| 4): In "realign" what does mean "adjust sampling errors" and when I must
| use these option?
It removes a tiny amount of interpolation error from the data. In reality
it should not do much to the data, but it can increase your t statistics
slightly. It does slow things down a lot though. Full documentation of
what it does can be obtained via the <Help> facility in SPM99.
best regards,
-John
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