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Brilliant work by Ben Bacon. For those who read the article, note that there are errors in the graphs (figures 3, 4 & 5). In the graphs the y-axes (the frequency of the number of dots) are to the wrong scale in many of the graphs. E.g. in Fig 4, the graph for Birds, where n=21, has a frequency scale up to 90. The graph thus shows that, out of the 21 cases, 70 showed 2 dots/marks, and 29 showed 3 marks. These frequencies are clearly inconsistent with n. This kind of y-axis error occurs in much of Fig 4 and Fig 5. Also in most of the graphs the frequency total does not sum to n, even when the y-axis is ostensibly correct. The graphs need to be corrected. Despite these numerical errors, the graphs are visually representative of the trends. Great work, guys. The article is available online only: ‘An Upper Palaeolithic Proto-writing System and Phenological Calendar’ published online by Cambridge University Press on 5th January 2023. I expect that others have noticed these errors, and they will be corrected soon.
It is amazing that they preferred to go for lunar calendar and not the solar which we use now.
I wonder if using the lunar calendar by Muslims and the first Jewish Nation was just by luck or for a reason.
Moon changes are easily observed and cycles short enough to track closely on a daily basis, perhaps?
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