Exemplo n.º 1
0
def load_data(root, box):
    
    toret = []
    dtype = [('r', float), ('corr', float), ('error', float)]
    for kind in ['mono', 'quad']:
        data = np.loadtxt(os.path.join(root, '%s_Box%s_rescale.dat' %(kind, box)))
        C = np.loadtxt(os.path.join(root, 'covar_%s.dat' %kind)).reshape((data.shape[0], -1))
        
        errs = np.diag(C)**0.5
        data = np.concatenate([data, errs[:,None]], axis=1)
        meta = {'edges' : make_edges(data[:,0])}
        corr = Corr1dDataSet.from_nbkit(data, meta, columns=['r', 'corr', 'error'])
        toret.append(corr)
        
    return toret
Exemplo n.º 2
0
def load_correlation(filename, mode, usecols=[], mapcols={}, **kwargs):
    """
    Load a 1D or 2D correlation measurement and return a `DataSet`
    """
    if mode not in ['1d', '2d']:
        raise ValueError("`mode` must be on of '1d' or '2d'")

    if mode == '1d':
        toret = Corr1dDataSet.from_nbkit(*files.Read1DPlainText(filename), **kwargs)
    else:
        toret = Corr2dDataSet.from_nbkit(*files.Read2DPlainText(filename), **kwargs)
    
    # rename any variables
    if len(mapcols):
        for old_name in mapcols:
            toret.rename_variable(old_name, mapcols[old_name])
    
    # only return certain variables
    if len(usecols):
        toret = toret[usecols]

    return toret