error message during execution

[Todd Richards]

Dear Chris, I am enclosing both my rstudio output window and my input data (which were saved as csv files as shown in the output.txt.  Can you please help me get this code to run?  Do I need to fix any of my input files?

Thanks.

See enclosed files.

Todd

[Chris Watson]

Hi Todd, please read Chapter 2.1 of the brainGraph User Guide for how to get help properly. In particular:

• save your code as a ".R" file (so I can easily execute it and replicate your error);
• don't save the variables as individual CSV files;
• and copy+paste the error message you received, but just the first error (as the others likely propagate from the first one).

Have you tried anything to determine the cause of the error? The "invalid first argument" error suggests to me that perhaps you are copying some code you saw somewhere (perhaps in the User Guide)? Have you tried understanding what the code does, and why that error *could* happen?

The more likely possibility is that it is an error with parallel processing (e.g., via "foreach") so have you tried running without parallelization? You didn't post anything about your environment so I'm not sure if this is the most likely error.

Thanks,

Chris

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[Todd Richards]

Okay, I was able to get this command to work without parallel processing
g.tmp <- graph_from_adjacency_matrix(A.norm.sub[[1]][, , inds[[1]][1]],
mode='undirected', diag=F,
weighted=T, subnet=regions.angu)

Thanks for the hints. I can take it from here.
Todd

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