search for: oblect

Dear R User, I'm a new member of this list, I'm using R language from a short time and I would like to ask you something I cannot solve... I'm using the fwdlm function from the forward library, I'm specially interested by the results of Cook's distances: I'd want to know which inputs are the cause of peacks in Cook's distances plot; because what I find in abscisas

Hi, I have been examining large data and need to do simple linear regression with the data which is grouped based on the values of a particular attribute. For instance, consider three columns : ID, x, y, and I need to regress x on y for each distinct value of ID. Specifically, for the set of data corresponding to each of the 4 values of ID (76,111,121,168) in the below data, I should invoke