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funcs.py
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funcs.py
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import time
import numpy as np
import matplotlib.pyplot as plt
import pandas as pd
from collections import Counter
#define chart character and mood
class chart_nature:
def __init__(self, name, scheme):
self.name = name
self.scheme = scheme
def find_likelihood(self, skeleton):
summ = 0
for i in range(len(skeleton)):
a = (self.scheme[i] - skeleton[i])**2
summ = summ + a
return (len(skeleton)-summ) * (100/len(skeleton))
#establishing our chart schemes
uptrend = chart_nature('uptrend', [0, 0.17, 0.33, 0.5, 0.67, 0.83, 1])
downtrend = chart_nature('downtrend', [1, 0.83, 0.67, 0.5, 0.33, 0.17, 0])
upburst = chart_nature('upburst', [0, 0.06, 0.12, 0.2, 0.32, 0.6, 1])
downburst = chart_nature('downburst', [1, 0.94, 0.88, 0.8, 0.68, 0.4, 0])
stagnation = chart_nature('stagnation', [0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5])
rebound_lately = chart_nature('rebound_lately', [1, 0.8, 0.6, 0.4, 0.2, 0, 0.4])
correction_lately = chart_nature('correction_lately', [0, 0.2, 0.4, 0.6, 0.8, 1, 0.6])
up_and_calm = chart_nature('up_and_calm', [0, 0.3, 0.6, 0.9, 0.9, 0.9, 0.9])
down_and_calm = chart_nature('down_and_calm', [1, 0.7, 0.3, 0.1, 0.1, 0.1, 0.1])
down_and_up = chart_nature('down_and_up', [1, 0.66, 0.33, 0, 0.33, 0.66, 1])
up_and_down = chart_nature('up_and_down', [0, 0.33, 0.66, 1, 0.66, 0.33, 0])
chart_natures = [uptrend, downtrend, upburst, downburst, stagnation, rebound_lately, correction_lately,
up_and_calm, down_and_calm, down_and_up, up_and_down]
#minmax filter
def MA_filter(price_list):
MA_list = []
for i in range (len(price_list)-19):
window_list = price_list[i:i+20]
average = sum(window_list) / 20
MA_list.append(average)
return MA_list
def minmax(price_list):
list_min = min(price_list)
list_max = max(price_list)
minmax_list = []
for price in price_list:
price = (price - list_min)/(list_max - list_min)
minmax_list.append(price)
return minmax_list
#graining_filter
def graining_filter(price_list, grain_number):
current_price_list = price_list.copy()
list_min = min(current_price_list)
list_max = max(current_price_list)
for i in range(len(current_price_list)):
current_price_list[i] = (current_price_list[i] - list_min) * 100
grain_size = (list_max - list_min) / grain_number * 100
grained_price_list = [x // grain_size * grain_size for x in current_price_list]
grained_price_list2 = grained_price_list.copy()
for i in range(len(grained_price_list)):
grained_price_list2[i] = grained_price_list[i] / 100 + list_min
return grained_price_list2
#find chart sceleton
def timeframe_slice(number):
start_number = number - 1
step = start_number // 6
end_number = start_number % step
return end_number, start_number, step
def skeleton_founder(price_list, i, j, k):
skeleton_slice = slice(i, j+1, k)
skeleton = price_list[skeleton_slice]
skeleton = minmax(skeleton)
return(skeleton)
#finding likelihood to our schemes
def find_nature(skeleton):
final_nature = ''
final_likelihood = 0
likelihood_dict = {}
for chart_nature in chart_natures:
likelihood = chart_nature.find_likelihood(skeleton)
if final_likelihood < likelihood:
final_likelihood = likelihood
final_nature = chart_nature.name
likelihood_dict[chart_nature.name] = likelihood
return final_nature, final_likelihood, likelihood_dict
#define investment, speculative, tension, optimism coeffs
#1. Preprocessing
def pl_preprocessing (open_list, high_list, low_list, close_list):
price_list = open_list + high_list + low_list + close_list
processed_list = minmax(price_list)
#print(processed_list)
my_array = np.array(processed_list)
my_array = my_array.reshape(4, 260)
my_array = np.transpose(my_array)
return my_array
def make_isto(array):
isto_array = np.zeros((260, 4))
for i in range(np.shape(array)[0]):
invest_aspect = ((array[i,0] + array[i,3])/2 - array[i,2]) + ((array[i,0] + array[i,3])/2 - array[i,1])
invest_aspect = round(invest_aspect, 3)*100
spec_aspect = (array[i,3] - array[i-1,3])
spec_aspect = round(spec_aspect, 3)*100
tension_aspect = (array[i,1] - array[i,2])
tension_aspect = round(tension_aspect, 3)*50-2
optimism_aspect = (array[i,3] - array[i,0])
optimism_aspect = round(optimism_aspect, 3)*100
isto_array[i, 0] = invest_aspect
isto_array[i, 1] = spec_aspect
isto_array[i, 2] = tension_aspect
isto_array[i, 3] = optimism_aspect
return isto_array
class candle_emotion:
def __init__(self, name, number, k_growth, k_acceleration):
self.name = name
self.number = number
self.k_growth = k_growth
self.k_acceleration = k_acceleration
#print(k_acceleration)
def process(self, isto_array, emotion_array, acceleration_array):
emotion_array2 = np.copy(emotion_array)
