WebGitHub Gist: instantly share code, notes, and snippets. WebMar 20, 2015 · 1 I have a character string in UTF-8, and need to 1) gsub special symbols, 2) convert whole data frame to "normal" (ASCII?) encoding. However, I fail to run gsub on it - doesn't catch the string. I work in French locale (tried UTF-8) but didn't get it granted. Cannot give you the full dataset, but will post a couple strings from it here.
"invalid regular expression...reason
WebDec 13, 2016 · It's possible to use a terminal command as an input instead of a file path and apply the gsub (or the Windows equivalent) on the way in. You can also set the sep2 … WebApr 21, 2016 · Looking into the code of extract_numeric gives us that it is a simple wrapper for gsub. function (x) { as.numeric (gsub (" [^0-9.-]+", "", as.character (x))) } So, for current example, you can use regular expression gsub (" [^0-9.-]+", "", test) Share Improve this answer Follow edited Apr 21, 2016 at 14:19 answered Apr 21, 2016 at 14:02 inscaven missy oak 5 picket pant 1511c7
How can I Insert gsub function into read.csv function
WebFeb 10, 2015 · The error was because you tried to use an array of replacements in the place of a string in the gsub function. Its syntax is: text.gsub (matching_pattern,replacement_text) You need to do something like this: replaced_text = text.gsub (pattern1, replacement1) replaced_text = replaced_text.gsub (pattern2, replacement2) WebMar 26, 2015 · This is not a real answer, as I didnt find any method that is always faster. Apparently it depends on the length of your text/vector. With short texts gsub performs fastest. With longer texts or vectors sometimes gsub with perl=TRUE and sometimes stri_replace_all_regex perform the fastest.. Here is some test code to try out: WebAug 6, 2024 · The difficulty here is that gsub is interpreting 'Total attendance' as a character string, not a column name. My natural reaction was to use backticks instead of single quotes, but then I get a message that this object could not be found. I'm not sure what the problem is here, but you can resolve it using across missy off of big mouth