Buishand

Luo_Suppe2026-08-15

gma.climet.diagnosis.Buishand

[function] Buishand(data, axis = None, method = "Q"):

Checks homogeneity test using Buishand's methods proposed in T. A. Buishand (1982).

Parameters:

data: array.

Data to be tested.

**Optional:

axis = int. Default None.

Calculation axis. If not set (None), multidimensional data will be expanded to 1 dimension for calculation.

method = str. Default 'Q'.

Buishand's method. Supported methods include:

'Q', 'Range', 'LL Ration', 'U'.

Returns:

Type: namedtuple.

Statistic:

R('Range'): Buishand's Q Statistics range divided by squire root of sample size [R/sqrt(n)].

Q('Q'): Maximum of absolute Buishand's Q Statistics divided by squire root of sample size [Q/sqrt(n)].

V('LL Ration'): Maximum of absolute Buishand's weighted adjusted partial sum S.

U('U'): Buishand's U Statistics.

loc: Probable change point location index (Start from 1).