st: Standard error of mean under auto-correlation

["Charles Thibault" <cthibault@corzen.com>]

Hello,

Does anyone know of a formula to compute the standard error of a mean when
the random variable is serially correlated?

Right now I don't want to run the 

prais x

command, because missing observations in my data cause it to take too long.


Thanks,

	Charles Thibault




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