def model2(data):
result = detect_vec(data,
max_anoms=0.2,
direction='both',
period=14,
alpha=0.5)
return np.array(result['anoms'].index)
def run(period = None, longterm_period = None, link_data = None):
if period is None:
period = 24
longterm_period = period * 30 + 1
twitter_example_data = pd.read_csv(link_data)
data = twitter_example_data[twitter_example_data.columns[1]]
results = detect_vec(data, max_anoms=0.02, \
direction='both', period=period, longterm_period=longterm_period)
res_table = results['anoms']
index_ano = res_table[res_table.columns[1]].tolist()
res = []
for i in range(len(data)):
if i in index_ano:
res.append(1)
else:
res.append(0)
res = pd.DataFrame(res)
res.columns = ['ano']
result_table = pd.concat([twitter_example_data.reset_index(drop=True), res], axis=1)
return result_table
def test_both_directions_e_value_threshold_med_max(self):
results = detect_vec(self.raw_data.iloc[:, 1],
max_anoms=0.02,
direction='both',
period=1440,
threshold="med_max",
e_value=True)
eq_(len(results['anoms'].columns), 3)
eq_(len(results['anoms'].iloc[:, 1]), 6)
def test_both_directions_e_value_longterm(self):
results = detect_vec(self.raw_data.iloc[:, 1],
max_anoms=0.02,
direction='both',
period=1440,
longterm_period=1440 * 14,
e_value=True)
eq_(len(results['anoms'].columns), 3)
eq_(len(results['anoms'].iloc[:, 1]), 131)
def test_both_directions_with_plot(self):
results = detect_vec(self.raw_data.iloc[:, 1],
max_anoms=0.02,
direction='both',
period=1440,
only_last=True,
plot=False)
eq_(len(results['anoms'].columns), 2)
eq_(len(results['anoms'].iloc[:, 1]), 25)
def test_both_directions_e_value_longterm(self):
results = detect_vec(
self.raw_data.iloc[:, 1],
max_anoms=0.02,
direction="both",
period=1440,
longterm_period=1440 * 14,
e_value=True,
)
eq_(len(results["anoms"].columns), 3)
eq_(len(results["anoms"].iloc[:, 1]), 131)
def s_h_esd_algo(total_daily):
#total_daily[garage_index][day_index][hour_index]
#get the dates
dates = bdate_range(smarking_globals.start_date, periods=len(total_daily))
#print dates
data = []
hours = []
index = 0
#hard coding for one garage, sorry
#ww is a day
for ww in total_daily:
#create the hours for that day
temp_hours = bdate_range(dates[index], periods=24, freq='H')
m = 0
#ww is a day
#for each hour
for hr in ww:
hours.append(temp_hours[m])
data.append(hr)
m = m + 1
#data.append(temp)
index = index + 1
df1 = Series((v for v in data))
try:
results = detect_vec(df1, period=120, max_anoms=0.02, direction='both')
except RRuntimeError:
#there is something wrong with the data, may be not periodic
print("could not run anomaly detection due to bad data")
sys.exit(0)
temp = results['anoms']
indices = []
for index, row in temp.iterrows():
indices.append(row['timestamp'])
#now indices has all the indices of anomalies in the data.
#get the dates now
result_dates = []
for ii in indices:
result_dates.append(hours[int(ii)].date())
return result_dates
def test_both_directions_e_value_threshold_med_max(self):
results = detect_vec(
self.raw_data.iloc[:, 1], max_anoms=0.02, direction="both", period=1440, threshold="med_max", e_value=True
)
eq_(len(results["anoms"].columns), 3)
eq_(len(results["anoms"].iloc[:, 1]), 6)
def test_both_directions_with_plot(self):
results = detect_vec(
self.raw_data.iloc[:, 1], max_anoms=0.02, direction="both", period=1440, only_last=True, plot=False
)
eq_(len(results["anoms"].columns), 2)
eq_(len(results["anoms"].iloc[:, 1]), 25)
def test_check_constant_series(self):
s = pd.Series([1] * 1000)
results = detect_vec(s, period=14, direction='both', plot=False)
eq_(len(results['anoms'].columns), 2)
eq_(len(results['anoms'].iloc[:,1]), 0)
def check_error_real_time():
global time
global garage_info_occupancy
global contracts
global transients
global anomalies
#keep adding the values
line_index = 0
for i in garage_dict:
contracts_hist = []
contracts_real_time = []
transients_hist = []
transients_real_time = []
current_contract = 0.0
current_transient = 0.0
#print i
con = 0
tran = 0
url = "https://my.smarking.net/api/ds/v3/garages/" + str(
i) + "/current/occupancy?gb=User+Type"
#print url
#get the response using the url
response = requests.get(url, headers=headers)
content = response.content
#see if content was received. If nothing received, exit
if (content == ""):
#print "<p>No content received</p>"
continue
#we have collected all the data
#each datapoint is for an hour in a given day
try:
garage_info = json.loads(content)
except ValueError:
#raise ValueError("No JSON Object received, please try again.")
