Summarizing dataframe string values to count in Python 3...

(How) can I use ddply to summarize a dataframe grouped by two factors?...

Finding percentage using group_by and summarise in R through dplyr...

Summarizing contents of csv...

Pandas: Get per-year counts for Dateranges spanning multiple years...

ifelse() nested statements in summarize function in dplyr R...

R list of data.frames, mean summarise grouping by common factor variable...

Merge two tables based on 2 conditions and output the average as result column...

How to "bring along another variable" with dplyr::summarise...

Summarise a logical Matrix...

Dynamic groupby function with brackets...

Number of categories not equal to a specific one...

add column total to new row in data frame R...

plyr summarize count error row length...

R relative frequencies organized by Group...

Combining multiple sentences into one text string in Python...

Summarize dataframe with a constraint using Dplyr...

Conditional calculation of mean per month per year dplyr...

Moving from deprecated summarize_ to new summarize in dplyr...

R: How to list all levels of a factor variable by summarise function...

Collapsing Sparse dataframe in R based on Group By...

dplyr: append summarise rows by threshold variable...

Summarize the same key name in php multidimensional array...

Summarize with character type conditions in dplyr...

How to group a dataframe, and then count the distinct values in R...

Javascript - convert string to associative array and summarize by value...

dplyr: summarise each column and return list columns...

Aggregating while concatenating in R using dplyr piping...

Using dplyr to summarize and keep the same variable name...

Unix, group rows and sum values of columns from file.csv...