R select every nth row

1. How do you take every nth row in R?
2. How do I select specific rows in R?
3. How do I select the last 5 rows in R?

How do you take every nth row in R?

Use stripe(n, from = m) to get every nth row/column starting at row/column m.

How do I select specific rows in R?

By using bracket notation on R DataFrame (data.name) we can select rows by column value, by index, by name, by condition e.t.c. You can also use the R base function subset() to get the same results. Besides these, R also provides another function dplyr::filter() to get the rows from the DataFrame.

How do I select the last 5 rows in R?

The last n rows of the data frame can be accessed by using the in-built tail() method in R. Supposedly, N is the total number of rows in the data frame, then n <=N last rows can be extracted from the structure.