From chiefmurphy at gmail.com  Tue Jan 24 07:31:22 2012
From: chiefmurphy at gmail.com (Dan Murphy)
Date: Mon, 23 Jan 2012 22:31:22 -0800
Subject: [Rd] factor S4 class is NA when as.character method exists
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[Rd] factor S4 class is NA when as.character method exists
Dan Murphy