How to use across method In R Language
The Across method is used to span multiple data elements be its rows, or columns of the data. For instance, it can be used to check as well as return the desired output with various inbuilt functions like is.numeric. In the following code, the row sums of all the rows have been calculated which contain integral values satisfying the condition of being numerical. Therefore, the sum of col1, col3, and col4 values for each row has been displayed.
R
# Applying across data %>% mutate (sum = rowSums ( across ( where (is.numeric)))) |
Output:
Row wise operation in R using Dplyr
The dplyr package in R programming is used to perform simulations in the data by performing manipulations and transformations. It can be installed into the working space using the following command :
install.packages("dplyr")