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12 Regular Expressions | Crime by the Numbers

We'll start with grep() which allows us to search a vector of data (in R, columns in a data.frame operate the same as a vector) and find where there is a match ...

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查詢 「R grep data frame」的人也找了：

  1. Grep
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  2. r grepl column
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  3. R grep multiple patterns
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  4. R select grep
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  5. R filter grepl
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  6. R filter dataframe
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  7. R grep not match
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  8. R Which dataframe
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