You are here: NI Home > Support > Product Reference > Manuals > LabVIEW 8.5 Help

Member of the statistics class.

Syntax

y = detrend(x)

y = detrend(x, option)

y = detrend(x, 'linear', break)

Description

Removes a trend from input data.

Examples

Inputs

Name	Description
x	Specifies the data from which you want to remove a trend. x is a vector or matrix. If x is a matrix, LabVIEW performs column-wise detrending.
option	Specifies the trend to remove from x. option is a string that accepts the following values. 'constant' Removes mean values. 'linear' (default) Removes linear effects where the breakpoints are defined by break.
break	Specifies the breakpoints. break is a vector of indexes of x. If you specify the 'constant' trend, you cannot specify break.

Outputs

Name	Description
y	Returns x with the trend removed.

Examples

X = [3, 2, -1; 1, 6, 3; 2, -4, 0]
Y = detrend(X)

Related Topics

mean