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Figure 2 | BMC Medical Research Methodology

Figure 2

From: Oblique decision trees for spatial pattern detection: optimal algorithm and application to malaria risk

Figure 2

Passage through the critical direction u , from sector 1 to sector 2. - uis a direction perpendicular to the splitting direction ; M i and M j are two point locations in the geographical space; - Change in the order of the projected coordinates on the u'and u"directions; - u'and u"are directions with intermediate angles, belonging respectively to sector 1 and sector 2; - u' i , u' j , u" i , and u" j are the projected coordinates of points M i and M j : u' i > u' j and u" i <u" j .

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