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. Author manuscript; available in PMC: 2017 Jan 3.
Published in final edited form as: Vienna Yearb Popul Res. 2016 Sep 20;13:167–191. doi: 10.1553/populationyearbook2015s167

Table 1.

Standardized NDVI variable

SDVI value Corresponding z-score
0 – Average NDVI 0
1 – Below average NDVI −1/−2
2 – Above average NDVI 1/2