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Map of the origins of the peridot samples from Damaping, Hebei Province and Yiqisong, Jilin Province, China and Changyon District, DPRK
Figures of the Article
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Accuracy of six machine learning models on the peridot training set and testing set
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Map of the origins of the peridot samples from Damaping, Hebei Province and Yiqisong, Jilin Province, China and Changyon District, DPRK
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Some double-sided polished peridot samples from Damaping, Hebei Province
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Faceted samples from the three origins (left three samples: Damaping, Hebei Province; middle three samples: Yiqisong, Jilin Province; right three samples: Changyon District, DPRK)
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Gaussian kernel density estimation on 16 elements of peridot samples from the three origins
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Accuracy of LDA model obtained by combining different elements
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Average improvement rates for each element in different combinations of element quantities
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Sum of average improvement rates for individual element
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Ideal boundary and LDA boundary for a binary classification problem in 2D space
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