trsinput = annotationdata.io.read(trs)
if tieridx < 0 or tieridx > trsinput.GetSize():
print 'Error: Bad tier number.\n'
sys.exit(1)
tier = trsinput[tieridx]
if tiername is None:
tiername = tier.GetName().replace (' ','_')
tiers.append( tier )
# ----------------------------------------------------------------------------
# Estimates stats
t = TierStats( tiers )
t.set_ngram( ngram )
ds = t.ds()
title = [ "filename", "tier", "annotation label" ]
stats = {} # used just to get the list of keys
if 0 in mode or 1 in mode:
occurrences = ds.len()
title.append('occurrences')
stats = occurrences
if 0 in mode or 2 in mode:
total = ds.total()
title.append('total duration')
if not stats: stats = total
if 0 in mode or 3 in mode:
mean = ds.mean()
title.append('mean duration')
