+ Reply to Thread
Results 1 to 4 of 4

Thread: Homogeneity of regression slopes

  1. 04-23-2011 07:00 AM #1
    saraf
    saraf is offline
    Points: 972, Level: 16
    Level completed: 72%, Points required for next Level: 28
    Posts
    2
    Thanks
    0
    Thanked 0 Times in 0 Posts

    Homogeneity of regression slopes



    If assumption of homogeneity of regression slopes broken in ANCOVA analysis, what to do? Can I use linear regression instead? Thanks
    Reply With Quote Reply With Quote
  2. 04-23-2011 10:03 AM #2
    Dragan
    Dragan is offline
    Super Moderator
    Points: 8,567, Level: 62
    Level completed: 39%, Points required for next Level: 183
    Dragan's Avatar
    Location
    Illinois, US
    Posts
    1,724
    Thanks
    0
    Thanked 127 Times in 113 Posts

    Re: Homogeneity of regression slopes

    Quote Originally Posted by saraf View Post
    If assumption of homogeneity of regression slopes broken in ANCOVA analysis, what to do? Can I use linear regression instead? Thanks
    A common approach used to your problem is the Johnson-Neyman technique.

    http://wjn.sagepub.com/content/26/7/804.abstract
    Reply With Quote Reply With Quote
  3. 04-24-2011 11:14 PM #3
    saraf
    saraf is offline
    Points: 972, Level: 16
    Level completed: 72%, Points required for next Level: 28
    Posts
    2
    Thanks
    0
    Thanked 0 Times in 0 Posts

    Re: Homogeneity of regression slopes

    Hello Dragan, thank you for your suggestion, I will look at it.
    Reply With Quote Reply With Quote
  4. 04-23-2012 04:55 AM #4
    nelson85
    nelson85 is offline
    Points: 703, Level: 14
    Level completed: 3%, Points required for next Level: 97
    Posts
    9
    Thanks
    0
    Thanked 0 Times in 0 Posts

    Re: Homogeneity of regression slopes


    Hi,
    how can I test the homogeneity of regression slopes? Does Minitab do it automatically in any of its tools?
    Thank you in advance!
    Regards
    Reply With Quote Reply With Quote
+ Reply to Thread
« Simple minitab result interpretation ? | Appropriate null hypothesis for a two-stage regression »

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts

Forum Rules








Advertise on Talk Stats