DataFrame in Julia is similar to Dict{String, Array}.
using DataFrames
df = DataFrame(
Column1 = ["Value1","Value2","Value3" ],
Column2 = [ 1, 2, 3 ],
Column3 = [ 1.0, 2.0, 3.0 ]
)
id | Column1 | Column2 | Column3 |
---|---|---|---|
String | Int64 | Float64 | |
1 | Value1 | 1 | 1.0. |
2 | Value2 | 2 | 2.0 |
3 | Value3 | 3 | 3.0 |
max_Column2 = maximum( df.Column3[1:2] ) # get only elements from 1 to 2
output: 2.0