Message-ID: <37258C64-0F83-4E0B-B15C-899437FA3D25@gmail.com>
Date: 2011-01-22T22:52:40Z
From: Jeff Ryan
Subject: Plotting by factor with xts
In-Reply-To: <AANLkTi=vPZbZav_Br4FMubCoKZ3bzywXZ4Ng5urHWbt1@mail.gmail.com>
Don't use "long format". That is, run the symbols across columns - one symbol per column i.e. "wide format".
Since xts is a matrix, you'll nee to make sure to keep the coredata numeric - mixing symbols into columns assures it isn't.