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RMSE between original and predicted values.

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MAT-Magic
MAT-Magic 2020-1-18
评论： Star Strider 2020-1-20
Hi,
If I have thousand samples of my signal in a vector form like 1*1000, and I will predict my signal at each iteration that results into 1*1000 also. Then In this case, how will I find the RMSE of my model?
Many Thanks

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Star Strider
Star Strider 2020-1-18
Please see my Comment replying to your Comment.
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Image Analyst
Image Analyst 2020-1-18
Without any other information, the maximum likelihood prediction for every element would be the mean of the entire signal. But it seems you'd rather have the rms, so you'd have
RMSE = rms(yourVector)
predictionVector = RMSE * ones(length(yourVector));

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