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# Manage Product Lifecycle App - phase In / phase out percentages

Jan 25 at 12:57 AM

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Former Member

Hi,

In the Manage Product Lifecycle App, we are trying to phase in a product in 0%, 25%, 50%, 75%, and 100% increments over the span of 5 months and phase out a product in 100%, 75%, 50%, 25%, 0% increments over the span of 5 months. It does take into account the history of the reference product but it is not ramping up and down the product proportionally in 25% increments. I've set up the new product, reference product, linear forecast curves with the phase in / phase out dates. The launch dimension attribute is part of the forecast level. I also have the Consider Product Lifecycle check box checked in the forecast models. Is there something else I may be missing as to why it is not taking into account the appropriate phase in / phase out percentages?

Thanks,

Melanie

Matheus Korndoerfer
Jan 25 at 10:46 AM
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Hello Sanjeev,

As explained in our SAP Help Portal Phase-In and Phase-Out Planning for New Products, the percentage time series are calculated during the forecasting run. By default, the first period is set to the value 0.1 and the last period is set to 0.9.

The following curve types are available:

• Linear: The linear curve is calculated by a linear interpolation between 0.1 and 0.9.
• Sublinear: The sublinear curve applies the quadratic function to the time series that we obtain when you do a linear interpolation between 0.316 and 0.949. The boundaries are calculated by applying the reverse function of the quadratic function to the standard boundaries 0.1 and 0.9.
• Superlinear: The superlinear curve applies the square root function to the time series that we obtain when we do a linear interpolation between 0.01 and 0.81. The boundaries are calculated by applying the reverse function of square root to the standard boundaries 0.1 and 0.9.

Best regards,
Matheus

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Ayan Bishnu Feb 19 at 02:33 PM
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Hi Sanjeev

My answer to this question might sound very odd. But please try. It will work.

All you need to do is make sure that the phase in start date is exactly 3 months from the present day (if you are planning at a monthly bucket) or 10 weeks from the present day (if you are planning at a weekly bucket).

Use the curve type as linear.

Let me know if this works. Then I will tell you the reason behind it.

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