In [21]:

    

using DataFrames
using Distributions
using Gadfly

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

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

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

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


    

In [22]:

    

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


    

    
Out[22]:

In [23]:

    

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


    

    
Out[23]: