- improved
git-svn-id: http://moon:8086/svn/projects/Stock@333 fda53097-d464-4ada-af97-ba876c37ca34
This commit is contained in:
+25
-26
@@ -2,27 +2,27 @@ import numpy as np
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import math
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def exponential_moving_average(data, key, alpha=0.5, ic=None):
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result = np.zeros_like(data[key])
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def exponential_moving_average(data, alpha=0.5, ic=None):
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result = np.zeros_like(data)
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if ic is None:
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r = data[key][0]
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r = data[0]
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else:
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r = ic
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n = 0
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for v in data[key]:
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for v in data:
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r = alpha*r + (1-alpha)*v
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result[n] = r
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n += 1
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return np.array(result)
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def moving_average(data, key, window_days, ic=0):
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def moving_average(data, window_days, ic=0):
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mem = [ic] * window_days
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result = np.zeros_like(data[key])
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result = np.zeros_like(data)
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k=0
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cumsum = ic
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n = 0
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for v in data[key]:
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for v in data:
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cumsum += (v - mem[k])
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mem[k] = v
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k += 1
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@@ -34,12 +34,12 @@ def moving_average(data, key, window_days, ic=0):
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return result
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def moving_variance(data, key, window_days, ic=0):
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def moving_variance(data, window_days, ic=0):
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mem = [ic] * window_days
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result = np.zeros_like(data[key])
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result = np.zeros_like(data)
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k=0
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cumsum = ic
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data_mean = data[key] - moving_average(data, key, window_days, ic)
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data_mean = data - moving_average(data, window_days, ic)
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n = 0
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for v in data_mean:
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try:
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@@ -58,12 +58,12 @@ def moving_variance(data, key, window_days, ic=0):
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return result
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def moving_max(data, key, window_days, ic=-1e9):
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def moving_max(data, window_days, ic=-1e9):
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mem = [ic] * window_days
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result = np.zeros_like(data[key])
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result = np.zeros_like(data)
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k=0
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n = 0
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for v in data[key]:
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for v in data:
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mem[k] = v
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k += 1
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if k >= window_days:
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@@ -74,12 +74,12 @@ def moving_max(data, key, window_days, ic=-1e9):
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return result
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def moving_min(data, key, window_days, ic=1e9):
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def moving_min(data, window_days, ic=1e9):
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mem = [ic] * window_days
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result = np.zeros_like(data[key])
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result = np.zeros_like(data)
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k=0
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n = 0
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for v in data[key]:
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for v in data:
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mem[k] = v
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k += 1
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if k >= window_days:
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@@ -90,15 +90,15 @@ def moving_min(data, key, window_days, ic=1e9):
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return result
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def normalize(data, key, ic=None):
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result = np.zeros_like(data[key])
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def normalize(data, ic=None):
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result = np.zeros_like(data)
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cumsum = 0
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if ic is None:
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prev = data[key][0]
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prev = data[0]
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else:
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prev = ic
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n = 0
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for v in data[key]:
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for v in data:
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if prev == 0:
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print (prev)
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cumsum += 100*(v - prev)/(prev)
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@@ -118,18 +118,17 @@ def colsum(data, keys):
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return result
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def macd(data, key):
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ema_short = exponential_moving_average(data, key, alpha=0.85)
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ema_long = exponential_moving_average(data, key, alpha=0.925)
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def macd(data):
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ema_short = exponential_moving_average(data, alpha=0.85)
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ema_long = exponential_moving_average(data, alpha=0.925)
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return ema_short - ema_long
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def bollinger(data, window_days, f=2):
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tp = colsum(data, keys=['high', 'low', 'close']) / 3
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tp_dict = {'tp': tp}
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stddev = np.array(moving_variance(tp_dict, 'tp', window_days))
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stddev = np.array(moving_variance(tp, window_days))
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mid = np.array(moving_average(tp_dict, key='tp', window_days=window_days))
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mid = np.array(moving_average(tp, window_days=window_days))
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upper = mid + f * stddev
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lower = mid - f * stddev
