Re: [R] How can I understand this sentence,and express it by means of Mathematical approach?

2010-03-08 Thread Rolf Turner
On 9/03/2010, at 3:48 AM, Liaw, Andy wrote: (in response to a question on the meaning of the sentence: Independent variables whose correlation with the response variable was not significant at 5% level were removed) If your ultimate interest is in real scientific progress, I'd suggest

[R] How can I understand this sentence,and express it by means of Mathematical approach?

2010-03-07 Thread bbslover
This topic refer to independent variables reduction, as we know ,a lot of method can do with it,however, for pre-processing independent varibles, a method like the sentence below can reduce many variable, How can I understand it? what is significant correlation at 5% level, what is the