Analysis failing with only three values in dataset

[Luis]

Hello, I have a dataset where most of the data is scored for the presence of an individual with a “1”, and when when there are no individuals present, the cell in Excel remains empty. In some cases, the minority of cases, some individuals have been assigned a “2” because they have more relevance than others.
Anyway, the cells in my dataset either have nothing or a 1 or a 2. Those are the only options.
Unfortunately, PATN is failing to run an analysis of my data, and I suspect that is because I don’t have enough categories in my scoring; e.g. 1, 2, 3, 4, 5 + categories.
Any insights on what is going on and whether I need to re-score my data or whether there is an option amongst the PATN analysis options that would suit my data?
Thanks!
Luis

[Luis]

Ah, the solution was simple. Absences were occurring as null values in the cells in my matrix and they simply had to be replaced with 0s.

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