Syntax:

-autocorrelation start stop step outdir

Example 1.
./vartools -i EXAMPLES/2 -header \
    -autocorrelation 0.0 10. 0.05 EXAMPLES/OUTDIR1

#Name
EXAMPLES/2

Compute the discrete auto-correlation function (DACF) of the light curve EXAMPLES/2. The DACF is calculated between time-lags of 0 and 10.0 days with a time-step of 0.05 days. It is output to the directory EXAMPLES/OUTDIR1 with the filename 2.autocorr

Example Autocorrelation Function

Fig 1. DACF computed in Example 1.