library(data.table)
dt <- data.table(
ID = 1:5,
Name = c("Alice", "Bob", "Charlie", "David", "Eve"),
Age = c(25, 30, 35, 40, 45),
Score = c(85, 90, 95, 80, 75)
)
dt <- as.qe.data(dt);
class(dt) # Should show 'qe.data' along with other classes
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