Description Usage Arguments Value References Examples
View source: R/LNV_1998_unit_root.R
This function allows you to make Leybourne, Newbold and Vougas (1998) nonlinear unit root test
1 | LNV_1998_unit_root(x, model, max_lags, lsm)
|
x |
series name, |
model |
if model with intercept 1, if model with trend 2 if model with trend*function 3, |
max_lags |
maximum lag |
lsm |
lag selection methods if 1 AIC, if 2 BIC |
"Model" Estimated model
"Selected Lag" the lag order
"Test Statistic" the value of the test statistic
Leybourne, S., Newbold, P., & Vougas, D. (1998). Unit roots and smooth transitions. Journal of time series analysis, 19(1), 83-97.
Burak Guris, R Uygulamalı Dogrusal Olmayan Zaman Serileri Analizi, DER Yayinevi, 2020.
1 2 3 4 5 6 7 8 9 10 | x <- rnorm(1000)
LNV_1998_unit_root(x, model = 1, max_lags = 6, lsm = 2)
y <- cumsum(rnorm(1000))
LNV_1998_unit_root(y, 3, 3, lsm = 1)
data(IBM)
LNV_1998_unit_root(x = IBM, model=2,max_lags = 10, lsm = 1)
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