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For a multi-sample project, all of the downstream tasks will be run separately if 'Split by sample' was checked when performing the PCA task. Visualization of different samples can be displayed by 'Sample' using the 'Misc' section in the 'axisaxes' card. To show different samples side by side, one can click 'Duplicate plot' first, then use the 'Sample' option to switch the samples.

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