Reply to post: Re: Could those who downvoted please explain why?

The Sun took a day off last week and made NO sunspots

Paul Kinsler Silver badge

Re: Could those who downvoted please explain why?

I didn't downvote, but since the authors seem to have plotted the daily data as well, they could hardly have said to have "destroyed" data - any level of "falsity" induced by their smoothing was evident to the interested reader, as indeed the artefact you mention was to you.

More generally, smoothing may be an imperfect process but it can be very useful for extracting trends, if appropriate care is taken. Ideally, you would make sure to plot the original data along with the smoothed curve, for comparison :-)

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