difference in plan and forcast curve

we have established the weekly report by excel database, and form the plan and forcast curve.

I want to ask the difference between the plan and forcast curve?

When should I input the forcast data?

Thanks

Planning, Scheduling & Programming Discussion

Khaja Sharief 👤 Member for 17 years 8 months

Fri, 2011-05-20 10:51 · Permalink

Plan Curves represent the baseline plan

Forecast curve will project the plan of remaining work in light of till date progress and future outlook.

i.e. forecast curve = actual curve + plan for the remaining work

Gary Whitehead 👤 Member for 17 years 2 months

Fri, 2011-05-20 09:11 · Permalink

actual and forecast are both parts of the same curve -actual part of it for the past, forecast for the future.

ji wei 👤 Member for 16 years

Thu, 2011-05-19 16:43 · Permalink

Thanks for your reply!

but if I update each week with new data, so what's the difference between actual curve. By the way, all our curve was formed by completed work quantities.

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Gary Whitehead 👤 Member for 17 years 2 months

Wed, 2011-05-18 16:58 · Permalink

plan curve uses your baseline dates, and hence does not change (unless you rebaseline)

forecast curve uses your latest update dates. Input the forecast data each week as the schedule is updated.

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