Content-type: text/html Manpage of xcorr

xcorr

Section: User Commands (1)
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NAME

xcorr - Cross correlate columns in ascii files.  

PERSON RESPONSIBLE

mchw  

CATEGORIES

analysis  

DESCRIPTION

XCORR is a Miriad task to cross correlate columns in ascii files. Print average and rms for each column and the correlation matrix. Write the cross correlation functions to output file.  

PARAMETERS

in
Input filename of ascii data. Lines begining with "#" are not used. Default is a pill box 3 rows wide and shifted by 10 rows.
out
Output filename for cross correlation functions. Default none.
nrow
Number of rows, same as number of points in FFT . Must be power of 2 only if correlation functions are written. Maximum 4096. Default 32.
ncol
Number of columns to cross correlate. Maximum 16. Default 2.
refcol
Refererence column for cross correlation. Default 1.
device
Standard PGPLOT device, to plot correlation functions. Default is no plot.
nxy
Number of plots in the x and y directions. The default selects something reasonable.
xrange
The min and max range along the x axis of the plots. The default is to autoscale.
yrange
The min and max range along the y axis of the plots. The default is to autoscale.
options
This gives extra processing options. Several options can be given, each separated by commas. They may be abbreivated to the minimum needed to avoid ambiguity. Possible options are:
   'linfit'   Fit and remove slope and offset from data.


 

Index

NAME
PERSON RESPONSIBLE
CATEGORIES
DESCRIPTION
PARAMETERS

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Time: 18:35:39 GMT, July 05, 2011