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R is a programming language and software environment for statistical computing and graphics. The R language has become a de facto standard among statisticians for developing statistical software, and is widely used for statistical software development and data analysis.
Now that that's out of the way.... here's my problem.
I have a data frame. Lets call the data frame "object." When I type str(object) I get
So far everything looks good. I want to isolate specific rows of my data frame according levels of Region, Have.Data and Use.Level variables. For some reason I can do this with say, 2 of those variables, but the third. For example, I can do something like this:
Levels: C N S
So clearly at observation 58, I can see that the Region is labelled C, and it returns TRUE if I ask if Region is C. Similarly I can do that when I ask if both are at certain levels simultaneously.
For some reason this falls apart when I try to do it for the Use.Level variable.