Group by and Summarise functions in R programming - use the tidyverse package to wrangle your data

R Tutorial Episode 15 - Sum a variable by group in R

Sum Duplicate Rows (Example) | Consolidate & Merge Repeated Values | aggregate & group_by of dplyr

Understanding group by (R Tidyverse)

How to sum a variable by group in R

Across() and row-wise operations in R | Part 10: Data wrangling for linguists with tidyverse

10 Tidyverse Functions - #2 Across (w/ Group By + Summarize)

R: sum if | group by | case when | dplyr || 12

Tidyverse in R... Select and Group By

Sum by Group in R (2 Examples) | Apply aggregate Function to Vector / Column / Variable

dplyr Info: `summarise()` has grouped output by ‘X’. You can override using the `.groups` argument.

Group Data Frame Rows by Range in R (2 Examples) | Aggregate Interval, Year & Date | dplyr Package

Using dplyr's group_by for grouping data in R (CC163)

R: sum columns/rows in data frames | dplyr || 10

Grouping and Summarizing Data Using dplyr

tidyverse docs: Data frame verbs: columns continued (tidyversedocs01)

Calculate Multiple Summary Statistics by Group in One Call | aggregate() | Base R & dplyr Package

Numbering Rows within Groups of Data Frame in R (2 Examples) | Base R vs. dplyr | Add Group Counter

Group_by and summarize | Data untangled: transforming and cleaning data with R (lesson 5)

Data Wrangling with R and the Tidyverse - Workshop