power curve eliminating outlier

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Teklehaimanot
Teklehaimanot 2015-9-29
评论： Paolo Erazo Huera 2022-5-2
Hello all,
I have been trying to plot the power curve of wind turbine. And I tried to eliminate the outliers using ignore if the value is greater than mean+standard deviation or less than mean-standard deviation, however this still does not work. Would please suggest me if there is any other method or how to improve my script? please have a look on the power curve attached with this message.
Thank you for your help!
Teklehaimanot

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Star Strider
Star Strider 2015-9-29
I am not certain what outliers you want to eliminate. I would do a non-linear regression on your data (using nlinfit or lsqcurvefit) and fit your data with a Logistic function.
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Paolo Erazo Huera
Paolo Erazo Huera 2022-5-2
were you able to filter the erroneous data from the power curve?

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