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main.py
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main.py
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#! /usr/bin/env python3
# Author:
# Khoi Doan
# Linh Hoang
# Sam Huang
# Duong Nguyen
import argparse
import node
import tree
from dictionary import *
from node import Node
from math import sqrt
import time
start_time = time.time()
#parsing option from users
parser = argparse.ArgumentParser(description='Please give mr.weather a needed information')
parser.add_argument('query', help='the query node')
parser.add_argument('iteration', type = int, help='the number of iteration run')
parser.add_argument('observed', nargs=argparse.REMAINDER,help='the observed node')
#parser.add_argument('observed', metavar='N', nargs='+',help='the observed node')
args = parser.parse_args()
queryList = []
queryCondition = []
query = ''
condition = ''
take = 0
for i in args.query:
if i == '=':
take = 1
else:
if take:
condition +=i
else:
query += i
query = query.lower()
condition = condition.lower()
queryList.append(query)
queryCondition.append(condition)
#print(queryList)
#print(queryCondition)
observedList = []
observedCondition = []
query = ''
condition = ''
take = 0
for i in range(0,len(args.observed)):
for j in args.observed[i]:
if j == '=':
take = 1
else:
if take:
condition +=j
else:
query += j
query = query.lower()
condition = condition.lower()
observedList.append(query)
observedCondition.append(condition)
query = ''
condition = ''
take = 0
#print(observedList)
#print(observedCondition)
countobserved = 0
countquery = 0
node = Node(None,None,None,None,None)
for i in range(0, args.iteration):
isobserved = True
testtree = tree.createTree()
testtree.startTree()
for node in testtree.nodes:
name = node.name
if name in observedList:
if observedCondition[observedList.index(name)] != node.status:
isobserved = False
if isobserved:
countobserved += 1
for node in testtree.nodes:
if node.name in queryList:
name = node.name
if queryCondition[queryList.index(name)] == node.status:
countquery += 1
print("Total number of samples: ", str(args.iteration))
print("Number of non-rejected samples: ", str(countobserved))
if (countobserved != 0):
prob = countquery/countobserved
print("Probability of the queried node: " + str(prob))
sd = sqrt(prob*(1-prob) )
print("Standard deviation: " + str(sd ))
print("95% confidence interval: " + str(prob) + " \u00B1 " + str(2*sd/sqrt(countobserved)))
else:
print("No node with observed condition found.")
print("Time take to run: " + str(time.time() - start_time) + " s")
# print(dictSnowTrue)
# class Node:
# def __init__(self, initial, condition):
# for i in initial:
# if i == '=':
# print('noob')