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result = {'index' : data['index'], 'upper' : upper, 'mid' : mid, 'lower' : lower}
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@@ -14,9 +14,8 @@
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import matplotlib.pyplot as plt
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from stock import Stock
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key = '0UO7Z2MVZ2YSQSVE'
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params = {
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'show_range_days' : 10,
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'show_range_days' : 5,
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'k_euro' : 1 / 1.11,
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'ema_alpha' : 0.75,
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'sma_days' : 10,
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@@ -28,13 +27,13 @@ show_symbols = ['OHB.DE', 'ITMPF', 'PLUG', 'MOR.DE', 'CSCO', 'ERCA.DE', 'AVGO',
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show_symbols = ['CSCO']
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#show_symbols = ['OHB.DE']
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#show_symbols = ['UBSFF']
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show_symbols = ['DHER.DE']
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#show_symbols = ['DHER.DE']
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#show_symbols = ['WDI.DE']
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#show_symbols = ['EVT.DE']
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show_symbols = []
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symbols = {
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'SSHPF' : {'name' : 'Scanship Holding ASA', 'currency' : '$'},
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'RIG' : {'name' : 'Transocean Ltd.', 'currency' : '$'},
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'BBIO' : {'name' : 'BridgeBio Pharma, Inc.', 'currency' : '$'},
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'APA' : {'name' : 'Apache Corporation', 'currency' : '$'},
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@@ -140,20 +139,26 @@ if len(show_symbols) > 0:
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title = Stock(params, symbol, symbols[symbol])
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title.fetch()
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title.statistics()
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ind = title.analyze(buy_callback, range_days=params['show_range_days'])
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title.show(ind, figNum=figNum)
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figNum += 1
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try:
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ind = title.analyze(buy_callback, range_days=params['show_range_days'])
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title.show(ind, figNum=figNum)
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figNum += 1
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except:
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print ("Exception occurred for {}".format(symbol))
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else:
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for symbol in symbols:
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title = Stock(params, symbol, symbols[symbol])
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title.fetch()
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title.statistics()
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ind = title.analyze(buy_callback, range_days=params['show_range_days'])
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if Stock.has_candidate(ind, 'BTFD'):
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print('-----------------------------------------------')
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title.show(ind, figNum=figNum)
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figNum += 1
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try:
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ind = title.analyze(buy_callback, range_days=params['show_range_days'])
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if Stock.has_candidate(ind, 'BTFD'):
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print('-----------------------------------------------')
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title.show(ind, figNum=figNum)
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figNum += 1
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except:
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print ("Exception occurred for {}".format(symbol))
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gain_accum = 0
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num_stocks = 0
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for symbol in buy_list:
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@@ -12,6 +12,8 @@ import matplotlib as mpl
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mpl.rc('figure', max_open_warning = 0)
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key = '0UO7Z2MVZ2YSQSVE'
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class Stock(object):
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def __init__(self, params, symbol, symbol_params):
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self.symbol_params = symbol_params
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@@ -84,26 +86,26 @@ class Stock(object):
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def statistics(self):
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N = len(self.data['index'])
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self.data['ema'] = exponential_moving_average(self.data, key='close', alpha=self.params['ema_alpha'])
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self.data['sma'] = moving_average(self.data, key='close', window_days=self.params['sma_days'])
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self.data['close_n'] = normalize(self.data, key='close')
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self.data['macd'] = macd(self.data, key='close_n')
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self.data['min'] = moving_min(self.data, key='close_n', window_days=self.params['q_days'])
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self.data['max'] = moving_max(self.data, key='close_n', window_days=self.params['q_days'])
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self.data['ema'] = exponential_moving_average(self.data['close'], alpha=self.params['ema_alpha'])
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self.data['sma'] = moving_average(self.data['close'], window_days=self.params['sma_days'])
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self.data['close_n'] = normalize(self.data['close'])
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self.data['macd'] = macd(self.data['close_n'])
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self.data['min'] = moving_min(self.data['close_n'], window_days=self.params['q_days'])
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self.data['max'] = moving_max(self.data['close_n'], window_days=self.params['q_days'])
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self.data['Qmin'] = self.data['close_n'] - self.data['min']
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self.data['Qmax'] = self.data['close_n'] - self.data['max']
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self.boll = bollinger(self.data, window_days=30)
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x_r = np.linspace(0, N, N)
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y_r = self.data['macd']
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y_r = np.append(self.data['macd'], self.data['macd'][N-1])
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x_r = np.linspace(1, N, N+1)
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spl = UnivariateSpline(x=x_r, y=y_r, k=5)
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spl.set_smoothing_factor(0.25)
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spl_d = spl.derivative()
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spl_dd = spl.derivative().derivative()
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yf = spl(x_r)
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yf_d = spl_d(x_r)
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x_r2 = np.linspace(-1, N-1, N)
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x_r2 = np.linspace(1, N, N+1)
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yf_dd = spl_dd(x_r2)
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self.data['macd_f'] = np.transpose(yf)
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