Web Reference: What do you do when R code throws an unexpected error? What tools do you have to find and fix the problem? This chapter will teach you the art and science of debugging, starting with a general strategy, then following up with specific tools. I’ll show the tools provided by both R and the RStudio IDE. R provides traceback () to see where an error occurred, browser () to pause and inspect, and debug () to step through functions line by line. Combined with RStudio's visual debugger, you have everything you need. Jul 12, 2025 · It will stop the execution of function () and you can examine the function with the environment of itself. In debug mode, we can modify objects, look at the objects in the current environment, and also continue executing.
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