Search notes:
R function: cbind
Each argument to cbind becomes a column.
# cbind stands for «column-bind». See also -> rbind
a <- 100:104
b <- 10 + 5*0:4
c <- c(17, 13, 22, 21, 18)
mat <- cbind(a, b, c)
mat
# a b c
# [1,] 100 10 17
# [2,] 101 15 13
# [3,] 102 20 22
# [4,] 103 25 21
# [5,] 104 30 18
df_1 <- data.frame (
col_1 = c("Foo", "Bar", "Baz"),
col_2 = c( 11 , 22 , 33 ),
col_3 = c("abc", "def", "ghi") )
df_2 <- data.frame (
col_a = c("one", "two", "three"),
col_b = c(" X ", " Y ", " Z " ) )
# combine by columns
df_3 <- cbind(df_1, df_2)
df_3
# col_1 col_2 col_3 col_a col_b
# 1 Foo 11 abc one X
# 2 Bar 22 def two Y
# 3 Baz 33 ghi three Z