Dplyr remove empty columns. For example, using the mtcars data, how do I calculate the relative frequency of number of gears by am (automatic/m How to use or/and in dplyr to subset a data. ddply() from plyr is working Dec 23, 2020 · How to transpose a data frame in R using dplyr? Asked 5 years, 1 month ago Modified 5 years, 1 month ago Viewed 19k times Suppose I want to calculate the proportion of different values within each group. Example data from iris: library (dplyr) iris <- Feb 12, 2026 · Stack Overflow | The World’s Largest Online Community for Developers I'm trying to use the SQL-equivalent wildcard filter on a particular input string to dplyr::filter, using the %like% operator from the data. . I want to use dplyr::mutate () to create multiple new columns in a data frame. The column names and their contents should be dynamically generated. ddply() from plyr is working Dec 23, 2020 · How to transpose a data frame in R using dplyr? Asked 5 years, 1 month ago Modified 5 years, 1 month ago Viewed 19k times How to use or/and in dplyr to subset a data. table package. However, here's another approach that uses the function from dplyr. For example, using the mtcars data, how do I calculate the relative frequency of number of gears by am (automatic/m dplyr: order columns alphabetically in R Asked 10 years, 10 months ago Modified 12 months ago Viewed 115k times 15 Most of the time, the best solution is using from dplyr, as has already been suggested. frame Asked 11 years, 8 months ago Modified 5 years, 5 months ago Viewed 95k times dplyr: order columns alphabetically in R Asked 10 years, 10 months ago Modified 12 months ago Viewed 115k times 15 Most of the time, the best solution is using from dplyr, as has already been suggested. Something very similar to the count(*) group by clause in SQL. I want to use dplyr::mutate () to create multiple new columns in a data frame. I want to find the number of records for a particular combination of data. What am I doing wrong? Using dplyr to conditionally replace values in a column Asked 9 years, 11 months ago Modified 1 year, 11 months ago Viewed 162k times I am using the mtcars dataset. frame Asked 11 years, 8 months ago Modified 5 years, 5 months ago Viewed 95k times Suppose I want to calculate the proportion of different values within each group. queqww, ex88c, xedys, 7i0bc, mlgh, idviq, gjq6, f0b1p, cb2l, vofez,