def testSetFieldStats(self): """Test setting the min and max using setFieldStats""" def _dumpParams(enc): return (enc.n, enc.w, enc.minval, enc.maxval, enc.resolution, enc._learningEnabled, enc.recordNum, enc.radius, enc.rangeInternal, enc.padding, enc.nInternal) sfs = AdaptiveScalarEncoder(name='scalar', n=14, w=5, minval=1, maxval=10, periodic=False, forced=True) reg = AdaptiveScalarEncoder(name='scalar', n=14, w=5, minval=1, maxval=100, periodic=False, forced=True) self.assertNotEqual( _dumpParams(sfs), _dumpParams(reg), ("Params should not be equal, since the two encoders " "were instantiated with different values.")) # set the min and the max using sFS to 1,100 respectively. sfs.setFieldStats("this", {"this": {"min": 1, "max": 100}}) #Now the parameters for both should be the same self.assertEqual(_dumpParams(sfs), _dumpParams(reg), ("Params should now be equal, but they are not. sFS " "should be equivalent to initialization."))
def testNonPeriodicEncoderMinMaxNotSpec(self): """Non-periodic encoder, min and max not specified""" l = AdaptiveScalarEncoder(name="scalar", n=14, w=5, minval=None, maxval=None, periodic=False, forced=True) def _verify(v, encoded, expV=None): if expV is None: expV = v self.assertTrue(numpy.array_equal( l.encode(v), numpy.array(encoded, dtype=defaultDtype))) self.assertLessEqual( abs(l.getBucketInfo(l.getBucketIndices(v))[0].value - expV), l.resolution/2) def _verifyNot(v, encoded): self.assertFalse(numpy.array_equal( l.encode(v), numpy.array(encoded, dtype=defaultDtype))) _verify(1, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]) _verify(2, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(10, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(3, [0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0]) _verify(-9, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]) _verify(-8, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]) _verify(-7, [0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0]) _verify(-6, [0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0]) _verify(-5, [0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0]) _verify(0, [0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0]) _verify(8, [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0]) _verify(8, [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0]) _verify(10, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(11, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(12, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(13, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(14, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(15, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) #"""Test switching learning off""" l = AdaptiveScalarEncoder(name="scalar", n=14, w=5, minval=1, maxval=10, periodic=False, forced=True) _verify(1, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]) _verify(10, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(20, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(10, [0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0]) l.setLearning(False) _verify(30, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1], expV=20) _verify(20, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(-10, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0], expV=1) _verify(-1, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0], expV=1) l.setLearning(True) _verify(30, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verifyNot(20, [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) _verify(-10, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]) _verifyNot(-1, [1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0])
def testMissingValues(self): """missing values""" # forced: it's strongly recommended to use w>=21, in the example we force # skip the check for readib. mv = AdaptiveScalarEncoder(name="mv", n=14, w=3, minval=1, maxval=8, periodic=False, forced=True) empty = mv.encode(SENTINEL_VALUE_FOR_MISSING_DATA) self.assertEqual(empty.sum(), 0)
def setUp(self): # forced: it's strongly recommended to use w>=21, in the example we force # skip the check for readibility self._l = AdaptiveScalarEncoder(name="scalar", n=14, w=5, minval=1, maxval=10, periodic=False, forced=True)
def __new__(self, w, minval=None, maxval=None, periodic=False, n=0, radius=0, resolution=0, name=None, verbosity=0, clipInput=False, space="absolute", forced=False): self._encoder = None if space == "absolute": ret = AdaptiveScalarEncoder(w, minval, maxval, periodic, n, radius, resolution, name, verbosity, clipInput, forced=forced) else: ret = DeltaEncoder(w, minval, maxval, periodic, n, radius, resolution, name, verbosity, clipInput, forced=forced) return ret
def __init__(self, w, minval=None, maxval=None, periodic=False, n=0, radius=0, resolution=0, name=None, verbosity=0, clipInput=True, forced=False): """[ScalarEncoder class method override]""" self._learningEnabled = True self._stateLock = False self.width = 0 self.encoders = None self.description = [] self.name = name if periodic: #Delta scalar encoders take non-periodic inputs only raise Exception('Delta encoder does not encode periodic inputs') assert n!=0 #An adaptive encoder can only be intialized using n self._adaptiveScalarEnc = AdaptiveScalarEncoder(w=w, n=n, minval=minval, maxval=maxval, clipInput=True, name=name, verbosity=verbosity, forced=forced) self.width+=self._adaptiveScalarEnc.getWidth() self.n = self._adaptiveScalarEnc.n self._prevAbsolute = None #how many inputs have been sent to the encoder? self._prevDelta = None