
Corn and Soybean Mean Number of Pixels per Segment for 12 Iowa Counties
Source:R/data.R
cornsoybeanmeans.RdCounty means of number of pixels per segment of corn and soy beans,
from satellite data, for 12 counties in Iowa. The dataset includes
population size, sample size, and means of auxiliary variables used in
the dataset cornsoybean.
Usage
data(cornsoybeanmeans)Format
A data frame with 12 observations on the following 6 variables:
- CountyIndex
numeric county code.
- CountyName
name of the county.
- SampSegments
number of sample segments in the county (sample size).
- PopnSegments
number of population segments in the county (population size).
- MeanCornPixPerSeg
mean number of corn pixels per segment in the county.
- MeanSoyBeansPixPerSeg
mean number of soy beans pixels per segment in the county.
Source
Battese, G.E., Harter, R.M., and Fuller, W.A. (1988). *An Error-Components Model for Prediction of County Crop Areas Using Survey and Satellite Data.* *Journal of the American Statistical Association*, 83, 28–36.
Details
This dataset is provided for demonstration purposes and is originally distributed with the sae package.
Examples
data(cornsoybeanmeans)
head(cornsoybeanmeans)
#> CountyIndex CountyName SampSegments PopnSegments MeanCornPixPerSeg
#> 1 1 CerroGordo 1 545 295.29
#> 2 2 Hamilton 1 566 300.40
#> 3 3 Worth 1 394 289.60
#> 4 4 Humboldt 2 424 290.74
#> 5 5 Franklin 3 564 318.21
#> 6 6 Pocahontas 3 570 257.17
#> MeanSoyBeansPixPerSeg
#> 1 189.70
#> 2 196.65
#> 3 205.28
#> 4 220.22
#> 5 188.06
#> 6 247.13