acceleration_array2 = np.copy(acceleration_array)
for i in range(260):
acceleration_array[i+1][self.number] = (acceleration_array[i][self.number] +
+ isto_array[i][self.number] * self.k_acceleration * 0.01 + 0.1)/1.2
if acceleration_array[i+1][self.number] < 0:
acceleration_array[i+1][self.number] = 0
elif acceleration_array[i+1][self.number] > 1:
acceleration_array[i+1][self.number] = 1
emotion_array[i+1][self.number] = (emotion_array[i][self.number] +
+ isto_array[i][self.number] * self.k_growth * 0.01 + 0.1 +
+ (acceleration_array[i][self.number] * 0.2-0.1))/1.2
#+ 0)/1.2
#print(acceleration_array[i][self.number] * 0.1-0.05)
if emotion_array[i+1][self.number] < 0:
emotion_array[i+1][self.number] = 0
elif emotion_array[i+1][self.number] > 1:
emotion_array[i+1][self.number] = 1
return emotion_array, acceleration_array
def final_isto (isto_array):
emotion_array = np.zeros((260, 4))
acceleration_array = np.zeros((260, 4))
emotion_array = np.insert(emotion_array, 0, 0.5, axis=0)
acceleration_array = np.insert(acceleration_array, 0, 0.5, axis=0)
invest_emotion = candle_emotion('invest_demand', 0, 4, 2)
spec_emotion = candle_emotion('spec_emotion', 1, 2, 4)
tension_emotion = candle_emotion('tension_emotion', 2, 4, 2)
optimism_emotion = candle_emotion('optimism_emotion', 3, 4, -2)
emotion_array, acceleration_array = invest_emotion.process(isto_array, emotion_array, acceleration_array)
emotion_array, acceleration_array = spec_emotion.process(isto_array, emotion_array, acceleration_array)
emotion_array, acceleration_array = tension_emotion.process(isto_array, emotion_array, acceleration_array)
emotion_array, acceleration_array = optimism_emotion.process(isto_array, emotion_array, acceleration_array)
return emotion_array
def plot_it(close_list):
fig, ax = plt.subplots()
ax.plot([x for x in range (len(close_list))], close_list);
def prepare_candles(open_list, high_list, low_list, close_list):
date_list = []
for i in range (260):
date_list.append(i)
my_array = np.array([open_list, high_list, low_list, close_list])
my_array = np.transpose(my_array)
my_array = my_array.reshape(1, 1040)
my_array_list = my_array.tolist()
#print(my_array_list)
my_array = np.array(my_array_list)
my_array = my_array.reshape(260, 4)
#строим график
df = pd.DataFrame(my_array, columns = ['open', 'high', 'low', 'close'])
df.insert(loc=0, column='date', value=date_list)
return df
def plot_isto(emotion_array):
fig, ax = plt.subplots(figsize=(10, 5))
ax.plot(emotion_array[211:261,0], label = 'invest')
ax.plot(emotion_array[211:261,1], label = 'speculative')
ax.plot(emotion_array[211:261,2], label = 'tension')
ax.plot(emotion_array[211:261,3], label = 'optimism')
ax.legend()
plt.show()
def support_levels(close_list):
cnt = Counter()
for numbers in close_list:
cnt[numbers] +=1
result = dict(cnt)
result = sorted(result.items(), key=lambda x:x[1], reverse=True)
return (dict(result[0:3]))
def calculate_k(likelihood_dict1, likelihood_dict2, emotion_array):
k = 0
k1 = (likelihood_dict1['uptrend']*(-0.4) + likelihood_dict1['downtrend']*0.4 + likelihood_dict1['upburst']*(-0.8) +
+ likelihood_dict1['downburst']*0.6 + likelihood_dict1['stagnation']*(-0.6) + likelihood_dict1['rebound_lately']*1 +
+ likelihood_dict1['correction_lately']*(-0.8) + likelihood_dict1['up_and_calm']*(-0.6) + likelihood_dict1['down_and_calm']*1 +
+ likelihood_dict1['down_and_up']*0.4 + likelihood_dict1['up_and_down']*(-0.2)) / 100
k2 = (likelihood_dict2['uptrend']*(-0.2) + likelihood_dict2['downtrend']*0.2 + likelihood_dict2['upburst']*(-0.6) +
+ likelihood_dict2['downburst']*0.2 + likelihood_dict2['stagnation']*0 + likelihood_dict2['rebound_lately']*1 +
+ likelihood_dict2['correction_lately']*(-1) + likelihood_dict2['up_and_calm']*(-0.6) + likelihood_dict2['down_and_calm']*0.8 +
+ likelihood_dict2['down_and_up']*0.6 + likelihood_dict2['up_and_down']*(-0.4)) / 100
k3 = (emotion_array[260, 0] * 0.8 + emotion_array[260, 1] * (-1) + emotion_array[260, 2] * (-0.2) + emotion_array[260, 3] * 0.4) * 4
k = k1 + k2 + k3
return k1, k2, k3, k
def anomaly_eval (price_array, timeframe1, timeframe2):
high_list = price_array[1]
low_list = price_array[2]
#average for timeframe1
short_high_list = high_list[-timeframe1-1:-1]
short_low_list = low_list[-timeframe1-1:-1]
change_list = [short_high_list[i] - short_low_list[i] for i in range (len(short_high_list))]
average_change = sum(change_list) / len(change_list)
#average for timeframe2
short_high_list_t2 = high_list[-timeframe2-1:-1]
short_low_list_t2 = low_list[-timeframe2-1:-1]
change_list_t2 = [short_high_list_t2[i] - short_low_list_t2[i] for i in range (len(short_high_list_t2))]
average_change_t2 = sum(change_list_t2) / len(change_list_t2)
#anomaly aret calculation
anomaly_rate = average_change_t2 / average_change
return anomaly_rate