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create_dataset.py
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create_dataset.py
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import argparse
import numpy as np
import pandas as pd
from bashplotlib.histogram import plot_hist
from scipy.stats import gamma, beta, norm, randint, bernoulli
from eemeter.location import zipcode_to_station
from eemeter.weather import TMY3WeatherSource
from eemeter.weather import GSODWeatherSource
from eemeter.models.temperature_sensitivity import AverageDailyTemperatureSensitivityModel
from eemeter.meter import AnnualizedUsageMeter
from eemeter.location import Location
from eemeter.generator import generate_monthly_billing_datetimes
from eemeter.evaluation import Period
from eemeter.project import Project
from eemeter.consumption import ConsumptionData
from datetime import datetime, date, timedelta
import uuid
try:
import configparser
except ImportError: # python 2
from backports import configparser
TEMPERATURE_UNIT_STR = "degF"
BINCOUNT = 79
def plot_gamma(k, theta):
sample = gamma.rvs(k, scale=theta, size=10000)
plot_hist(sample, bincount=BINCOUNT, height=10, xlab=True)
def plot_beta(a, b, max=1.0):
sample = beta.rvs(a, b, size=10000) * max
plot_hist(sample, bincount=BINCOUNT, height=10, xlab=True)
def plot_norm(mean, variation):
sample = norm.rvs(mean, variation, size=10000)
plot_hist(sample, bincount=BINCOUNT, height=10, xlab=True)
def get_weather_sources(station):
weather_source = GSODWeatherSource(station, 2007, 2015)
weather_normal_source = TMY3WeatherSource(station)
if weather_source.data == {} or weather_normal_source.data == {}:
message = "Insufficient weather data for station {}. Please choose " \
"a different weather station (by selecting a different " \
"zipcode).".format(station)
return weather_source, weather_normal_source
def find_best_params(usage_pre_retrofit_gas, usage_pre_retrofit_electricity,
usage_post_retrofit_gas, usage_post_retrofit_electricity,
weather_normal_source):
model_e = AverageDailyTemperatureSensitivityModel(heating=True, cooling=True)
model_g = AverageDailyTemperatureSensitivityModel(heating=True, cooling=False)
# find target model params
start_params_e = model_e.param_type({
'base_daily_consumption': usage_pre_retrofit_electricity / 500,
'heating_balance_temperature': 62,
'heating_slope': usage_pre_retrofit_electricity / 6000,
'cooling_balance_temperature': 68,
'cooling_slope': usage_pre_retrofit_electricity / 6000,
})
start_params_g = model_g.param_type({
'base_daily_consumption': usage_pre_retrofit_gas / 700,
'heating_balance_temperature': 62,
'heating_slope': usage_pre_retrofit_gas / 6000,
})
# params and scale factors
params_to_change_e = [
('base_daily_consumption', 2),
('heating_slope', .3),
('cooling_slope', .3)]
params_to_change_g = [
('base_daily_consumption', 2),
('heating_slope', .3)]
params_e_pre, ann_usage_e_pre = find_best_annualized_usage_params(
usage_pre_retrofit_electricity, model_e, start_params_e, params_to_change_e, weather_normal_source)
params_e_post, ann_usage_e_post = find_best_annualized_usage_params(
usage_post_retrofit_electricity, model_e, params_e_pre, params_to_change_e, weather_normal_source)
params_g_pre, ann_usage_g_pre = find_best_annualized_usage_params(
usage_pre_retrofit_gas, model_g, start_params_g, params_to_change_g, weather_normal_source)
params_g_post, ann_usage_g_post = find_best_annualized_usage_params(
usage_post_retrofit_gas, model_g, params_g_pre, params_to_change_g, weather_normal_source)
return params_e_pre, params_e_post, params_g_pre, params_g_post, \
ann_usage_e_pre, ann_usage_e_post, ann_usage_g_pre, ann_usage_g_post
def find_best_annualized_usage_params(target_annualized_usage, model,
start_params, params_to_change, weather_normal_source, n_guesses=100):
best_params = start_params
meter = AnnualizedUsageMeter(model=model, temperature_unit_str=TEMPERATURE_UNIT_STR)
best_result = meter.evaluate_raw(model_params=best_params, weather_normal_source=weather_normal_source)
best_ann_usage = best_result["annualized_usage"][0]
for n in range(n_guesses):
resolution = abs((target_annualized_usage - best_ann_usage) / target_annualized_usage)
