本文整理匯總了Python中nupic.encoders.date.DateEncoder.getBucketIndices方法的典型用法代碼示例。如果您正苦於以下問題：Python DateEncoder.getBucketIndices方法的具體用法？Python DateEncoder.getBucketIndices怎麽用？Python DateEncoder.getBucketIndices使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類nupic.encoders.date.DateEncoder的用法示例。
在下文中一共展示了DateEncoder.getBucketIndices方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: DateEncoderTest
# 需要導入模塊: from nupic.encoders.date import DateEncoder [as 別名]
# 或者: from nupic.encoders.date.DateEncoder import getBucketIndices [as 別名]
class DateEncoderTest(unittest.TestCase):
"""Unit tests for DateEncoder class"""
def setUp(self):
# 3 bits for season, 1 bit for day of week, 1 for weekend, 5 for time of
# day
# use of forced is not recommended, used here for readability, see scalar.py
self._e = DateEncoder(season=3, dayOfWeek=1, weekend=1, timeOfDay=5)
# in the middle of fall, Thursday, not a weekend, afternoon - 4th Nov,
# 2010, 14:55
self._d = datetime.datetime(2010, 11, 4, 14, 55)
self._bits = self._e.encode(self._d)
# season is aaabbbcccddd (1 bit/month) # TODO should be <<3?
# should be 000000000111 (centered on month 11 - Nov)
seasonExpected = [0,0,0,0,0,0,0,0,0,1,1,1]
# week is MTWTFSS
# contrary to localtime documentation, Monday = 0 (for python
# datetime.datetime.timetuple()
dayOfWeekExpected = [0,0,0,1,0,0,0]
# not a weekend, so it should be "False"
weekendExpected = [1, 0]
# time of day has radius of 4 hours and w of 5 so each bit = 240/5
# min = 48min 14:55 is minute 14*60 + 55 = 895; 895/48 = bit 18.6
# should be 30 bits total (30 * 48 minutes = 24 hours)
timeOfDayExpected = (
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0])
self._expected = numpy.array(seasonExpected +
dayOfWeekExpected +
weekendExpected +
timeOfDayExpected, dtype=defaultDtype)
def testDateEncoder(self):
"""creating date encoder instance"""
self.assertSequenceEqual(
self._e.getDescription(),
[("season", 0),
("day of week", 12),
("weekend", 19), ("time of day", 21)])
self.assertTrue(numpy.array_equal(self._expected, self._bits))
def testMissingValues(self):
"""missing values"""
mvOutput = self._e.encode(SENTINEL_VALUE_FOR_MISSING_DATA)
self.assertEqual(sum(mvOutput), 0)
def testDecoding(self):
"""decoding date"""
decoded = self._e.decode(self._bits)
(fieldsDict, _) = decoded
self.assertEqual(len(fieldsDict), 4)
(ranges, _) = fieldsDict['season']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [305, 305])
(ranges, _) = fieldsDict['time of day']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [14.4, 14.4])
(ranges, _) = fieldsDict['day of week']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [3, 3])
(ranges, _) = fieldsDict['weekend']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [0, 0])
def testTopDownCompute(self):
"""Check topDownCompute"""
topDown = self._e.topDownCompute(self._bits)
topDownValues = numpy.array([elem.value for elem in topDown])
errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
self.assertAlmostEqual(errs.max(), 0, 4)
def testBucketIndexSupport(self):
"""Check bucket index support"""
bucketIndices = self._e.getBucketIndices(self._d)
topDown = self._e.getBucketInfo(bucketIndices)
topDownValues = numpy.array([elem.value for elem in topDown])
errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
self.assertAlmostEqual(errs.max(), 0, 4)
encodings = []
for x in topDown:
encodings.extend(x.encoding)
self.assertTrue(numpy.array_equal(encodings, self._expected))
def testHoliday(self):
"""look at holiday more carefully because of the smooth transition"""
# use of forced is not recommended, used here for readability, see
#.........這裏部分代碼省略.........
