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说,我有这样的数据:情节预测区间在积分
pred = rnorm(100, 0.1*(1:100), 1)
interval_lower = pred - 1
interval_upper = pred + 1
sample_data <- data.frame(
actual = rnorm(100, 0.1*(1:100), 2),
pred = pred,
interval_lower = interval_lower,
interval_upper = interval_upper)
我怎么会产生与预测区间的曲线绘制在预测和实际的数据,其中的预测是在红色?
甚至不能加分的情节:
ggplot(data = sample_data) + geom_point(aes(x = 1:100, y = actual)) +
+ geom_point(data = pred, colour = "red")