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Can we avoid repeating the column name each time when using it in mutates...


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Count number of characters with column name in dynamic variable...


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Use mutate and case_when in empty columns...


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find the first TRUE within a group...


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Mutate the column name from the corresponding selected value among many columns...


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mutate columns in R that start with a particular letter - converting character to numeric...


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in R, add the value of a column (rowwise) to any column that is named as a date (and output the resu...


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efficient R code to assign timestamp (vintage) to each row in a dataframe, based on related rows in ...


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Is there a more compact way of writing chains of piped mutate calls?...


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How to extract numeric data from data with duplicate column names?...


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Modify the values ​of a variable...


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Add a new variable to dataframe after applying lubridate to datetime...


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R index, filter then match on multiple criteria. Easy in excel, not so in r...


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Mutate/cut to bin grouped data by grouped break points...


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How do I create a new column in my DF of daily measurements that gives me the increase between today...


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issue with time zones in dataframe and POSIXct data...


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mutate several combinations of var prefixes and suffixes, conditionally...


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Apply function rowwise() using column names to identify function arguments using mutate()...


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In R create a new column from a column using the function case_when() with multiple conditional rule...


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