The Use of Cross-Validation in Neural Network Extrapolation of Forest Tree Growth

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AGE (Years)DBH (Inches)226200193190

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AGE (Years)DBH (Inches)

-1

t-1

hw(2)11w(2)12w(2)13w(1)21w(1)31w(1)22w(1)32

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AGE (YRS)DBH (INCH)PLOT1DBH: +=TRAIN, *=TEST12300.511.522.533.544.55x 10400.511.5x 10-3

ITERATIONSPLOT1DBH: -- = TRAIN MSE, __=TEST MSE321

00.511.522.533.544.55x 10400.10.20.30.40.50.60.70.80.91x 10-4

ITERATIONSMSE

0102030405060708090100-4-20246810

AGE (Years)DBH (Inches)

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AGE/YearsDBH/Inches

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AGE/YearsDBH/Inches

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AGE/YearsDBH/Inches

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AGE/YearsDBH/Inches