the right direction.
>
> Alex
>
>>-----Original Message-----
>>
>>Just to give  more background on what I am trying to do:
>>
>>Variable A is in meters, B is in meters, C is the
>>
> Ranking, D is the
>
>>number of attempts. The Result is the overall factor
>>
> rated 10 is good,
>
>>Let's say A could go from 1 - 100.
>>If A is between 0-20 meters, and 80-100 meters the
>>
> Result (overall
>
>>factor) is very low.
>>Similarly for B.
>>C is the Ranking that could be 1 to 20. Again for low
>>
> values of C the
>
>>Result(overall factor) is very low and high for high
>>
> values of C.
>
>>D is the number of attempts an experiment is performed.
>>
> If the value of
>
>>D is 1 that is first attempt then the REsult(factor) is
>>
> very high. For
>
>>higher values of D the Result is very low.
>>Therefore I know how each variable individually affects
>>
> the
>
>>Result(Overall Factor). I know that these 4 variables
>>
> are related.
>
>>Therefore I want to find an equation using the four
>>
> variables to
>
>>calculate the Overall Factor.
>>
>>
>>--
>>mnarasim
>>---------------------------------------------------------
>>
> ---------------
>
>>mnarasim's Profile: http://www.excelforum.com/member.php?
>>
> action=getinfo&userid=14735
>
>>
>
>>.
>>
>>

```
 0
9/27/2004 11:47:38 AM

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