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improve output, var names

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This commit is contained in:
Bryce Allen
2015-03-13 12:36:40 -05:00
parent aa148ce21a
commit 45ad33d7cd
1 changed files with 6 additions and 6 deletions
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12
mhprob.py
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@@ -109,17 +109,17 @@ if __name__ == '__main__':
sys.exit(1)
total_p = 0.0
expected_v = 0.0
expected_attempts = 0.0
for reward_count in xrange(min_rewards, max_rewards + 1):
p = _reward_count_p(reward_count, min_rewards, max_rewards,
extend_percent)
expected_v += p * reward_count
expected_attempts += p * reward_count
# probability of getting @reward_count rewards that could be the
# desired item
print "P(C = %d) = %0.4f" % (reward_count, p)
total_p += p
# expected value for number of rewards that could be the desired item
print "E(C) = %0.2f" % expected_v
print "E(C) = %0.2f" % expected_attempts
# math check, make sure all possibilities add up to 1, allowing for
# some floating point precision loss.
@@ -127,7 +127,7 @@ if __name__ == '__main__':
p_at_least_one = quest_reward_p(reward_percent, min_rewards, max_rewards,
extend_percent)
expected = expected_v * reward_percent / 100.0
expected = expected_attempts * reward_percent / 100.0
print "P(N > 0) =", p_at_least_one
print "E(N) =", expected
print "P(N > 0) = %0.2f%%" % p_at_least_one
print "E(N) = %0.4f" % expected