If you want to find the maximum value within a specific subset of your data, you must find the maximum…
The dplyr summarise()(or summarize()) function aggregates data into a single summary value for each group or the entire dataset if ungrouped.…
Counting conditionally in the data frame means counting the number of rows that meet specific conditions defined by the user.…
What do you mean by counting unique values by group? Well, it means you divide the dataset into subsets based…
To calculate the percentage by the group in R, you need to combine various dplyr functions such as group_by(), summarise(), mutate(),…
In R, you can calculate the sum by group using the base aggregate(), dplyr's group_by() with summarise(), or the data…
Here are three ways to calculate the mean by group for single or multiple columns in the R data frame:…
To count the number of rows by group in R, you can either use the dplyr::count(), dplyr::group_by() with tally(), or…
The group_by() function from the dplyr package allows us to group data frames by one or more variables (columns), enabling…
The dplyr::slice() function subsets rows by their position or index within a data frame. If you want to select specific…