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Message-ID: <COL116-W5AA0F5ADB983574601E6EB39E0@phx.gbl> Date: 2012-09-24T22:31:08Z From: Seth Munson Subject: Comparing x-intercepts between linear regression lines An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20120924/c821cd94/attachment.pl>