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New posts in dplyr
Filter group of rows based on sum of values from different column
Oct 14, 2025
r
dplyr
How to loop through a predefined list of variable and mutate many new columns in R?
Oct 14, 2025
r
dplyr
How to do multiple if/else logic calculations and apply them to several columns in a dataframe?
Oct 14, 2025
r
dataframe
function
if-statement
dplyr
Why does my R mutate across with rowSums not work (Error: Problem with `mutate()` input `..2`. x 'x' must be numeric ℹ Input `..2` is `rowSums(.)`.)?
Oct 13, 2025
r
dplyr
rowsum
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How do you create a named list from a grouped dataframe? [duplicate]
Oct 13, 2025
r
dplyr
tidyverse
purrr
Subsetting attributes of custom S3 class during dplyr::select
Sep 30, 2025
r
dataframe
oop
dplyr
Lagging variable by group does not work in dplyr
Sep 22, 2025
r
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lag
Create new column of from list using each item's name
Sep 22, 2025
r
dplyr
purrr
Binding on-change in ClojureScript/Reagent
Sep 22, 2025
onchange
clojurescript
reagent
dplyr
grouped case_when returns duplicate rows
Sep 22, 2025
r
dplyr
dplyr group_by() and slice() within group
Sep 21, 2025
r
dataframe
dplyr
Summary multiple columns with dplyr - categorical version
Sep 22, 2025
r
count
data.table
dplyr
summary
R: Convert all columns to numeric with mutate while maintaining character columns
Sep 21, 2025
r
dplyr
numeric
Problem with custom function in summarize() after group_by() - results identical for all groups
Sep 22, 2025
r
dplyr
summarize
Filter row based on max & unique value in one column
Sep 21, 2025
r
dplyr
tidyverse
Getting the second item after using str_split() in R
Sep 22, 2025
r
dplyr
stringr
R dplyr left join - multiple returned values and new rows: how to ask for the first match only?
Sep 21, 2025
r
dplyr
Group by two column and summarize multiple columns
Sep 21, 2025
r
dataframe
dplyr
tidyverse
How to get previous two years max value in R
Sep 20, 2025
r
dplyr
tidyverse
calculate ratio of two factors for each visit using dplyr
Sep 20, 2025
r
dplyr
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