def __init__(self, path, tally, precision):
"""
Constructor
"""
self.__path = path
self.__precision = precision
self.__func = LinearRegression(tally, True)
def append(self, datetime: LocalizedDatetime, sample: PathDict):
# initialise...
if not self.__initialised:
for node in self.__nodes:
try:
paths = sample.paths(node)
except KeyError:
continue
except IndexError as ex:
paths = None
print("sample_aggregate: %s: IndexError: %s" % (node, ex), file=sys.stderr)
sys.stderr.flush()
exit(1)
for path in paths:
if path == 'rec':
continue
self.__precisions[path] = Precision()
self.__regressions[path] = LinearRegression() if Datum.is_numeric(sample.node(path)) else \
CategoricalRegression()
self.__initialised = True
# values...
for path in self.__precisions.keys():
try:
value = sample.node(path)
except KeyError:
continue
if value is None:
continue
try:
self.__precisions[path].widen(value)
self.__regressions[path].append(datetime, value)
except InvalidOperation:
continue
def __init__(self, path, tally):
"""
Constructor
"""
self.__path = path
self.__func = LinearRegression(tally, False)
j1 = '{"rec": "2016-10-14T14:19:15.677+01:00", "val": {"opc_n2": {"pm1": 1.5, "pm2p5": 2.7, "pm10": 3.3, ' \
'"per": 5.0, "bin": [95, 30, 11, 1, 3, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0], ' \
'"mtf1": 31, "mtf3": 29, "mtf5": 0, "mtf7": 0}}}'
j2 = '{"rec": "2016-10-14T14:19:20.680+01:00", "val": {"opc_n2": {"pm1": 1.8, "pm2p5": 4.3, "pm10": 6.9, ' \
'"per": 5.0, "bin": [76, 36, 19, 6, 1, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0], ' \
'"mtf1": 26, "mtf3": 35, "mtf5": 26, "mtf7": 35}}}'
j3 = '{"rec": "2016-10-14T14:19:25.680+01:00", "val": {"opc_n2": {"pm1": 0.9, "pm2p5": 1.7, "pm10": 22.4, ' \
'"per": 5.0, "bin": [62, 23, 8, 2, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0], ' \
'"mtf1": 20, "mtf3": 24, "mtf5": 0, "mtf7": 0}}}'
# --------------------------------------------------------------------------------------------------------------------
lr = LinearRegression()
print(lr)
print("-")
d1 = PathDict.construct_from_jstr(j1)
print(d1)
print("-")
rec = LocalizedDatetime.construct_from_iso8601(d1.node('rec'))
val = d1.node('val.opc_n2.pm10')
lr.append(rec, val)
print(lr)
print("-")
d2 = PathDict.construct_from_jstr(j2)