outer() Function in R with Examples
The outer() in R is used to apply the function to two arrays or vectors to get the result in a Matrix. In this article, I will explain the syntax…
The outer() in R is used to apply the function to two arrays or vectors to get the result in a Matrix. In this article, I will explain the syntax…
We are often required to measure the running time of an R code or timing of a function. You can get the timing in R using several methods. For example,…
How to use summarise on group by DataFrame in R? The summarise() or summarize() functions performs the aggregations on grouped data, so in order to use these functions first, you…
How to group by mean in R? By using aggregate() from R base or group_by() function along with the summarise() from the dplyr package you can do the group by on dataframe…
How to do group by sum in R? By using aggregate() from R base or group_by() function along with the summarise() from the dplyr package you can do the group by on…
Ho to do group by count in R? By using aggregate() from R base or group_by() function along with the summarise() from the dplyr package you can do the group by on…
How to perform a group by on multiple columns in R DataFrame? By using group_by() function from dplyr package we can perform group by on multiple columns or variables (two…
The group_by() function in R is from dplyr package that is used to group rows by column values in the DataFrame, It is similar to GROUP BY clause in SQL.…
How to reorder (change the order) columns of DataFrame in R? There are several ways to rearrange or reorder columns in R DataFrame for example sorting by ascending, descending, rearranging…
How to sort a list in R? Sorting or Ordering a list in R can be done by using lapply() function or using the order() function after converting to a…