setting xlim in plot.PCA

[mlhjones]

Good evening!  I am attempting to standardize the axes of several bi-plot in order to simultaneously evaluate Variable Factor map across several independent test conditions.  

Documentation indicate that the ylim and xlim parameters should change the axes.  However, I have been unsuccessful in changing the axes using the following code:

> plot.PCA(res.pcaD_S, choix="var", xlim =4, ylim =4)

Any recommendation is greatly appreciated.

[François Husson]

As for the plot function, if you use the arguments xlim and ylim, you have to give the minimum and the maximum, for example:

plot.PCA(res.pcaD_S, choix="var", xlim =c(-3,4), ylim =c(-4,4))

FH

[Monica Jones]

Thank you for your prompt response.  

Unfortunately, the line of code defining both the upper & lower bounds of the axes limit does not translate to the plot?

The PCA results are derived from the FactomineR code.   Perhaps the range of the axes are not to be manipulated?

Sent from my iPhone

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