continue
#print garage_info
#parse the JSON-formatted line
#if value not received for some reason, add 0 to value
if "value" not in garage_info:
#did not find anything, continue to next garage
continue
for item in garage_info["value"]:
group = str(item.get("group"))
if ('Contract' in group):
current_contract = float(item.get("value"))
con = 1
if ('Transient' in group):
current_transient = float(item.get("value"))
tran = 1
#days_window din age theke period length hobe ekhon koto ghonta tar upor
# now prepare to get the historical data
#getting the closest rounded off hour
current_t = datetime.now()
next_time = current_t + timedelta(hours=1)
#skipping 11PM for now
if ((current_t.hour == 23) or (current_t.hour == 0)):
continue
period_length = current_t.hour + 1
#days_window din age theke ei period download
# we have to make sure that we received all data correctly
received_flag = 1
for ii in reversed(np.arange(1, days_window + 1)):
day = next_time - timedelta(days=ii)
pred_url = "https://my.smarking.net/api/ds/v3/garages/" + str(
i) + "/past/occupancy/from/" + str(day.year) + "-" + str(
day.month) + "-" + str(day.day) + "T00:00:00/" + str(
period_length) + "/1h?gb=User+Type"
#get the response using the url
#print pred_url
response = requests.get(pred_url, headers=headers)
content = response.content
#see if content was received. If nothing received, exit
if (content == ""):
#print "<p>No content received</p>"
received_flag = 0
break
#we have collected all the data
#each datapoint is for an hour in a given day
try:
garage_info = json.loads(content)
except ValueError:
#raise ValueError("No JSON Object received, please try again.")
received_flag = 0
break
#parse the JSON-formatted line
#if value not received for some reason, add 0 to value
if "value" not in garage_info:
#did not find anything, continue to next garage
received_flag = 0
break
con = 0
tran = 0
for item in garage_info["value"]:
group = str(item.get("group"))
#print "group ",group
if ('Contract' in group):
for jj in item.get("value"):
contracts_hist.append(jj)
con = 1
if ('Transient' in group):
for jj in item.get("value"):
transients_hist.append(jj)
tran = 1
if ((con == 0) and (tran == 0)):
#print "did not receive contract and transient"
received_flag = 0
break
#if we did not receive all data correctly, go to a different garage
if (received_flag == 0):
continue
#now contruct the data for now/ recent
pred_url = "https://my.smarking.net/api/ds/v3/garages/" + str(
i) + "/past/occupancy/from/" + str(current_t.year) + "-" + str(
current_t.month) + "-" + str(
current_t.day) + "T00:00:00/" + str(period_length -
1) + "/1h?gb=User+Type"
#get the response using the url
#print pred_url
response = requests.get(pred_url, headers=headers)
content = response.text
#see if content was received. If nothing received, exit
if (content == ""):
#print "<p>No content received</p>"
continue
#we have collected all the data
#each datapoint is for an hour in a given day
try:
garage_info = json.loads(content)
except ValueError:
#raise ValueError("No JSON Object received, please try again.")
continue
#parse the JSON-formatted line
#if value not received for some reason, add 0 to value
if "value" not in garage_info:
#did not find anything, continue to next garage
continue
con = 0
tran = 0
for item in garage_info["value"]:
group = str(item.get("group"))
#print "group ",group
if ('Contract' in group):
for jj in item.get("value"):
contracts_real_time.append(jj)
#finally append the real time data
contracts_real_time.append(current_contract)
con = 1
if ('Transient' in group):
for jj in item.get("value"):
transients_real_time.append(jj)
transients_real_time.append(current_transient)
tran = 1
if ((con == 0) and (tran == 0)):
#no data received
continue
#now form the training signal appending the history with the
#real time
training_contract = []
training_transient = []
if (con == 1):
for ii in contracts_hist:
training_contract.append(ii)
for ii in contracts_real_time:
training_contract.append(ii)
#detect anomalies and report
log_file.write(
str(i) + " running contract anomaly detection " +
str(datetime.now()) + '\n')
log_file.flush()
#not enough data for signal processing in early hours
indices = []
if ((current_t.hour == 1) or (current_t.hour == 2)
or (current_t.hour == 3) or (current_t.hour == 4)
or (current_t.hour == 5)):
indices = get_iqr_anomaly(training_contract)
else:
df1 = Series((v for v in training_contract))
try:
results = detect_vec(df1,
period=period_length,
max_anoms=0.02,
direction='both')
except RuntimeError:
#there is something wrong with the data, may be not periodic
#print "could not run detect_vec"
continue
temp = results['anoms']
for index, row in temp.iterrows():
indices.append(row['timestamp'])
anomalies = [
mm for mm in indices
if mm >= (period_length * (days_window + 1) - 2)
]
if anomalies:
#check how many times
if (anomaly_count_con[line_index] == 5):
print(i, datetime.now(), anomaly_count_con[line_index],
" Contract anomaly ", current_contract)
anomaly_count_con[line_index] = 0
else:
anomaly_count_con[
line_index] = anomaly_count_con[line_index] + 1
if (tran == 1):
for ii in transients_hist:
training_transient.append(ii)
for ii in transients_real_time:
training_transient.append(ii)
log_file.write(
str(i) + " running transient anomaly detection " +
str(datetime.now()) + '\n')
log_file.flush()
indices = []
if ((current_t.hour == 1) or (current_t.hour == 2)
or (current_t.hour == 3) or (current_t.hour == 4)
or (current_t.hour == 5)):
indices = get_iqr_anomaly(training_transient)
else:
df1 = Series((v for v in training_transient))
try:
results = detect_vec(df1,
period=period_length,
max_anoms=0.02,
direction='both')
except RuntimeError:
#there is something wrong with the data, may be not periodic
#print "could not run detect_vec"
continue
temp = results['anoms']
for index, row in temp.iterrows():
indices.append(row['timestamp'])
anomalies = [
mm for mm in indices
if mm >= (period_length * (days_window + 1) - 2)
]
if anomalies:
#check how many times
if (anomaly_count_tran[line_index] == 5):
print(i, datetime.now(), anomaly_count_tran[line_index],
" Transient anomaly ", current_transient)
anomaly_count_tran[line_index] = 0
else:
anomaly_count_tran[
line_index] = anomaly_count_tran[line_index] + 1
#else:
# print "no anomalies"
line_index = line_index + 1
threading.Timer(600, check_error_real_time).start()
