Read a column in an input tbale file and flag discrepant points. The routine that performs the statistical analysis to identify the flagged points is stats_outliers.sh.

% flag_outliers --help 

Usage: flag_outliers cdfpmatI dRA_arcsec 3.0 median 3 N 
arg1 - Basename of table file (A1 for A1.table, must have params file)
arg2 - name of parameter  
arg3 - beta rejection factor (3.0) 
arg4 - mean or median  
arg5 - number of rejection cycles   
arg6 - run in debug/verbose mode (Y/N)

Flagged points are in the file:   stats_outliers.flags

Here is an an example of stats_outliers.flags where point 3 is flagged: 
% cat stats_outliers.flags
     1  0
     2  0
     3  1
     4  0
     5  0