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Table 4 Confusion matrix for five meta-clusters (showing 54.8% success in RF classification)

From: Semantic structures of timbre emerging from social and acoustic descriptions of music

   Predicted
   I Energetic II Intimate III Classical IV Mellow V Cheerful
  I Energetic 17 5 3 2 5
  II Intimate 9 33 10 11 2
Actual III Classical 8 4 26 5 3
  IV Mellow 13 5 3 25 4
  V Cheerful 3 3 8 7 36