[R] Doubt regarding the autoplot function in ggfortify library

[Bert Gunter]

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Bert Gunter

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On Thu, Apr 25, 2019 at 9:29 AM manju moorthy <manjumoorthy95 using gmail.com>
wrote:

> Iam using autoplot function from the ggfortify library. I saw that autoplot
> gives the 1st two principal components. I am using autoplot to generate 1st
> two principal components on a clustered object.
> The usage is like :
>
> autoplot(pam(my_data[1:256], 3), label = TRUE, label.size = 4, frame =
> TRUE, frame.type = 'norm')
>
> So here autoplot generates the principal components on the clustered
> object. So can we actually call this a PCA plot? Also what is the algorithm
> used by autoplot for generating principal components?
>
> Thanks in advance for the help.
>
>
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