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Sampling #training 一危磯 30%, test 一危磯ゼ 70%
library(caret) partition_idx <- createDataPartition (x$危覿, p=0.3)$Resample1 training <- x[partition_idx, ] test <- x[-partition_idx, ] library(caret) tmp <- downSample(subset(x, select = -危覿), factor(dataset$危覿)) tmp <- upSample(subset(x, select = -危覿), factor(dataset$危覿))
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