Technical Bulletin, Issue 1609 |
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Acreage Acres Agriculture analysis district Annual Crop Summary appendix fig area frame units ARPANET August August 18 cloud cover clustering coefficient of determination Cooperatives Service corn and soybeans corn area covariance matrix crop area estimates crop or land Crop Reporting Board crop type Digitized Segment direct expansion estimate EDITOR ESCS ESCS's Estimation Ground Data field boundaries Figure grayscales ground truth information ground-gathered Hanuschak hectares ILLIAC ILLIAC IV individual county levels Iowa project June Enumerative Survey land use strata land-use stratum LANDSAT data LANDSAT imagery LANDSAT scene LANDSAT tape linear discriminant functions Mahalanobis distance mean vector Measurement Space Michael Craig multicounty multivariate normal number of pixels packed files partition Path 27 percent planted population density prior probabilities processing Purdue University random sample reformatting registration regression estimator sample segments sample unit satellite Sunnyvale TENEX training data U.S. Dept USDA USDA's variance Washington Computer Center YES YES