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 triangular distribution
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## triangular distribution

#1
December 17th 05, 08:20 PM posted to microsoft.public.excel.misc
 TD external usenet poster Posts: n/a
triangular distribution

I noticed excel does not have a triangular distribution. Is there a way to
develop a triangular distribution since this is used quite a bit in
statistical analysis? I know there are commercial products available but can
I do this in the standard Excel?
#2
December 17th 05, 09:40 PM posted to microsoft.public.excel.misc
 B. R.Ramachandran external usenet poster Posts: n/a
triangular distribution

Hi,

For an Excel formula for generating Probability Distribution Curve for
Triangular Distribution for a given set of minimum, maximum, and mode values,
see in

http://www.tech-archive.net/Archive/...4-08/3207.html

Regards,
B. R. Ramachandran

"TD" wrote:

> I noticed excel does not have a triangular distribution. Is there a way to
> develop a triangular distribution since this is used quite a bit in
> statistical analysis? I know there are commercial products available but can
> I do this in the standard Excel?

#3
December 17th 05, 11:50 PM posted to microsoft.public.excel.misc
 B. R.Ramachandran external usenet poster Posts: n/a
triangular distribution

Hi,

If A1, B1, and C1 contain respectively, the minimum, mode, and maximum, of a
triangular distribution, and if A3 contains a value x, use the following
formulas:

For the Probability Density Function, P(x),

=MAX(0,IF(A3<\$B\$1,2*(A3-\$A\$1)/((\$C\$1-\$A\$1)*(\$B\$1-\$A\$1)),2*(\$C\$1-A3)/((\$C\$1-\$B\$1)*(\$C\$1-\$A\$1))))

and for the Cumulative Distribution Function, D(x)

=IF(A3<\$A\$1,0,IF(A3<\$B\$1,(A3-\$A\$1)^2/((\$C\$1-\$A\$1)*(\$B\$1-\$A\$1)),
IF(A3<=\$C\$1,1-(\$C\$1-A3)^2/((\$C\$1-\$B\$1)*(\$C\$1-\$A\$1)),1)))

Regards,
B. R. Ramachandran

"TD" wrote:

> I noticed excel does not have a triangular distribution. Is there a way to
> develop a triangular distribution since this is used quite a bit in
> statistical analysis? I know there are commercial products available but can
> I do this in the standard Excel?

#4
December 24th 05, 12:30 AM posted to microsoft.public.excel.misc
 TD external usenet poster Posts: n/a
triangular distribution

"B. R.Ramachandran" wrote:

> Hi,
>
> If A1, B1, and C1 contain respectively, the minimum, mode, and maximum, of a
> triangular distribution, and if A3 contains a value x, use the following
> formulas:
>
> For the Probability Density Function, P(x),
>
> =MAX(0,IF(A3<\$B\$1,2*(A3-\$A\$1)/((\$C\$1-\$A\$1)*(\$B\$1-\$A\$1)),2*(\$C\$1-A3)/((\$C\$1-\$B\$1)*(\$C\$1-\$A\$1))))
>
> and for the Cumulative Distribution Function, D(x)
>
> =IF(A3<\$A\$1,0,IF(A3<\$B\$1,(A3-\$A\$1)^2/((\$C\$1-\$A\$1)*(\$B\$1-\$A\$1)),
> IF(A3<=\$C\$1,1-(\$C\$1-A3)^2/((\$C\$1-\$B\$1)*(\$C\$1-\$A\$1)),1)))
>
>
> Regards,
> B. R. Ramachandran
>
> "TD" wrote:
>
> > I noticed excel does not have a triangular distribution. Is there a way to
> > develop a triangular distribution since this is used quite a bit in
> > statistical analysis? I know there are commercial products available but can
> > I do this in the standard Excel?

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