If you want to find the maximum value within a specific subset of your data, you must find the maximum…
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…
Here are six ways to remove a single column from a data frame in R: By assigning NULL to a…
Dates in R are stored as the number of days since 1970-01-01, so converting a Date object to a Numeric…
Here are four different ways for different scenarios to remove NA values from a data frame: Use na.omit() Use complete.cases()…