step2c: step2c

View source: R/micss.R

step2cR Documentation

step2c

Description

Computes step 2c of the icss Algorithm.

Usage

step2c(e, bb, sig.lev, kmax, alpha)

Arguments

e

Stationary variable on which the constancy of unconditional variance is tested.

bb

The output of function steps1.to.2b.

sig.lev

Significance level.

kmax

Maximum lag to be used for the long-run estimation of the fourth order moment of the innovations.

alpha

Tail index.

Details

Used internally by icss.

Value

  • nb: Number of breaks.

  • tb: Time of the breaks.

References

C. Inclan & G.C. Tiao (1994): Use of Cumulative Sums of Squares for Retrospective Detection of Changes of Variance. Journal of the American Statistical Association 89, 913-923.


micss documentation built on Sept. 11, 2024, 6:46 p.m.

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