Smoothing of Peaks & Troughs , to generate a baseline forecast...

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ArunS

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I come to you all for your expert advise on how to remove peaks and valleys from a range of data.
I am working on averaging a range after smoothing the data.Below is the table I am working and please refer the formula given. Is the approach fine?


SKU_IDSum of Jul-14Sum of Aug-14Sum of Sep-14Sum of Oct-14Sum of Nov-14Sum of Dec-14Average shippedAvg. w/o peaks/valleys
070132,14016,54839,32926,8125,27241,08426,86426,864
072424,0907,2639,27628,5545,27330,73317,53216,683
071319,9431,6802,40627,8486,36143,20316,90713,152

<tbody>
</tbody>



Formula used for comouting avg w/o peaks & valleys =IFERROR(IF(MAX(L3:Q3)>1.6*AVERAGE(L3:Q3),QUARTILE(L3:Q3,2),AVERAGE(L3:Q3)),0)

Much appreciate your valuable insight.

Best Regards,
ArunS
 

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I am eagerly awaiting your all insight into this logical approach. I might be overlooking something that possibly you can advise or suggest. This is very important for me and would sincerely appreciate your feedback.

BR,
ArunS

ArunS said:
I come to you all for your expert advise on how to remove peaks and valleys from a range of data.
I am working on averaging a range after smoothing the data.Below is the table I am working and please refer the formula given. Is the approach fine?


SKU_IDSum of Jul-14Sum of Aug-14Sum of Sep-14Sum of Oct-14Sum of Nov-14Sum of Dec-14Average shippedAvg. w/o peaks/valleys
070132,14016,54839,32926,8125,27241,08426,86426,864
072424,0907,2639,27628,5545,27330,73317,53216,683
071319,9431,6802,40627,8486,36143,20316,90713,152

<tbody>
</tbody>



Formula used for comouting avg w/o peaks & valleys =IFERROR(IF(MAX(L3:Q3)>1.6*AVERAGE(L3:Q3),QUARTILE(L3:Q3,2),AVERAGE(L3:Q3)),0)

Much appreciate your valuable insight.

Best Regards,
ArunS
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Formula for smoothing peaks and valleys in a range of data
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