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Digging into the structure

Use the console to explore the pca_output object you created in the last exercise to determine the code to isolate the standard deviation vector and count the number of components. Your results are already loaded.

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pca_output$steps[[3]]$res$sdev, 17 components.

pca_output$steps$res$sdev, 16 components.

pca_output$steps[[3]]$res, 17 components.

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