Description Usage Arguments Value Examples
View source: R/cleanPatentData.R
Extracts the kind code, a one-to-two character code with a letter and typically a number, if found in the document (published) number.
1 | extractKindCode(docNum)
|
docNum |
The character vector of document numbers. |
A character vector of kind codes. If none found, a blank character is returned.
1 2 3 |
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