[ncl-talk] warning:ttest

Xi Chang xi.chang01 at gmail.com
Mon Oct 27 11:04:16 MDT 2014


Hallo NCL,

Why did I get this error:

warning:ttest: encountered 60 cases where var1 and/or var2 were less than
or equal to 0. Output set to missing values in these cases

will it influence the result?

Thanks
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