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www.fsnau.org/downloads/Understanding_the_Normalized_Vegetation_Index_NDVI.pdf

NDVI was first used in 1973 by Rouse et al. from the Remote Sensing Centre of Texas A&M University. Generally, healthy vegetation will absorb most of the ...

www.aeaweb.org/articles?id=10.1257/pol.5.2.251

How Low-Performing Schools Respond to Voucher and Accountability Pressure. Cecilia Elena Rouse; Jane Hannaway; Dan Goldhaber; David Figlio. American ...