Python get_change_percentage 예제들

예제 #1

파일: utils_test.py 프로젝트: gansaihua/pyalgotrade

 def testChangePercentage(self):
     self.assertEqual(utils.get_change_percentage(1, 1), 0)
     self.assertEqual(round(utils.get_change_percentage(1.1, 1), 2), 0.1)
     self.assertEqual(round(utils.get_change_percentage(2, 1), 2), 1)
     self.assertEqual(utils.get_change_percentage(1, 2), -0.5)
     self.assertEqual(utils.get_change_percentage(0, -1), 1)
     self.assertEqual(utils.get_change_percentage(1, -1), 2)
     self.assertEqual(utils.get_change_percentage(-2, -1), -1)
     self.assertEqual(utils.get_change_percentage(-1.5, -1), -0.5)
     with self.assertRaisesRegexp(Exception, "Invalid values"):
         utils.get_change_percentage(-1.5, 0)

예제 #2

파일: utils_test.py 프로젝트: berlm/pyalgotrade

 def testChangePercentage(self):
     self.assertEqual(utils.get_change_percentage(1, 1), 0)
     self.assertEqual(round(utils.get_change_percentage(1.1, 1), 2), 0.1)
     self.assertEqual(round(utils.get_change_percentage(2, 1), 2), 1)
     self.assertEqual(utils.get_change_percentage(1, 2), -0.5)
     self.assertEqual(utils.get_change_percentage(0, -1), 1)
     self.assertEqual(utils.get_change_percentage(1, -1), 2)
     self.assertEqual(utils.get_change_percentage(-2, -1), -1)
     self.assertEqual(utils.get_change_percentage(-1.5, -1), -0.5)
     with self.assertRaisesRegexp(Exception, "Invalid values"):
         utils.get_change_percentage(-1.5, 0)

예제 #3

 def getValue(self):
     ret = None
     if self.windowFull():
         prev = self.getValues()[0]
         actual = self.getValues()[-1]
         ret = utils.get_change_percentage(actual, prev)
     return ret

예제 #4

파일: ratio.py 프로젝트: itrade-crypto/pyalgotrade

	def getValue(self):
		ret = None
		if len(self.getValues()) == self.getWindowSize():
			prev = self.getValues()[0]
			actual = self.getValues()[-1]
			ret = utils.get_change_percentage(actual, prev)
		return ret

예제 #5

파일: ratio.py 프로젝트: immm007/TSystem

 def calculate(self):
     ret = None
     if self.isFull():
         prev = self.data()[0]
         actual = self.data()[-1]
         ret = utils.get_change_percentage(actual, prev)
     return ret

예제 #6

파일: ratio.py 프로젝트: Barcelons281/pyalgotrade

	def getValue(self):
		ret = None
		if self.windowFull():
			prev = self.getValues()[0]
			actual = self.getValues()[-1]
			ret = utils.get_change_percentage(actual, prev)
		return ret

예제 #7

파일: utils_test.py 프로젝트: oliveagle/pyalgotrade

 def testChangePercentage(self):
     self.assertEqual(utils.get_change_percentage(1, 1), 0)
     self.assertEqual(round(utils.get_change_percentage(1.1, 1), 2), 0.1)
     self.assertEqual(round(utils.get_change_percentage(2, 1), 2), 1)
     self.assertEqual(utils.get_change_percentage(1, 2), -0.5)
     self.assertEqual(utils.get_change_percentage(0, -1), 1)
     self.assertEqual(utils.get_change_percentage(1, -1), 2)
     self.assertEqual(utils.get_change_percentage(-2, -1), -1)
     self.assertEqual(utils.get_change_percentage(-1.5, -1), -0.5)

예제 #8

파일: utils_test.py 프로젝트: harsha550/pyalgotrade

 def testChangePercentage(self):
     self.assertEqual(utils.get_change_percentage(1, 1), 0)
     self.assertEqual(round(utils.get_change_percentage(1.1, 1), 2), 0.1)
     self.assertEqual(round(utils.get_change_percentage(2, 1), 2), 1)
     self.assertEqual(utils.get_change_percentage(1, 2), -0.5)
     self.assertEqual(utils.get_change_percentage(0, -1), 1)
     self.assertEqual(utils.get_change_percentage(1, -1), 2)
     self.assertEqual(utils.get_change_percentage(-2, -1), -1)
     self.assertEqual(utils.get_change_percentage(-1.5, -1), -0.5)

예제 #9

    def calculateValue(self, firstPos, lastPos):
        prev = self.getDataSeries().getValueAbsolute(firstPos)
        actual = self.getDataSeries().getValueAbsolute(lastPos)

        if actual is None or prev is None or prev == 0:
            return None

        return utils.get_change_percentage(actual, prev)

예제 #10

파일: ratio.py 프로젝트: AlexColson/pyalgotrade

	def calculateValue(self, firstPos, lastPos):
		prev = self.getDataSeries().getValueAbsolute(firstPos)
		actual = self.getDataSeries().getValueAbsolute(lastPos)

		if actual is None or prev is None or prev == 0:
			return None

		return utils.get_change_percentage(actual, prev)