Dear all,


I'm using package "ridge" to deal with multicollinearity. It's been convenient to automatically choose lambda. 
However, how do I tell whether the OLS results have been improved after applying ridge regression?
I only notice that more variables become statistically significant and some variables' std.errors have been decreased.
What is the code to compute R squared for linearRidge() under package "ridge"?

Thanks a lot!
Hermia 		 	   		   		 	   		  
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