Here is an example to help you
julia> using DataFrames, Plots;
julia> df = DataFrame(shoetype = ["Sneaker", "Boot", "High-heels"], price = [10, 20, 15]);
julia> bar(df.shoetype, df.price);
It produces the following graph:
Here is an example to help you
julia> using DataFrames, Plots;
julia> df = DataFrame(shoetype = ["Sneaker", "Boot", "High-heels"], price = [10, 20, 15]);
julia> bar(df.shoetype, df.price);
It produces the following graph: