search for: associt

Dear R helpers,   I understand that this is absolutely unprofessional on my part and this group doesn't entertain such things. I have been associted with this group since last 1 and half years and have been immensely benefited by the noble service rendred by many R helpers.   So I take this opportunity to thank all of you and wish you all   "MERRY CHRISTMAS".   I sincerely apologize for using this platform for writing such an unpro...

...Product may belong directly to a Department, or it may be a ''global'' product that belongs directly to the Store. What I''d like to do is have an association in the StoreType model that would give me all products for that StoreType. Currently, I have set up the following associtations on StoreType: class StoreType < ActiveRecord::Base has_many :stores has_many :departments, :through=>:stores has_many :store_products, :through=>:stores, :source=>:products, :uniq => true has_many :department_products, :through=>:departments, :source=>:products,...

Dear r users, Few days ago I posted the same topic but unable to receive any suggestion. So I am asking this same question. I was trying to fit a garch(1,1) model to my dataset. But while executing I got a warning message "NaNs produced in: sqrt(pred$e)". And got the estimated sd's along with five "NA", but as per my best knowledge I should get only one