Shulou(Shulou.com)06/02 Report--

This article mainly explains "the debugging method of R language error message with traceback". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Next, let the editor take you to learn the debugging method of R language error message with traceback.

The error report of function call in R language is generally not very accurate, so it is difficult to find the specific cause of the error. But in R, traceback can be used to make a preliminary judgment.

Here is an example: when running the gdcCEAnalysis function, the error "names' attribute [11055] must be the same length as the vector [2777]" is reported. You have no idea what caused this error. After adopting the traceback function, it will show the specific step at which the function is running with the problem.

> ceOutput

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