示例2: DateEncoderTest
# 需要導入模塊: from nupic.encoders.date import DateEncoder [as 別名]
# 或者: from nupic.encoders.date.DateEncoder import getBucketIndices [as 別名]
class DateEncoderTest(unittest.TestCase):
'''Unit tests for DateEncoder class'''
def setUp(self):
##TODO: comment and code don't match - weekend?!!
# 3 bits for season, 1 bit for day of week, 2 for weekend, 5 for time of day
self._e = DateEncoder(season=3, dayOfWeek=1, weekend=3, timeOfDay=5)
# in the middle of fall, Thursday, not a weekend, afternoon - 4th Nov, 2010, 14:55
self._d = datetime.datetime(2010, 11, 4, 14, 55)
self._bits = self._e.encode(self._d)
# season is aaabbbcccddd (1 bit/month) # TODO should be <<3?
# should be 000000000111 (centered on month 11 - Nov)
seasonExpected = [0,0,0,0,0,0,0,0,0,1,1,1]
# week is MTWTFSS
# contrary to localtime documentation, Monday = 0 (for python
# datetime.datetime.timetuple()
dayOfWeekExpected = [0,0,0,1,0,0,0]
# not a weekend, so it should be "False"
weekendExpected = [1,1,1,0,0,0]
# time of day has radius of 4 hours and w of 5 so each bit = 240/5 min = 48min
# 14:55 is minute 14*60 + 55 = 895; 895/48 = bit 18.6
# should be 30 bits total (30 * 48 minutes = 24 hours)
timeOfDayExpected = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0]
self._expected = numpy.array(seasonExpected + dayOfWeekExpected + weekendExpected \
+ timeOfDayExpected, dtype=defaultDtype)
def testDateEncoder(self):
'''creating date encoder instance'''
self.assertEqual(self._e.getDescription(), [("season", 0), ("day of week", 12),
("weekend", 19), ("time of day", 25)])
self.assertTrue((self._expected == self._bits).all())
print
self._e.pprintHeader()
self._e.pprint(self._bits)
print
def testMissingValues(self):
'''missing values'''
mvOutput = self._e.encode(SENTINEL_VALUE_FOR_MISSING_DATA)
self.assertEqual(sum(mvOutput), 0)
def testDecoding(self):
'''decoding date'''
decoded = self._e.decode(self._bits)
(fieldsDict, fieldNames) = decoded
self.assertEqual(len(fieldsDict), 4)
(ranges, desc) = fieldsDict['season']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [305, 305])
(ranges, desc) = fieldsDict['time of day']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [14.4, 14.4])
(ranges, desc) = fieldsDict['day of week']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [3, 3])
(ranges, desc) = fieldsDict['weekend']
self.assertEqual(len(ranges), 1)
self.assertSequenceEqual(ranges[0], [0, 0])
print decoded
print "decodedToStr=>", self._e.decodedToStr(decoded)
def testTopDownCompute(self):
'''Check topDownCompute'''
topDown = self._e.topDownCompute(self._bits)
topDownValues = numpy.array([elem.value for elem in topDown])
errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
self.assertAlmostEqual(errs.max(), 0, 4)
def testBucketIndexSupport(self):
'''Check bucket index support'''
bucketIndices = self._e.getBucketIndices(self._d)
print "bucket indices:", bucketIndices
topDown = self._e.getBucketInfo(bucketIndices)
topDownValues = numpy.array([elem.value for elem in topDown])
errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
self.assertAlmostEqual(errs.max(), 0, 4)
encodings = []
for x in topDown:
encodings.extend(x.encoding)
self.assertTrue((encodings == self._expected).all())
def testHoliday(self):
'''look at holiday more carefully because of the smooth transition'''
e = DateEncoder(holiday=5)
holiday = numpy.array([0,0,0,0,0,1,1,1,1,1], dtype='uint8')
notholiday = numpy.array([1,1,1,1,1,0,0,0,0,0], dtype='uint8')
holiday2 = numpy.array([0,0,0,1,1,1,1,1,0,0], dtype='uint8')
#.........這裏部分代碼省略.........