def percentileOfSeries(requestContext, *args):
levels = []
seriesList = []
for arg in args:
logging.info("Arg: %s", arg)
if isinstance(arg, (int, long, float)):
levels.append(arg)
elif isinstance(arg, basestring):
levels += [float(x) for x in arg.split(";")]
else:
seriesList += arg
logging.info("Levels: %s", levels)
logging.info("Series: %s", seriesList)
result = []
for level in levels:
if levels <= 0:
raise ValueError('The requested percent is required to be greater than 0')
name = 'percentilesOfSeries(%s,%g)' % (seriesList[0].pathExpression, level)
(start, end, step) = functions.normalize([seriesList])[1:]
values = [functions._getPercentile(row, level, False) for row in functions.izip(*seriesList)]
resultSeries = TimeSeries(name, start, end, step, values)
resultSeries.pathExpression = name
result.append(resultSeries)
return result
def testGetPercentile(self):
seriesList = [
([None, None, 15, 20, 35, 40, 50], 20),
(range(100), 30),
(range(200), 60),
(range(300), 90),
(range(1, 101), 31),
(range(1, 201), 61),
(range(1, 301), 91),
(range(0, 102), 30),
(range(1, 203), 61),
(range(1, 303), 91),
]
for index, conf in enumerate(seriesList):
series, expected = conf
result = functions._getPercentile(series, 30)
self.assertEqual(expected, result, 'For series index <%s> the 30th percentile ordinal is not %d, but %d ' % (index, expected, result))
def testGetPercentile(self):
seriesList = [
([None, None, 15, 20, 35, 40, 50], 20),
(range(100), 30),
(range(200), 60),
(range(300), 90),
(range(1, 101), 31),
(range(1, 201), 61),
(range(1, 301), 91),
(range(0, 102), 30),
(range(1, 203), 61),
(range(1, 303), 91),
]
for index, conf in enumerate(seriesList):
series, expected = conf
result = functions._getPercentile(series, 30)
self.assertEqual(expected, result, 'For series index <%s> the 30th percentile ordinal is not %d, but %d ' % (index, expected, result))
