drLagrangian t1_ir154oo wrote
Pie charts are trouble since visually a person outs more importance on the larger areas than the small, so the days are the beginning of the month in the center look less than the last day, even if your mood on the last day wasn't as important.
Also, since the data itself is displayed by color, a pie chart makes it look like the areas next to each other are related. And while this is true radially (consecutive days are related), how are they related rotationally? Does your mood on the 5th of November impact your mood on the 5th of December?
What about October 2021 compared to Sept 2022? Are they related even though a year is in between?
What about December 31 and January 1st? They should be related but on the chart they are really far apart.
I suggest making it a line chart showing the progression over the days of the year, with some demarcating for individual months, notations for important events (i see a big red spot on the left there, what happened?), And the use of color on a vertical scale with a neutral in between color. I suggest red and green with white at neutral - since the extremes are just as important as each other. This would do well to show the time dependant relations and clarify the data while also showing the extremes of mood.
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