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Title
Special UNISPACE III volume
Author
Marsteller, Deborah

International Archives of Photogrammetry and Remote Sensing. Vol. XXXII Part 7C2, UNISPACE III, Vienna. 1999
47
I5PR5
UNISPACE HI - ISPRS Workshop on
“Resource Mapping from Space”
9:00 am -12:00 pm, 22 July 1999, VIC Room B
Vienna, Austria
I5PR5
6.a.-d.). The county data set comprises a 7 years period in which
the low and high ends of yields occurred. The model seems to
be strong, independent from the year and area. Some hilly,
mountainous counties or those that were covered very sparsely
by the given crop had to be omitted from the analysis. Having
the performance of this model by county (r=0,81-0.89) the
country level yield prediction seems to be very reliable (R : =
0,93-0,98). These preliminary results suggest that a very simple
and still reliable yield prediction model can be developed.