hasProblems = TRUE issues

[Courtney Burk]

Hi all,

I keep getting this error and can't figure out how to fix it: 

> CamOp <- cameraOperation(CTtable, + stationCol = "Site.ID", + sessionCol = "Session", + setupCol = "SetupDate", + retrievalCol = "TakedownDate", + hasProblems = TRUE, + dateFormat = "%m/%d/%Y", + ) Error in if (all(inputColumn == "") & allowEmptyOutput) return(NA) : missing value where TRUE/FALSE needed

Any insight would be much appreciated. Based on the source code, everything seems like it's written correctly. TIA!

[Jarrad Barnes]

For this to run, CTtable needs to point to a dataframe e.g. CTtable = dat (unless you've specified it previously before running the code). Even with that fixed, I don't see how this runs at all with the "+" symbol before each line of code. Does specifying the CTtable and removing the "+"s make this work?

[Jürgen Niedballa]

Hello,

and sorry for the late reply, missed the original post. 

As said, CTtable needs to be specified, unless you have an object of that name in your environment. 

The + are likely only from copying code from the console, but should not appear in actual code.

There is also a comma at the end which implies an empty/ unassigned function argument after and may cause problems, so I'd suggest removing it. 

If none of this helps please share a small data subset, ideally in a saved R workspace. The error suggests some . unforeseen condition which is not caught by a proper error message.

Thank you 

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[Sean Sultaire]

I'm having the same issue running cameraOperation on a CTtable with hasProblems=TRUE in the newest camtrapR version. Below is my code and attached is my CTtable. I'm fairly certain there isn't anything weird with the problem columns (e.g., Problem_from>Problem_to). I've tried running the code on a table I read in with and without NA's in the Problem columns. 

Any help is much appreciated

cam_op <- cameraOperation(CTtable = CTtable,
                          stationCol = "Station",
                          setupCol = "setup",
                          retrievalCol = "retrieval",
                          hasProblems = TRUE,
                          camerasIndependent = TRUE,
                          dateFormat = '%m/%d/%Y',
                          writecsv = FALSE)

[Sean Sultaire]

I was able to figure this out. Turns out my Problem3_from and Problem3_to columns were empty.

[Jürgen Niedballa]

Thank you for the update. I will add a check and informative error massage for this situation to the function.

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