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It's a weekly cycle due to reporting disruptions over the weekend. Use a 7-day moving average to get a better picture. Holidays and such can still be disruptive but the 7-day average solves most of it.


According to Evaluation of the Effect of Density on Potato Yield and Tuber Size Distribution potato tuber size was estimated using a normal distribution but they are not normally distributed They found that a Weibull distribution with specific parameters estimated better than a normal distribution. In fact you should not expect a normal distribution because ...

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