Normalized Difference Vegetation Index Grid: A subset of 7 by 7 square raster grids with 10 arcminute spacing roughly situated around the border between the Central African Republic, Sudan and Congo, drawn from the NOAA 1990 Global Change Database.
ndvi.dbf: Data file to join with base grid map
grid77.shp/shx/dbf: Base grid map 7 x 7
ndvigrid.shp/shx/dbf: Grid with data
- Observations = 49
- Variables = 5
- Year = 1990
Source: Anselin, L. (1993). Discrete spatial autoregressive models. In M. Goodchild, B. Parks and L. Steyaert (Eds.), Environmental Modeling with GIS, pp. 454-469. New York: Oxford University Press. Table 46.2 on p. 455.
| Variable | Description |
|---|---|
| PolyID | Grid cell identifier |
| AREA | Area |
| Perimeter | Perimeter |
| GREEN | Greenness vegetation index, based on AVHRR |
| TEMP | Temperature in 1/10 degree celsius |
| ELEV | Elevation in meters |
| PREC | Precipitation (mm per year) |
Prepared by Luc Anselin. Last updated June 3, 2004. Data provided “as is,” no warranties.