param_dict = best_params.to_dict()
for param_name,scale_factor in params_to_change:
current_value = param_dict[param_name]
current_value = norm.rvs(param_dict[param_name], resolution * scale_factor)
while current_value < 0:
current_value = norm.rvs(param_dict[param_name], resolution * scale_factor)
param_dict[param_name] = current_value
model_params = model.param_type(param_dict)
result = meter.evaluate_raw(model_params=model_params, weather_normal_source=weather_normal_source)
ann_usage = result["annualized_usage"][0]
if abs(target_annualized_usage - ann_usage) < abs(target_annualized_usage - best_ann_usage):
diff = abs(target_annualized_usage - best_ann_usage)
best_params = model_params
best_ann_usage = ann_usage
return best_params, best_ann_usage
def create_project(params_e_pre, params_e_post, params_g_pre, params_g_post,
baseline_period_start_date, baseline_period_end_date,
reporting_period_start_date, reporting_period_end_date,
has_electricity, has_gas, weather_source, zipcode):
model_e = AverageDailyTemperatureSensitivityModel(heating=True, cooling=True)
model_g = AverageDailyTemperatureSensitivityModel(heating=True, cooling=False)
# generate consumption
baseline_period = Period(baseline_period_start_date, reporting_period_start_date)
datetimes_pre = generate_monthly_billing_datetimes(baseline_period, dist=randint(29,31))
reporting_period = Period(datetimes_pre[-1], reporting_period_end_date)
datetimes_post = generate_monthly_billing_datetimes(reporting_period, dist=randint(29,31))
location = Location(zipcode=zipcode)
baseline_period = Period(baseline_period_start_date, baseline_period_end_date)
reporting_period = Period(reporting_period_start_date, reporting_period_end_date)
cds = []
if has_electricity:
cd_e = generate_consumption_records(model_e, params_e_pre, params_e_post, datetimes_pre, datetimes_post, "electricity", "kWh", weather_source)
cds.append(cd_e)
if has_gas:
cd_g = generate_consumption_records(model_g, params_g_pre, params_g_post, datetimes_pre, datetimes_post, "natural_gas", "therm", weather_source)
cds.append(cd_g)
return Project(location, cds, baseline_period, reporting_period)
def generate_consumption_records(model, params_pre, params_post, datetimes_pre, datetimes_post, fuel_type, energy_unit, weather_source):
datetimes = datetimes_pre[:-1] + datetimes_post
records = [{"start": start, "end": end, "value": np.nan}
for start, end in zip(datetimes, datetimes[1:])]
cd = ConsumptionData(records, fuel_type, energy_unit, record_type="arbitrary")
periods = cd.periods()
periods_pre = periods[:len(datetimes_pre[:-1])]
periods_post = periods[len(datetimes_pre[:-1]):]
period_pre_daily_temps = weather_source.daily_temperatures(periods_pre, TEMPERATURE_UNIT_STR)
period_post_daily_temps = weather_source.daily_temperatures(periods_post, TEMPERATURE_UNIT_STR)
period_pre_average_daily_usages = model.transform(period_pre_daily_temps, params_pre)
period_post_average_daily_usages = model.transform(period_post_daily_temps, params_post)
daily_noise_dist = None
for average_daily_usage, period in zip(period_pre_average_daily_usages, periods_pre):
n_days = period.timedelta.days
if daily_noise_dist is not None:
average_daily_usage += np.mean(daily_noise_dist.rvs(n_days))
cd.data[period.start] = average_daily_usage * n_days
for average_daily_usage, period in zip(period_post_average_daily_usages, periods_post):
n_days = period.timedelta.days
if daily_noise_dist is not None:
average_daily_usage += np.mean(daily_noise_dist.rvs(n_days))
cd.data[period.start] = average_daily_usage * n_days
return cd
def write_projects_to_csv(projects, project_csv, consumption_csv):
project_rows = []
consumption_rows = []
for project in projects:
proj = project["project"]
project_id = uuid.uuid4()
project_rows.append({
"project_id": project_id,
"baseline_period_start": proj.baseline_period.start,
"baseline_period_end": proj.baseline_period.end,
"reporting_period_start": proj.reporting_period.start,
"reporting_period_end": proj.reporting_period.end,
"latitude": proj.location.lat + (norm.rvs() * 0.01),
"longitude": proj.location.lng + (norm.rvs() * 0.01),
"zipcode": proj.location.zipcode,
"weather_station": proj.location.station,
