Use this tag for questions relating to functions from the dplyr package, such as group_by, summarize, filter, and select.
I am quite new to R. Using the table called SE_CSVLinelist_clean, I want to extract the rows where …
r filter dplyrI'm new using dplyr, I need to calculate the distinct values in a group. Here's a table example: data=data.…
r dplyr idioms summarizationHere's a sample data frame: d <- data.frame( x = runif(90), grp = gl(3, 30) ) I want the subset of d …
r data.table dplyrI want to start using dplyr in place of ddply but I can't get a handle on how it works (…
r group-by dplyr compound-keyIs there a more succinct way to get one column of a dplyr tbl as a vector, from a tbl …
r dplyr lazy-evaluation collectI have a persistent multiple warning of "unknown column" for all types of commands (e.g., str(x) to installing …
r dplyrWhen working with plyr I often found it useful to use adply for scalar functions that I have to apply …
r plyr dplyrIt seems dplyr::case_when doesn't behave as other commands in a dplyr::mutate call. For instance: library(dplyr) case_…
r dplyr