/usr/share/pyshared/Bio/HMM/Utilities.py is in python-biopython 1.58-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | """Generic functions which are useful for working with HMMs.
This just collects general functions which you might like to use in
dealing with HMMs.
"""
def pretty_print_prediction(emissions, real_state, predicted_state,
emission_title = "Emissions",
real_title = "Real State",
predicted_title = "Predicted State",
line_width = 75):
"""Print out a state sequence prediction in a nice manner.
Arguments:
o emissions -- The sequence of emissions of the sequence you are
dealing with.
o real_state -- The actual state path that generated the emissions.
o predicted_state -- A state path predicted by some kind of HMM model.
"""
# calculate the length of the titles and sequences
title_length = max(len(emission_title), len(real_title),
len(predicted_title)) + 1
seq_length = line_width - title_length
# set up the titles so they'll print right
emission_title = emission_title.ljust(title_length)
real_title = real_title.ljust(title_length)
predicted_title = predicted_title.ljust(title_length)
cur_position = 0
# while we still have more than seq_length characters to print
while 1:
if (cur_position + seq_length) < len(emissions):
extension = seq_length
else:
extension = len(emissions) - cur_position
print "%s%s" % (emission_title,
emissions[cur_position:cur_position + seq_length])
print "%s%s" % (real_title,
real_state[cur_position:cur_position + seq_length])
print "%s%s\n" % (predicted_title,
predicted_state[cur_position:
cur_position + seq_length])
if (len(emissions) < (cur_position + seq_length)):
break
cur_position += seq_length
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