コード例 #1
0
ファイル: churnsim.py プロジェクト: guesswhat91/fight-churn
    def __init__(self, model, start, end, init_customers, growth, churn, mrr,seed):
        '''
        Creates the behavior/utility model objects, sets internal variables to prepare for simulation, and creates
        the database connection

        :param model: name of the behavior/utility model parameters
        :param start: start date for simulation
        :param end: end date for simulation
        :param init_customers: how many customers to create at start date
        :param growth: monthly customer growth rate
        :param churn: monthly customer churn rate
        :param mrr: customer MRR
        '''

        self.model_name=model
        self.start_date = start
        self.end_date = end
        self.init_customers=init_customers
        self.monthly_growth_rate = growth
        self.monthly_churn_rate = churn
        self.mrr=mrr

        self.behave_mod=GaussianBehaviorModel(self.model_name,seed)
        self.util_mod=UtilityModel(self.model_name,self.monthly_churn_rate,self.behave_mod)

        self.subscription_count = 0
        self.tmp_sub_file_name = os.path.join(tempfile.gettempdir(),'{}_tmp_sub.csv'.format(self.model_name))
        self.tmp_event_file_name=os.path.join(tempfile.gettempdir(),'{}_tmp_event.csv'.format(self.model_name))

        self.db = Postgres("postgres://%s:%s@localhost/%s" % (
        os.environ['CHURN_DB_USER'], os.environ['CHURN_DB_PASS'], os.environ['CHURN_DB']))

        self.con = post.connect( database= os.environ['CHURN_DB'],
                                 user= os.environ['CHURN_DB_USER'],
                                 password=os.environ['CHURN_DB_PASS'])
コード例 #2
0
    def __init__(self, model, start, end, init_customers, seed):
        """
        Creates the behavior/utility model objects, sets internal variables to prepare for simulation, and creates
        the database connection

        :param model: name of the behavior/utility model parameters
        :param start: start date for simulation
        :param end: end date for simulation
        :param init_customers: how many customers to create at start date
        """

        self.model_name = model
        self.start_date = start
        self.end_date = end
        self.init_customers = init_customers
        self.monthly_growth_rate = 0.12

        self.util_mod = UtilityModel(self.model_name)
        behavior_versions = glob.glob("../conf/" + self.model_name + "_*.csv")
        self.behavior_models = {}
        self.model_list = []
        for b in behavior_versions:
            version = b[(b.find(self.model_name) + len(self.model_name) +
                         1):-4]
            if version in ("utility", "population", "country"):
                continue
            behave_mod = FatTailledBehaviorModel(self.model_name, seed,
                                                 version)
            self.behavior_models[behave_mod.version] = behave_mod
            self.model_list.append(behave_mod)

        if len(self.behavior_models) > 1:
            self.population_percents = pd.read_csv(
                "../conf/" + self.model_name + "_population.csv", index_col=0)
        self.util_mod.setChurnScale(self.behavior_models,
                                    self.population_percents)
        self.population_picker = np.cumsum(self.population_percents)

        self.country_lookup = pd.read_csv("../conf/" + self.model_name +
                                          "_country.csv")

        self.subscription_count = 0
        self.tmp_sub_file_name = os.path.join(
            tempfile.gettempdir(), "{}_tmp_sub.csv".format(self.model_name))
        self.tmp_event_file_name = os.path.join(
            tempfile.gettempdir(), "{}_tmp_event.csv".format(self.model_name))

        self.db = Postgres("postgres://%s:%s@localhost/%s" % (
            os.environ["CHURN_DB_USER"],
            os.environ["CHURN_DB_PASS"],
            os.environ["CHURN_DB"],
        ))

        self.con = post.connect(
            database=os.environ["CHURN_DB"],
            user=os.environ["CHURN_DB_USER"],
            password=os.environ["CHURN_DB_PASS"],
        )