R calculate timestamp of last message based on user ID of who sent message...

Sum column of rows below which meet a certain criteria...

Detect dropout (using R)...

Create column giving next occurrence of equal or smaller value in other column...

flagging rows with different non-NA values within the same grouping variable...

Swapping strings or values in grouped data based on condition...

Is there a way to automate generating a table with dplyr?...

Using .keep and .before in dplyr::mutate() While Overwriting a Column Name with the same Name...

marginaleffects::predictions returning closure error...

add gaps in circular plot in R...

Renaming columns based on variables in another data frame...

R Dplyr: Summarizing a column, if it is present...

stringdist within a function...

Unexpected output of dplyr::top_n...

Get position index of second highest value by row for selected columns...

R - greatest common divisor dplyr routine...

Replace multiple string values in dataframe with alternative strings...

Avoiding NAs in the output of dplyr...

Collapsing data per family...

How to pass unquoted argument to filter() within user defined function...

R dplyr conditional join with "join_by" not working...

Join merge two data frames based in string names and adding the mean of other columns...

Adding a row at the end of a group in R...

How to find the percentile for each observation in a data frame in R?...

Making list of strings while summarizing with dplyr...

Percentage labels per x-axis group in stacked bar plots...

How to Nest Data for Pairwise Group Comparisons in dplyr?...

Reformat data to summarize and collapse rows into simple table...

Rename mutiple variables based on a vector...

Aggregate by group across logical values...