def cal_obj(signal, name, period, quantile):
obj = SignalDigger(
) #SignalDigger实体化,下面调用它的方法process_signal_before_analysis
obj.process_signal_before_analysis(
signal, #因子数据
price=price, #价格数据
n_quantiles=quantile, #百分位
period=period, #持有周期
can_enter=can_enter, #能买入
can_exit=can_exit, #能卖出
group=group, #行业分类表格
mask=mask #指数成分的过滤
)
obj.create_full_report() #创建一个完整的report
return obj
def analyze_signal(dv, signal_name, output_format='pdf'):
# Step.2 calculate mask (to mask those ill data points)
mask_sus = dv.get_ts('suspended')
mask_index_member = dv.get_ts('not_index_member')
mask_limit_reached = dv.get_ts('limit_reached')
mask_all = np.logical_or(
mask_sus, np.logical_or(mask_index_member, mask_limit_reached))
signal = dv.get_ts(signal_name) # avoid look-ahead bias
price = dv.get_ts('close_adj')
price_bench = dv.data_benchmark
# Step.4 analyze!
my_period = 5
obj = SignalDigger(output_folder='../../output/test_signal',
output_format=output_format)
obj.process_signal_before_analysis(
signal,
price=price,
mask=mask_all,
n_quantiles=5,
period=my_period,
benchmark_price=price_bench,
)
res = obj.create_full_report()
def analyze_signal():
# --------------------------------------------------------------------------------
# Step.1 load dataview
dv = DataView()
dv.load_dataview(dataview_folder)
# --------------------------------------------------------------------------------
# Step.2 calculate mask (to mask those ill data points)
trade_status = dv.get_ts('trade_status')
mask_sus = trade_status == u'停牌'.encode('utf-8')
df_index_member = dv.get_ts('index_member')
mask_index_member = ~(df_index_member > 0)
dv.add_formula('limit_reached',
'Abs((open - Delay(close, 1)) / Delay(close, 1)) > 0.095',
is_quarterly=False)
df_limit_reached = dv.get_ts('limit_reached')
mask_limit_reached = df_limit_reached > 0
mask_all = np.logical_or(
mask_sus, np.logical_or(mask_index_member, mask_limit_reached))
# --------------------------------------------------------------------------------
# Step.3 get signal, benchmark and price data
# dv.add_formula('illi_daily', '(high - low) * 1000000000 / turnover', is_quarterly=False)
# dv.add_formula('illi', 'Ewma(illi_daily, 11)', is_quarterly=False)
# dv.add_formula('size', 'Log(float_mv)', is_quarterly=False)
# dv.add_formula('value', '-1.0/pb', is_quarterly=False)
# dv.add_formula('liquidity', 'Ts_Mean(volume, 22) / float_mv', is_quarterly=False)
dv.add_formula('divert',
'- Correlation(vwap_adj, volume, 10)',
is_quarterly=False)
signal = dv.get_ts('divert').shift(1, axis=0) # avoid look-ahead bias
price = dv.get_ts('close_adj')
price_bench = dv.data_benchmark
# Step.4 analyze!
my_period = 5
obj = SignalDigger(output_folder='../../output/test_signal',
output_format='pdf')
obj.process_signal_before_analysis(
signal,
price=price,
mask=mask_all,
n_quantiles=5,
period=my_period,
benchmark_price=price_bench,
)
res = obj.create_full_report()
def test_analyze_signal():
# --------------------------------------------------------------------------------
# Step.1 load dataview
dv = DataView()
dv.load_dataview(dataview_folder)
mask = mask_index_member(dv)
can_enter, can_exit = limit_up_down(dv)
# --------------------------------------------------------------------------------
# Step.3 get signal, benchmark and price data
dv.add_formula('divert',
'- Correlation(vwap_adj, volume, 10)',
is_quarterly=False,
add_data=True)
signal = dv.get_ts('divert')
price = dv.get_ts('close_adj')
price_bench = dv.data_benchmark
# Step.4 analyze!
my_period = 5
obj = SignalDigger(output_folder='../output/test_signal',
output_format='pdf')
obj.process_signal_before_analysis(
signal=signal,
price=price,
high=dv.get_ts("high_adj"), # 可为空
low=dv.get_ts("low_adj"), # 可为空
group=dv.get_ts("sw1"),
n_quantiles=5, # quantile分类数
mask=mask, # 过滤条件
can_enter=can_enter, # 是否能进场
can_exit=can_exit, # 是否能出场
period=my_period, # 持有期
benchmark_price=price_bench, # 基准价格 可不传入，持有期收益（return）计算为绝对收益
commission=0.0008,
)
signal_data = obj.signal_data
result = analysis(signal_data, is_event=False, period=my_period)
ic = pfm.calc_signal_ic(signal_data, by_group=True)
mean_ic_by_group = pfm.mean_information_coefficient(ic, by_group=True)
plotting.plot_ic_by_group(mean_ic_by_group)
res = obj.create_full_report()
def analyze_signal(dv, signal_name, output_format='pdf'):
# Step.2 calculate mask (to mask those ill data points)
mask_sus = dv.get_ts('suspended')
mask_index_member = dv.get_ts('not_index_member')
mask_limit_reached = dv.get_ts('limit_reached')
mask_all = np.logical_or(mask_sus, np.logical_or(mask_index_member, mask_limit_reached))
signal = dv.get_ts(signal_name).shift(1, axis=0) # avoid look-ahead bias
price = dv.get_ts('close_adj')
price_bench = dv.data_benchmark
# Step.4 analyze!
my_period = 5
obj = SignalDigger(output_folder='../../output/test_signal',
output_format=output_format)
obj.process_signal_before_analysis(signal, price=price,
mask=mask_all,
n_quantiles=5, period=my_period,
benchmark_price=price_bench,
)
res = obj.create_full_report()
def test_analyze_signal():
# --------------------------------------------------------------------------------
# Step.1 load dataview
dv = DataView()
dv.load_dataview(dataview_folder)
# --------------------------------------------------------------------------------
# Step.2 calculate mask (to mask those ill data points)
trade_status = dv.get_ts('trade_status')
mask_sus = trade_status == u'停牌'
df_index_member = dv.get_ts('index_member')
mask_index_member = ~(df_index_member > 0)
dv.add_formula('limit_reached', 'Abs((open - Delay(close, 1)) / Delay(close, 1)) > 0.095', is_quarterly=False)
df_limit_reached = dv.get_ts('limit_reached')
mask_limit_reached = df_limit_reached > 0
mask_all = np.logical_or(mask_sus, np.logical_or(mask_index_member, mask_limit_reached))
# --------------------------------------------------------------------------------
# Step.3 get signal, benchmark and price data
dv.add_formula('divert', '- Correlation(vwap_adj, volume, 10)', is_quarterly=False)
signal = dv.get_ts('divert').shift(1, axis=0) # avoid look-ahead bias
price = dv.get_ts('close_adj')
price_bench = dv.data_benchmark
# Step.4 analyze!
my_period = 5
obj = SignalDigger(output_folder='../output/test_signal', output_format='pdf')
obj.process_signal_before_analysis(signal, price=price,
mask=mask_all,
n_quantiles=5, period=my_period,
benchmark_price=price_bench,
)
res = obj.create_full_report()