'Triangle-shaped points appear more transparent than the circular points
As I have asked in the this question, I'm trying to plot curves varying according to different quantities, and I am mapping these quantities to the color and shape aesthetics.
However, when I do that, the dots having triangle shape look more transparent than the circular dots.
How can I solve this issue?
PS: I'm using the same code & dataset I have given in the linked question.
Sources
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Source: Stack Overflow
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