def _get_id_stats(glyphs, k=None):
import stats
if len(glyphs) < 3:
return (len(glyphs), 1.0, 1.0, 1.0)
if k is None:
k = knncore.kNN()
distances = k.unique_distances(glyphs)
return (len(glyphs), stats.lmean(distances), stats.lstdev(distances), stats.lmedian(distances))
def get_glyphs_stats(glyphs):
k = knncore.kNN()
klasses = {}
for x in glyphs:
id = x.get_main_id()
if not klasses.has_key(id):
klasses[id] = []
klasses[id].append(x)
stats = {}
for x in klasses.iteritems():
stats[x[0]] = _get_id_stats(x[1], k)
return stats