"predicted_electricity_savings": project["predicted_electricity_savings"],
"predicted_natural_gas_savings": project["predicted_natural_gas_savings"],
"project_cost": project["project_cost"],
})
for consumption_data in proj.consumption:
for record in consumption_data.records():
consumption_rows.append({
"start": datetime.strftime(record["start"], "%Y-%m-%d"),
"end": datetime.strftime(record["end"], "%Y-%m-%d"),
"value": record["value"],
"unit_name": consumption_data.unit_name,
"fuel_type": consumption_data.fuel_type,
"project_id": project_id,
})
project_df = pd.DataFrame(project_rows)
consumption_df = pd.DataFrame(consumption_rows)
project_df.to_csv(project_csv, index=False)
consumption_df.to_csv(consumption_csv, index=False)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("data_config", type=str, help="Dataset configuration")
parser.add_argument("project_csv", type=str, help="Project CSV location")
parser.add_argument("consumption_csv", type=str, help="Consupmtion CSV location")
parser.add_argument('--show-plots', action='store_true')
args = parser.parse_args()
data_config = configparser.ConfigParser()
data_config.read(args.data_config)
for section_name in data_config.sections():
section = data_config[section_name]
zipcode = section["zipcode"]
station = zipcode_to_station(zipcode)
n_projects = int(section["n_projects"])
project_cost_k = float(section["project_cost_k"])
project_cost_theta = float(section["project_cost_theta"])
total_usage_pre_retrofit_k = float(section["total_usage_pre_retrofit_k"])
total_usage_pre_retrofit_theta = float(section["total_usage_pre_retrofit_theta"])
proportion_total_usage_pre_retrofit_gas_alpha = float(section["proportion_total_usage_pre_retrofit_gas_alpha"])
proportion_total_usage_pre_retrofit_gas_beta = float(section["proportion_total_usage_pre_retrofit_gas_beta"])
proportion_total_savings_gas_alpha = float(section["proportion_total_savings_gas_alpha"])
proportion_total_savings_gas_beta = float(section["proportion_total_savings_gas_beta"])
total_proportion_savings_mean = float(section["total_proportion_savings_mean"])
total_proportion_savings_variation = float(section["total_proportion_savings_variation"])
realization_rate_gas_k = float(section["realization_rate_gas_k"])
realization_rate_gas_theta = float(section["realization_rate_gas_theta"])
realization_rate_electricity_k = float(section["realization_rate_electricity_k"])
realization_rate_electricity_theta = float(section["realization_rate_electricity_theta"])
baseline_period_days_max = float(section["baseline_period_days_max"])
baseline_period_days_alpha = float(section["baseline_period_days_alpha"])
baseline_period_days_beta = float(section["baseline_period_days_beta"])
project_length_days_max = float(section["project_length_days_max"])
project_length_days_alpha = float(section["project_length_days_alpha"])
project_length_days_beta = float(section["project_length_days_beta"])
reporting_period_days_max = float(section["reporting_period_days_max"])
reporting_period_days_alpha = float(section["reporting_period_days_alpha"])
reporting_period_days_beta = float(section["reporting_period_days_beta"])
has_electricity_p = float(section["has_electricity_p"])
has_gas_p = float(section["has_gas_p"])
if args.show_plots:
print("\nProject cost")
plot_gamma(project_cost_k, project_cost_theta)
print("\nTotal Usage Pre-retrofit")
plot_gamma(total_usage_pre_retrofit_k, total_usage_pre_retrofit_theta)
print("\nProportion Total Usage Pre-retrofit Gas")
plot_beta(proportion_total_usage_pre_retrofit_gas_alpha, proportion_total_usage_pre_retrofit_gas_beta)
print("\nProportion Total Savings Gas")
plot_beta(proportion_total_savings_gas_alpha, proportion_total_savings_gas_beta)
print("\nTotal Proportion Savings")
plot_norm(total_proportion_savings_mean, total_proportion_savings_variation)
print("\nRealization rate - Gas")
plot_gamma(realization_rate_gas_k, realization_rate_gas_theta)
print("\nRealization rate - Electricity")
plot_gamma(realization_rate_electricity_k, realization_rate_electricity_theta)
print("\nBaseline Period Days")
plot_beta(baseline_period_days_alpha, baseline_period_days_beta, baseline_period_days_max)
print("\nProject Length Days")
