Hi there,
You're looking for a dataframe and not a matrix. A dataframe can have different column types. See the example below.
m <-
matrix(
c(1:10),
letters[1:10]
)
#> Error in matrix(c(1:10), letters[1:10]): non-numeric matrix extent
df <-
data.frame(
c(1:10),
letters[1:10]
)
Created on 2021-09-15 by the reprex package (v2.0.0)