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. 2014 May 15;9(5):e97288. doi: 10.1371/journal.pone.0097288

Figure 2. Decision tree generated by C&RT model run on dataset with feature selection filtering.

Figure 2

This model suggests that the following 3 combination of features (routes) can result in high maize grain yield: (1) Sowing date and country in [“AUS-North-ten May” “BA-South-fifteen Oct” “BI-North-eleven May” “PA-South-mid Sep” “Sh-North-fourteen June”] and KNPE >426 and Stem dry weight >122.478 and Mean KW >196.4 mg, (2) Sowing date and country in [“BAU-South-one Oct” “Sh-North-five June” “VT-South-thirty Oct”] and Max KWC >210.2 mg and KNPE >541, and (3) Sowing date and country in [“BAU-South-one Oct” “Sh-North-five June” “VT-South-thirty Oct”] and Max KWC >210.2 mg and Density p/ha>92500.