furanku

NMRPipe System Programs

pcaNMR

Principal Component Analysis of Spectra/Images



Command-Line Argument List

Program pcaNMR, argument checking enabled.
PCA error extracting command arguments.

PCA of Regions in a 2D NMR File or Series:
 pcaNMR < inputStream
Optional Arguments:
  -in     inName             Input Name or 3D Template.
  -reg    regList     [Full] Point Coords of Region for PCA;
                             Requires -in option.
  -nc     numComp     [4]    Number of Components.
                             (Use Zero for Auto)
  -itmax  itmax       [50]   Max Iterations Per Component.
  -conv   cTol        [1e-6] Convergence Tolerance.
  -noverb             [No]   Verbose Mode Off.
Scaling Options:
  -center             [No]   Use Mean-centering.
  -scale              [No]   Use Variance Scaling.
  -autoScale          [No]   Use Both Centering and Scaling.
Residual Test for Rank Estimation and Auto Component Count:
  -rank               [No]   Do Initial Rank Estimation.
  -extra  numExtra    [0]    Extra Components.
  -noise  nDev        [0.0]  RMS Noise Estimate.
  -confid cProb       [0.95] Confidence Limit.
  -thresh tHi         [0.0]  Detection Threshold.
Residual Test Method (Choose Only One):
  -nores                     No Residual Test (Default).
  -maxres                    Test by Maximum Residual;
                             Requires -thresh flag.
  -expl                      Test explained var.
  -maxchi                    Test both Maximum Residual
                             and Chi-Square;
                             Requires -noise flag.
  -chi                       Test by Chi-Square;
                             Requires -noise flag.
Output Files:
  -pca    pcaTemplate [None] Save Components.
  -res    resTemplate [None] Save Residuals.
  -score  scoreName   [None] Save Score Vectors.
  -load   loadName    [None] Save Load Vectors.