Count string by group (R)...

In grouped dataframe, summarize rows which contain certain value (e.g. zeros only) in set of columns...

How can I count the number of unique values in a column for each unique value of a different variabl...

Efficient way to create a dataframe with multiple summary columns based on a grouped dataframe using...

Smooth multiple columns of dataset with summarize...

Loop summarize & quantile an function with dynamic column...

calculate count(n) and percentages with dplyr in R...

Is there a way to remove duplicates but add the value if it appears at least once in the n selected ...

R dplyr long dataframe factor level summarisation to provide counts, group totals and percentages in...

Is there a way to calculate a percentage through summarize() when some rows are NAs in R that can th...

Kusto: Self join table and get values from different rows...

How to plot mean points with stat_summary groupping by color and by linetype?...

How to count number of unique values in a categorical variable, by groups of multiple columns...

Using dplyr to summarize summed proportions by groups...

SQL Join/Summarize/Fill empty columns - within one table...

dplyr: workflow to subset, summarize, and mutate new function...

sum the number of occurences based on two columns with 3 levels of categories in R...

Get the name of column header and export to different excel worksheet...

Difference between .groups argument and ungroup() in dplyr?...

R: Create summary table using T1 data for all groups, and T2 data for one group only...

Oracle SQL - Summarize data based on values in one column...

Summarize two numbers from one cell separately in Google Sheets...

aggregate function in R, sum of NAs are 0...

Looking for an R function that counts number of times two columns appear together...

summarise_each() with across() for dplyr package...

Divide group sum by total sum...

R: Tidyverse - Merging only the duplicate columns in a tibble...

Filter within dplyr::summarise to make calculation...

R: Combine rows with same ID...

Using cumsum for panel data in r...