Hello, First of all, I should say that I am an Engineer with a very basic knowledge in statistics (perhaps thats why I am using JMP 🙂 I have a data table with 90,000 rows and 12 columns. One of the columns has a pre-selected role as "Weight". The dataset I have has been sampled from a series of events with each event having its own "Weight". In our literature, it is common to publish Tables with "Unweighted N" and "Weighted N". Unweghted N is the actual sample size and Weighted N being always higher than the Unweighted N (please see attached file). In all my analyses, even if I include the Weight column, I could not calculate the "Weighted N". That is, the total number of rows always adds up to the actual number of rows (90,000). However, the Tabulate functions seems to include the Weights, but again would not display the "Weighted N". Appreciate any help with this. Thanks, Mike
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