
Hi everyone:

  　I am new to R and I have a really basic question.
     I have already got a generalized linear model from some dataset, say y=b0 + b1X1 + b2X2.  Then I want to get the value of y provided, say, X1=1, X2=2.  And the confidence Intervals of this y.
     I know I can just calculate that since I know the model already. But is there some code that can calculate those automatically?


Thank you very much!
 		 	   		  
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