From chiefmurphy at gmail.com  Wed Jan 25 16:22:04 2012
From: chiefmurphy at gmail.com (Dan Murphy)
Date: Wed, 25 Jan 2012 07:22:04 -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