Residuals_CL

Location: ..\cubatch\Common\Residuals_CL.m

function Qlim = Residuals_CL (Res,ConfLim);

Description:
Computes the residuals confidence limits relative to the matrix Res according to Jackson and Mudholkar.

Inputs:
Res: matrix of the residuals
ConfLim (optional): vector with the desired "alpha"s (default [.95 .99])

Outputs:
Qlim: vector with the confidence limits the number of elements correspond to the number of thresholds specified in ConfLim

Called by:
OnLineRes

Subroutines:
Internal: None
External: norminv (Statistical Toolbox)

Author:
Giorgio Tomasi
Royal Agricultural and Veterinary University
MLI, LMT, Chemometrics group
Rolighedsvej 30
DK-1958 Frederiksberg C
Danmark

Last modified: 11-Oct-2002 14:35:28

Contact: Giorgio Tomasi, gt@kvl.dk

References
[1] Jackson, J.E., Mudholkar, G.S., "Control Procedures for Residuals associated with Principal Components Analysis", Technometrics, 21, (1979), 341
[2] Nomikos P., Mac Gregor J.F., "Monitoring batch process using multiway principal component analysis", AIChE journal, Vol 40, n°8, 1994, 1361-1373