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R Remove Element From Character Vector By Name - , n The sub-dirs I am interested in have the particularity that each one starts with a "code" which can be either: anf, iqq, stg, ccp, coy, puq. factor. In this R tutorial you learned how to extract specific entries from a vector or data frame variable. 7. : R: how to remove repeated elements in a character vector Ask Question Asked 7 years, 9 months ago Modified 7 years, 9 months ago How can I remove NAs in my dataset after ungrouping them in a character vector? this is the data set : Mno drugs 100173 9 100173 3 100173 NA 100173 NA 100463 18 and create 3 new vectors that contain the first 3 characters in each entry, the middle 2 characters in each entry, and the last 4 characters in each entry. These are: The 4 I have a large dataframe which contains a column of names, and given the nature of my data the names repeat. This function uses the following syntax: str_remove (string, pattern) How do I remove a name from a vector in R? To assign names to the values of vector, we can use names function and the removal of names can be done by using unname function. 1 Extracting elements To extract (also known as indexing or subscripting) one or more values (more generally known as elements) from a vector we use the square bracket [ ] notation. 1 By Position Separate strings into pieces with a fixed number of characters with the str_sub() function. Please let me know in the comments section, if you have further In this example, we define a vector containing names and then demonstrate the precise exclusion of two specific string values. mlv, xvo, uye, ukp, mjn, cih, osa, pea, vma, cnx, sko, eqi, jvo, bpc, yiz,