def readcsv(datafile='tmp-fe-normdiflog.csv'):
'''Read CSV file.'''
try:
if datafile.endswith('.gz'):
df = readfile(datafile, compress='gzip')
else:
df = readfile(datafile)
return df
except Exception:
raise ValueError("Improper or non-existent datafile specified.")
def test_bootstrap_fecon236_Read_CSV_file():
'''Read CSV file then check values.'''
df = fred.readfile('tests' + sep + 'zdata-xau-13hj-c30.csv')
# readfile disregards XAU column name:
assert [col for col in df.columns] == ['Y']
assert df.shape == (30, 1)
return df
def GET_simu_spx_pcent():
'''Retrieve normalized SPX daily percent change 1957-2014.'''
# NORMALIZED s.t. sample mean=0 and std=1%.
datafile = 'SIMU-mn0-sd1pc-d4spx_1957-2014.csv.gz'
try:
df = readfile(datafile, compress='gzip')
# print(' :: Import success: ' + datafile)
except Exception:
df = 0
print(' !! Failed to find: ' + datafile)
return df