Description of the program: xcor

This program computes the cross correlations between two time series, given as two columns of ONE datafile.

Usage:

xcor [Options]

Everything not being a valid option will be interpreted as a potential datafile name. Given no datafile at all, means read stdin. Also - means stdin

Possible options are:

Option Description Default

-l# number of data to use whole file

-x# number of lines to be ignored 0

-c# columns to be read (numbers have to be separated by commas) 1,2

-D# number of correlations 100

-o# output file name
without file name: 'datafile'.cor
(or stdin.cor if stdin was read)
If no -o option is given stdout is used

-V# verbosity level
0: only panic messages
1: add input/output messages 1

-h show these options none

Option	Description	Default
-l#	number of data to use	whole file
-x#	number of lines to be ignored	0
-c#	columns to be read (numbers have to be separated by commas)	1,2
-D#	number of correlations	100
-o#	output file name	without file name: 'datafile'.cor (or stdin.cor if stdin was read) If no -o option is given stdout is used
-V#	verbosity level 0: only panic messages 1: add input/output messages	1
-h	show these options	none

Description of the Output

The first four lines contain the average and the standard deviation of the two data sets. The last lines are the crosscorrelations: <x_t*y_t+d> devided by the standard deviations of both data sets. d ranges from -D to D.

View the C-sources.

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