How can the lack of identical scaling on the second Y-axis impact the readability and usability of a graph, especially on mobile devices?
When the second Y-axis on a graph does not have identical scaling as the first Y-axis, it can lead to confusion and misinterpretation of the data. This inconsistency in scaling can make it difficult for users to accurately compare values between the two axes, especially on smaller screens like mobile devices. To address this issue, it is important to ensure that both Y-axes have the same scaling to maintain readability and usability.
// Set identical scaling for both Y-axes on a graph
$plot->setYScale(0, 100); // Set the same scale for both Y-axes
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