def getRatesOfReturn(self, startdate=None, method="Log"):
if startdate == None:
startdate = self.startdate
prices = self.prices
# prices = [float(prices[date].adjclosing) for date in u.date_range(startdate) if date in prices.keys()])
dates = [d for d in u.date_range(startdate) if prices.has_key(d)]
rates = {}
for i in range(len(dates)):
if i != 0:
d1 = float(prices[dates[i]].adjclosing)
d2 = float(prices[dates[i - 1]].adjclosing)
if method == "Log":
if d1 != 0.00 and d2 != 0.00:
rates[dates[i]] = num.log(d1) - num.log(d2)
elif method == "Simple":
if d2 != 0.00:
rates[dates[i]] = (d1 - d2) / d2
return rates
def getRatesOfReturn(self, startdate=None, method="Log"):
if startdate==None:
startdate = self.startdate
prices = self.prices
# prices = [float(prices[date].adjclosing) for date in u.date_range(startdate) if date in prices.keys()])
dates = [d for d in u.date_range(startdate) if prices.has_key(d)]
rates = {}
for i in range(len(dates)):
if i != 0:
d1 = float(prices[dates[i]].adjclosing)
d2 = float(prices[dates[i-1]].adjclosing)
if method=="Log":
if d1 != 0.00 and d2 != 0.00:
rates[dates[i]] = num.log(d1)-num.log(d2)
elif method=="Simple":
if d2 != 0.00:
rates[dates[i]] = (d1-d2)/d2
return rates
"names": [
'currents', 'surface_eastward_sea_water_velocity',
'*surface_eastward_sea_water_velocity*'
],
"sos_name": ['currents']
}
# <codecell>
endpoint = 'http://www.ngdc.noaa.gov/geoportal/csw' # NGDC Geoportal
csw = CatalogueServiceWeb(endpoint, timeout=60)
# <codecell>
# convert User Input into FES filters
start, stop = date_range(start_date, stop_date)
bbox = fes.BBox(bounding_box)
#use the search name to create search filter
or_filt = fes.Or([
fes.PropertyIsLike(propertyname='apiso:AnyText',
literal=('*%s*' % val),
escapeChar='\\',
wildCard='*',
singleChar='?')
for val in data_dict['currents']['names']
])
val = 'Averages'
not_filt = fes.Not([
fes.PropertyIsLike(propertyname='apiso:AnyText',
data_dict = {}
sos_name = 'Currents'
data_dict['currents'] = {"names":['currents',
'surface_eastward_sea_water_velocity',
'*surface_eastward_sea_water_velocity*'],
"sos_name":['currents']}
# <codecell>
endpoint = 'http://www.ngdc.noaa.gov/geoportal/csw' # NGDC Geoportal
csw = CatalogueServiceWeb(endpoint,timeout=60)
# <codecell>
# convert User Input into FES filters
start,stop = date_range(start_date,stop_date)
bbox = fes.BBox(bounding_box)
#use the search name to create search filter
or_filt = fes.Or([fes.PropertyIsLike(propertyname='apiso:AnyText',literal=('*%s*' % val),
escapeChar='\\',wildCard='*',singleChar='?') for val in data_dict['currents']['names']])
val = 'Averages'
not_filt = fes.Not([fes.PropertyIsLike(propertyname='apiso:AnyText',
literal=('*%s*' % val),
escapeChar='\\',
wildCard='*',
singleChar='?')])
filter_list = [fes.And([ bbox, start, stop, or_filt, not_filt]) ]
# connect to CSW, explore it's properties
# try request using multiple filters "and" syntax: [[filter1,filter2]]
# Search CSW for datasets of interest
# <codecell>
endpoint = 'http://www.ngdc.noaa.gov/geoportal/csw' # NGDC Geoportal
csw = CatalogueServiceWeb(endpoint,timeout=60)
for oper in csw.operations:
if oper.name == 'GetRecords':
print '\nISO Queryables:\n',oper.constraints['SupportedISOQueryables']['values']
# <codecell>
# convert User Input into FES filters
start,stop = date_range(start_date,end_date)
box = []
box.append(bounding_box[0][0])
box.append(bounding_box[0][1])
box.append(bounding_box[1][0])
box.append(bounding_box[1][1])
bbox = fes.BBox(box)
#use the search name to create search filter
or_filt = fes.Or([fes.PropertyIsLike(propertyname='apiso:AnyText',literal=('*%s*' % val),
escapeChar='\\',wildCard='*',singleChar='?') for val in data_dict["waves"]["names"]])
val = 'Averages'
not_filt = fes.Not([fes.PropertyIsLike(propertyname='apiso:AnyText',literal=('*%s*' % val),
escapeChar='\\',wildCard='*',singleChar='?')])
filter_list = [fes.And([ bbox, start, stop, or_filt, not_filt]) ]
# connect to CSW, explore it's properties
# Search CSW for datasets of interest
# <codecell>
endpoint = 'http://www.ngdc.noaa.gov/geoportal/csw' # NGDC Geoportal
csw = CatalogueServiceWeb(endpoint, timeout=60)
for oper in csw.operations:
if oper.name == 'GetRecords':
print '\nISO Queryables:\n', oper.constraints[
'SupportedISOQueryables']['values']
# <codecell>
# convert User Input into FES filters
start, stop = date_range(start_date, end_date)
box = []
box.append(bounding_box[0][0])
box.append(bounding_box[0][1])
box.append(bounding_box[1][0])
box.append(bounding_box[1][1])
bbox = fes.BBox(box)
#use the search name to create search filter
or_filt = fes.Or([
fes.PropertyIsLike(propertyname='apiso:AnyText',
literal=('*%s*' % val),
escapeChar='\\',
wildCard='*',
singleChar='?') for val in data_dict["waves"]["names"]
])
