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我想对 AR(1) 进行 Chow 测试,即我想测试在某个时间点之后,滞后项的系数是否在统计上与其余时间段不同。
谢谢
require(strucchange) set.seed(123) x <- arima.sim(n = 100, list(ar = 0.5)) data <- cbind(x, lx = lag(x)) sctest(x ~ lx, data = data, type = "Chow", point = 10)