User talk:Chbingham

February 2009
Welcome to Wikipedia. The recent edit you made to the page Difference in differences has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you.  Doulos Christos   ♥ talk   20:27, 15 February 2009 (UTC)

The recent edit you made to the page Difference in differences constitutes vandalism, and has been reverted. Please do not continue to make unconstructive edits to pages; use the sandbox for testing. Thank you.  Doulos Christos   ♥ talk   20:27, 15 February 2009 (UTC)

Please do not vandalize pages, as you did with this edit to Difference in differences. If you continue to do so, you will be blocked from editing.  Doulos Christos   ♥ talk   20:28, 15 February 2009 (UTC)