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The green line shows the CDC's measured ILI% for Region 2 (New Jersey/New York) for the 33-week period starting in Week 40 (October 2009) through Week 20 (May 2010). The red line shows the output of our SVM-based estimator when applied to Region 2 tweet data. The estimator is first trained on all data from outside Region 2 and their respective region's CDC ILI% values.
