Talend DQ: Definitions of Column Analysis / "Simple Statistic" Metrics

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Talend DQ: Definitions of Column Analysis / "Simple Statistic" Metrics

I would like to know if there are any published definitions of the "Simple Statistics" metrics generated by Talend DQ / Data Profiling Module.  There are separate metrics for "Distinct" vs. "Unique" which can have differing counts for a profiled db column - not sure what the difference is.  For example, free text field/column with profile results of 0% Blanks/Nulls, 82% Distinct but only 75% Unique values.  Thanks for any insights.
Employee

Re: Talend DQ: Definitions of Column Analysis / "Simple Statistic" Metrics

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Re: Talend DQ: Definitions of Column Analysis / "Simple Statistic" Metrics

Thanks Sebastiao!