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We have seen in the previous post, how to calculate the correlation spectrum, but other simple way to show how the bands correlate to the constituent of interest is to calculate R^2. This way we remove the negative part of the correlation spectrum.

In order to see better the Covariance Spectrum, I multiplied by a factor,We can see how the covariance spectrum gives sharp bands an gives us a better idea where the variation due to moisture is.

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