## Parametric Estimates

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nazrulq
Contributor
Posts: 275
Joined: Sun Feb 26, 2017 6:06 am

### Parametric Estimates

When Statistical relationship can not be used ( Rate per sq.ft) . Then 3 point with beta distribution is the best option! As scope is not fully defined.Parametric Estimate also Called Top Down Estimate.

Any Further suggestion will be highly appreciated!
kapil.bhauryal
Beginner
Posts: 38
Joined: Fri Apr 07, 2017 3:47 am

### Re: Parametric Estimates

Analogus estimation is called Top Down Estimation.
nazrulq
Contributor
Posts: 275
Joined: Sun Feb 26, 2017 6:06 am

### Re: Parametric Estimates

According to Saket's Video Both Parametric and Analogous Estimates are Top Down Estimates. Analogus Estimates base on previous similar project while Parametric Estimates based on historical report or rate/sq.ft or linear
feet. I have seen anything in PMBOK refers Analogous Estimating is only Top Down Estimating approach but Rita's
Chapter (Cost) , Question no# 5 said Analogous Estimate as Top Down Estimates. I think in the Exam if both comes as an option then we have to go for Analogous Estimates as Top Down. Just Confirms Andy Crowre's explanation of Glossary said clearly Analogous Estimating is top Down.

Thank You.

Can Manish explain why only Analogous as both of the approaches are top down!

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