Table 3. Average Correlation Between Each Market Advisory Program and Other Programs, Corn and Soybean Net Advisory Price and 50/50 Advisory Revenue, 1995-2000 Crop Years
  Average Correlation with Other Programs
Market Advisory Program Corn Soybeans 50/50 Revenue
Ag Review 0.68 0.80 0.73
AgLine by Doane (cash-only) 0.81 0.84 0.72
AgResource 0.63 0.25 0.27
Agri-Mark 0.78 0.63 0.43
AgriVisor (aggressive cash) 0.82 0.84 0.72
AgriVisor (aggressive hedge) 0.78 0.80 0.66
AgriVisor (basic cash) 0.80 0.84 0.74
AgriVisor (basic hedge) 0.78 0.83 0.72
Allendale (futures only) 0.18 0.83 0.31
Brock (cash only) 0.80 0.84 0.74
Brock (hedge) 0.19 0.50 0.33
Freese-Notis 0.80 0.84 0.74
Pro Farmer (cash only) 0.82 0.83 0.67
Pro Farmer (hedge) 0.82 0.83 0.71
Stewart-Peterson Advisory Reports 0.82 0.75 0.73
Stewart-Peterson Strictly Cash 0.82 0.85 0.75
Top Farmer Intelligence 0.68 0.66 0.45
Descriptive Statistics:
  Average 0.71 0.75 0.61
  Median 0.80 0.83 0.72
  Minimum 0.18 0.25 0.27
  Maximum 0.82 0.85 0.75
  Range 0.64 0.60 0.48
       
Note: The average correlation for each service is computed as the average of the 16 correlations values between a given service and each of the other services.