insertRows: Inserts a matrix into another matrix.

In rowr: Row-Based Functions for R Objects

Description

Inserts a matrix or data frame into another matrix or data frame. The new rows are placed together at the row index specified.

Usage

insertRows(existing, insert, r)

Arguments

existing	table to insert into
insert	rows to insert
r	index at which to insert

Examples

df1<-data.frame(a=c(1,2,3),b=c(1,2,3),c=c(1,2,3))
insertRows(df1,data.frame(list('a','a','a')),5)
insertRows(df1,data.frame(list('a','a','a')),4)
insertRows(df1,data.frame(list('a','a','a')),3)
insertRows(df1,data.frame(list('a','a','a')),2)
insertRows(df1,data.frame(list('a','a','a')),1)
insertRows(df1,df1,3)

Example output

  a b c
1 1 1 1
2 2 2 2
3 3 3 3
4 a a a
  a b c
1 1 1 1
2 2 2 2
3 3 3 3
4 a a a
  a b c
1 1 1 1
2 2 2 2
4 a a a
3 3 3 3
  a b c
1 1 1 1
4 a a a
2 2 2 2
3 3 3 3
  a b c
4 a a a
1 1 1 1
2 2 2 2
3 3 3 3
  a b c
1 1 1 1
2 2 2 2
4 1 1 1
5 2 2 2
6 3 3 3
3 3 3 3

rowr documentation built on May 1, 2019, 11:29 p.m.