Comments on: Regression – Part 1 http://lssacademy.com/2007/03/04/regression-part-1/ Lean Manufacturing, Six Sigma, Lean Six Sigma, and Kaizen Sat, 12 May 2012 15:25:36 +0000 hourly 1 http://wordpress.org/?v=3.3.2 By: Eight Reasons Your Lean/Six Sigma Initiative Could Fail | Lean Six Sigma Academy http://lssacademy.com/2007/03/04/regression-part-1/comment-page-1/#comment-2099 Eight Reasons Your Lean/Six Sigma Initiative Could Fail | Lean Six Sigma Academy Sun, 01 Jun 2008 18:40:19 +0000 http://lssacademy.com/?p=164#comment-2099 [...] the belt down a path they may not need to travel as far as what tools they use. If, for example, simple linear regression is not needed to solve a problem stop forcing the belt to use [...] [...] the belt down a path they may not need to travel as far as what tools they use. If, for example, simple linear regression is not needed to solve a problem stop forcing the belt to use [...]

]]> By: LSS Academy Series Review - Six Sigma Edition | Lean Six Sigma Academy http://lssacademy.com/2007/03/04/regression-part-1/comment-page-1/#comment-1696 LSS Academy Series Review - Six Sigma Edition | Lean Six Sigma Academy Mon, 24 Mar 2008 04:25:43 +0000 http://lssacademy.com/?p=164#comment-1696 [...] part 1, of this 3 part series we learned about some of the basics of regression.  Then, in part 2 we talked about two very cool concepts - R Sq (adj) and P values.  Finally, in [...] [...] part 1, of this 3 part series we learned about some of the basics of regression.  Then, in part 2 we talked about two very cool concepts – R Sq (adj) and P values.  Finally, in [...]

]]> By: Regression - Part 3 | Lean Six Sigma Academy http://lssacademy.com/2007/03/04/regression-part-1/comment-page-1/#comment-1687 Regression - Part 3 | Lean Six Sigma Academy Mon, 24 Mar 2008 03:12:20 +0000 http://lssacademy.com/?p=164#comment-1687 [...] evening we will wrap up our discussion of regression. So far we have discussed what regression is and a few ways to determine whether our model is [...] [...] evening we will wrap up our discussion of regression. So far we have discussed what regression is and a few ways to determine whether our model is [...]

]]> By: Regression - Part 2 | Lean Six Sigma Academy http://lssacademy.com/2007/03/04/regression-part-1/comment-page-1/#comment-1686 Regression - Part 2 | Lean Six Sigma Academy Mon, 24 Mar 2008 03:09:36 +0000 http://lssacademy.com/?p=164#comment-1686 [...] night we began our discussion on regression. Tonight, I want to talk about a few more things related to this topic. As I was thinking of what [...] [...] night we began our discussion on regression. Tonight, I want to talk about a few more things related to this topic. As I was thinking of what [...]

]]> By: Ron Pereira http://lssacademy.com/2007/03/04/regression-part-1/comment-page-1/#comment-289 Ron Pereira Mon, 05 Mar 2007 15:41:00 +0000 http://lssacademy.com/?p=164#comment-289 Good idea Rob. Thanks! Good idea Rob. Thanks!

]]> By: robert http://lssacademy.com/2007/03/04/regression-part-1/comment-page-1/#comment-290 robert Mon, 05 Mar 2007 06:52:00 +0000 http://lssacademy.com/?p=164#comment-290 Ron - perhaps you'd like to comment on sample sizes? The sensitivity of the correlation coefficient to random variations should be considered. With small samples chance variations can easily give the appearance of correlation when in fact none exists. I often find that data is collected, then I'm asked to analyse it. I often dissapoint when I suggest that more is required, especially when it may be difficult or expensive to acquire.<BR/><BR/>Rob Ron – perhaps you’d like to comment on sample sizes? The sensitivity of the correlation coefficient to random variations should be considered. With small samples chance variations can easily give the appearance of correlation when in fact none exists. I often find that data is collected, then I’m asked to analyse it. I often dissapoint when I suggest that more is required, especially when it may be difficult or expensive to acquire.

Rob

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