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Table 3

Confusion matrices for the classification of unlensed, double, and quad systems.

Truth Predictions

Unlensed Double Quad

Unlensed all : 98.4% all : 1.3% all : 0.3%
r: 93.8% r: 4.7% r: 1.5%
i: 96.8% i: 2.6% i: 0.6%

Double all : 14.0% all : 70.2% all : 15.8%
r: 25.8% r: 54.5% r: 19.7%
i: 20.2% i: 55.1% i: 24.7%

Quad all : 2.4% all : 9.9% all : 87.7%
r: 9.2% r: 18.5% r: 72.3%
i: 8.2% i: 19.5% i: 72.3%

set A: ∆ttrue ~ U[5.0,24.0] and µtrue ~ U[1/3, 3.0]
Truth Predictions

Unlensed Double Quad

Unlensed all : 97.0% all : 2.6% all : 0.4%
r: 93.9% r: 4.2% r: 1.9%
i: 96.6% i: 2.7% i: 0.7%

Double all : 14.0% all : 69.6% all : 16.4%
r: 28.3% r: 52.8% r: 18.9%
i: 21.9% i: 52.0% i: 26.1%

Quad all : 3.4% all : 11.1% all : 85.5%
r: 10.3% r: 19.5% r: 70.2%
i: 9.6% i: 19.5% i: 70.9%

set B: ∆ttrue ~ U[4.0, 24.0] and µtrue ~ U[1/3, 3.0]
Truth Predictions

Unlensed Double Quad

Unlensed all : 95.2% all : 3.9% all : 0.9%
r: 93.4% r : 4.7% r: 1.9%
i: 96.0% i: 2.8% i: 1.2%

Double all : 16.8% all : 65.0% all : 18.2%
r: 30.0% r: 49.1% r: 20.9%
i: 24.2% i: 47.9% i: 27.9%

Quad all : 3.6% all : 11.8% all : 84.6%
r: 12.0% r: 17.4% r: 70.6%
i: 9.8% i: 17.6% i: 72.6%

set C: ∆ttrue ~ U[3.0, 24.0] and µtrue ~ U[1/3, 3.0]

Notes. The results obtained from multi-band (rizy) light curves are labelled ‘all,’ while those from individual r and i bands are labelled accordingly.

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