plot_beta(project_length_days_alpha, project_length_days_beta, project_length_days_max)
print("\nReporting Period Days")
plot_beta(reporting_period_days_alpha, reporting_period_days_beta, reporting_period_days_max)
weather_source, weather_normal_source = get_weather_sources(station)
project_cost = gamma.rvs(
project_cost_k,
scale=project_cost_theta, size=n_projects)
total_usage_pre_retrofit = gamma.rvs(
total_usage_pre_retrofit_k,
scale=total_usage_pre_retrofit_theta, size=n_projects)
proportion_total_usage_pre_retrofit_gas = beta.rvs(
proportion_total_usage_pre_retrofit_gas_alpha,
proportion_total_usage_pre_retrofit_gas_beta, size=n_projects)
proportion_total_savings_gas = beta.rvs(
proportion_total_savings_gas_alpha,
proportion_total_savings_gas_beta, size=n_projects)
total_proportion_savings = norm.rvs(
total_proportion_savings_mean,
total_proportion_savings_variation, size=n_projects)
realization_rate_gas = gamma.rvs(
realization_rate_gas_k,
scale=realization_rate_gas_theta, size=n_projects)
realization_rate_electricity = gamma.rvs(
realization_rate_electricity_k,
scale=realization_rate_electricity_theta, size=n_projects)
reporting_period_days = beta.rvs(
reporting_period_days_alpha,
reporting_period_days_beta, size=n_projects) * reporting_period_days_max
baseline_period_days = beta.rvs(
baseline_period_days_alpha,
baseline_period_days_beta, size=n_projects) * baseline_period_days_max
project_length_days = beta.rvs(
project_length_days_alpha,
project_length_days_beta, size=n_projects) * project_length_days_max
has_electricity = bernoulli.rvs(
has_electricity_p, size=n_projects)
has_gas = bernoulli.rvs(
has_gas_p, size=n_projects)
proportion_total_usage_pre_retrofit_electricity = 1 - proportion_total_usage_pre_retrofit_gas
proportion_total_savings_electricity = 1 - proportion_total_savings_gas
usage_pre_retrofit_gas = total_usage_pre_retrofit * proportion_total_usage_pre_retrofit_gas
usage_pre_retrofit_electricity = total_usage_pre_retrofit * proportion_total_usage_pre_retrofit_electricity
total_usage_post_retrofit = total_usage_pre_retrofit * total_proportion_savings
usage_post_retrofit_electricity = (proportion_total_savings_electricity * total_usage_post_retrofit) \
+ (proportion_total_savings_gas * usage_pre_retrofit_electricity) \
- (proportion_total_savings_electricity * usage_pre_retrofit_gas)
usage_post_retrofit_gas = total_usage_post_retrofit - usage_post_retrofit_electricity
usage_pre_retrofit_gas = usage_pre_retrofit_gas * 0.034129
usage_post_retrofit_gas = usage_post_retrofit_gas * 0.034129
projects = []
for i in range(n_projects):
params_e_pre, params_e_post, params_g_pre, params_g_post, \
ann_usage_e_pre, ann_usage_e_post, ann_usage_g_pre, ann_usage_g_post = \
find_best_params(
usage_pre_retrofit_gas[i], usage_pre_retrofit_electricity[i],
usage_post_retrofit_gas[i], usage_post_retrofit_electricity[i],
weather_normal_source)
print("Annualized Usage G:(pre={}, post={}), E:(pre={}, post={})".format(
ann_usage_g_pre, ann_usage_g_post, ann_usage_e_pre, ann_usage_e_post))
today = date.today()
reporting_period_end_date = datetime(today.year, today.month, today.day)
reporting_period_start_date = reporting_period_end_date - timedelta(days=round(reporting_period_days[i]))
baseline_period_end_date = reporting_period_start_date - timedelta(days=round(project_length_days[i]))
baseline_period_start_date = baseline_period_end_date - timedelta(days=round(baseline_period_days[i]))
project = create_project(
params_e_pre,
params_e_post,
params_g_pre,
params_g_post,
baseline_period_start_date,
baseline_period_end_date,
reporting_period_start_date,
reporting_period_end_date,
has_electricity[i],
has_gas[i],
weather_source,
zipcode)
project_data = {
"project": project,
"project_cost": project_cost[i],
"predicted_electricity_savings": "",
"predicted_natural_gas_savings": "",
}
if has_electricity[i]:
project_data["predicted_electricity_savings"] = (ann_usage_e_pre - ann_usage_e_post) / realization_rate_electricity[i]
if has_gas[i]:
project_data["predicted_natural_gas_savings"] = (ann_usage_g_pre - ann_usage_g_post) / realization_rate_gas[i]
projects.append(project_data)
write_projects_to_csv(projects, args.project_csv, args.consumption_csv)