Ejemplo n.º 1
0
def load_model_with_all_samples(depends_on, includes, burn):
    """Create a new model then load all the existing samples."""

    paths = make_paths(depends_on, includes, 0)
    sample_files = [f for f in ld(paths['model_dir']) if 'samples_' in f]

    m = regression_model(depends_on, includes, True)
    m.sample(3)
    stochs = m.get_stochastics()

    for node in stochs.node:

        node.trace._trace[0] = np.array([])

    for f in sample_files:

        samples = pd.read_csv(pj(paths['model_dir'], f))

        for node in stochs.node:

            name = node.__name__
            print node, name
            s1 = copy(node.trace._trace[0])
            s2 = samples[name].values[burn:]
            node.trace._trace[0] = np.concatenate([s1, s2])

    m.gen_stats()

    return m
Ejemplo n.º 2
0
def run(args):

    start = time()
    depends_on, includes, it = args2lists(args)
    model_paths = make_paths(depends_on, includes, it)
    sys.stdout = open(model_paths['log_path'], 'w')
    m = regression_model(depends_on, includes)
    m.sample(8000)
    m.get_traces().to_csv(model_paths['samples_path'])
    print 'all done in %.1f seconds' % (time() - start)