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Aug 3, 2021 at 12:42 history edited John CC BY-SA 4.0
added 745 characters in body
Nov 23, 2017 at 22:22 history edited John CC BY-SA 3.0
added 18 characters in body
Nov 23, 2017 at 18:43 history edited John CC BY-SA 3.0
added 993 characters in body
S Nov 23, 2017 at 13:22 history suggested JetLag CC BY-SA 3.0
Added R output for easier understanding
Nov 23, 2017 at 12:58 review Suggested edits
S Nov 23, 2017 at 13:22
Oct 30, 2017 at 20:01 history edited John CC BY-SA 3.0
added 16 characters in body
Oct 10, 2011 at 11:19 comment added user6666 Best answer - thanks for this. I may have done the book an injustice in misinterpreting it too, but perhaps it was worth it to expose my ignorance.
Oct 10, 2011 at 11:18 vote accept CommunityBot
Oct 9, 2011 at 0:09 comment added John absolutely Aniko
Oct 8, 2011 at 21:47 comment added Aniko It is also useful if you want to include, say, a quadratic term.
Oct 8, 2011 at 19:51 comment added Peter Flom +1 for comprehensive and comprehensible answer (with code!)
Oct 8, 2011 at 16:51 history answered John CC BY-SA 3.0