In [123]:

    

using DataFrames
using Distributions
using Gadfly

srand(1)

x = rand(Distributions.Normal(0, 1), 10000)

(edges, counts) = hist(x, 100);

xmin = edges[1 : (end - 1)]
xmax = edges[2 : end]

df = DataFrame(x = (xmin + xmax) / 2, density = counts / 1000.0);


    

In [127]:

    

plot(df, x = :x, y = :density, Geom.bar)


    

    
Out[127]: