I just started R coding a while ago, and I was trying to knit the file to either a PDF or a HTML .
However, I got an error doing that which says
Any help is appreciated.
At line 25, data_ass1 is not found. Restart R in the current session or restart RStudio and make sure that line 17 puts an object named such into the global environment.
I dont know what it means by data_ass1 not found when the code can run.
It means that when the knit process begins, it has a global environment that does not include any user-created objects, such as data_ass1, which is not explicitly brought in.
Although data_ass1 may have been in the interactive environment when knit was invoked, data_ass1 is not available to use unless it is created in a chunk. None of the chunks in the screen shot show that happening. Perhaps df in line 17 should be named data_ass1. It cannot be determined without access to the local file being read in, which is not provided here.
omg thanks. You're a lifesaver. It finally was able to export to PDF. R coding is so complicated it scares me !
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Think of R as school algebra writ large: f(x) = y. Some object, f acts upon some object, x, to produce some other object, y. Objects have different properties. Some are functions like f, some are arguments, like x and the others have the properties produced by giving x as an argument to f. f is a first-class object, meaning that it can be given as an argument to some other function, g, as in the school case of g(f(x))
Keeping this in mind provides a mental checklist to start troubleshooting.
Is it possible to see all of f, x and y in the context of the current environment?
Because
Your hands can't hit what your eyes can't see.—Mohamed Ali
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