python version for tdx zig function
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代码
# coding: utf-8
"""
Created on Sat Jan 05 18:53:39 2019
http://www.pianshen.com/article/363258879/
@author: duanqs
"""
import numpy as np
import tushare as ts
import matplotlib.pyplot as plt
ZIG_STATE_START = 0
ZIG_STATE_RISE = 1
ZIG_STATE_FALL = 2
def zig(x=0.055):
#ts.set_token("此处放入tushare的token！！！")
#pro = ts.pro_api()
#df = pro.daily(ts_code="603297.SH")
# print(list(df["close"]))
# df = ts.get_hist_data('000069')
# df = df[::-1]
# 获取股票交易数据的Tushare的使用方法 - 蜗牛爬行ing - 博客园
# https://www.cnblogs.com/DreamRJF/p/8660630.html
# posted on 2018-03-28 15:18 蜗牛爬行ing
#df = ts.get_k_data('000069')
# df = ts.get_k_data('600535')
# df = ts.get_k_data('512040') # 富国国信价值 etf 基金
# df = ts.get_h_data('000051', index=True) # 上证180等权指数 index 参数必须指定为True
df = ts.get_k_data('000051', index=True, start='2011-01-01') # 上证180等权指数 index 参数必须指定为True
#df = ts.get_h_data('399106', index=True) # index 参数必须指定为True
#df = ts.get_h_data('399106', index=True) #深圳综合指数
#df = ts.get_k_data('399106', index=True) #深圳综合指数
# df = ts.get_k_data('931052', index=True) # 中证国信价值指数， 不支持的指数
# df = ts.get_k_data('hs300') # 支持主要的几个股票指数的历史行情
# 股票代码，即6位数字代码，或者指数代码
# （sh=上证指数 sz=深圳成指 hs300=沪深300指数
# sz50=上证50 zxb=中小板 cyb=创业板）
#df = df.reset_index(drop=True)
# df = df.iloc[-100:]
#x = 0.055
k = df["close"]
#d = df["trade_date"]
d = df['date']
# d = df.index
#print(k)
#print(d)
# 循环前的变量初始化
# 端点 候选点 扫描点 端点列表 拐点线列表 趋势状态
peer_i = 0
candidate_i = None
scan_i = 0
peers = [0]
z = np.zeros(len(k))
state = ZIG_STATE_START
while True:
#print(peers)
scan_i += 1
if scan_i == len(k) - 1:
# 扫描到尾部
if candidate_i is None:
peer_i = scan_i
peers.append(peer_i)
else:
if state == ZIG_STATE_RISE:
if k[scan_i] >= k[candidate_i]:
peer_i = scan_i
peers.append(peer_i)
else:
peer_i = candidate_i
peers.append(peer_i)
peer_i = scan_i
peers.append(peer_i)
elif state == ZIG_STATE_FALL:
if k[scan_i] <= k[candidate_i]:
peer_i = scan_i
peers.append(peer_i)
else:
peer_i = candidate_i
peers.append(peer_i)
peer_i = scan_i
peers.append(peer_i)
break
if state == ZIG_STATE_START:
if k[scan_i] >= k[peer_i] * (1 + x):
candidate_i = scan_i
state = ZIG_STATE_RISE
elif k[scan_i] <= k[peer_i] * (1 - x):
candidate_i = scan_i
state = ZIG_STATE_FALL
elif state == ZIG_STATE_RISE:
if k[scan_i] >= k[candidate_i]:
candidate_i = scan_i
elif k[scan_i] <= k[candidate_i]*(1-x):
peer_i = candidate_i
peers.append(peer_i)
state = ZIG_STATE_FALL
candidate_i = scan_i
elif state == ZIG_STATE_FALL:
if k[scan_i] <= k[candidate_i]:
candidate_i = scan_i
elif k[scan_i] >= k[candidate_i]*(1+x):
peer_i = candidate_i
peers.append(peer_i)
state = ZIG_STATE_RISE
candidate_i = scan_i
#线性插值， 计算出zig的值
for i in range(len(peers) - 1):
peer_start_i = peers[i]
peer_end_i = peers[i+1]
start_value = k[peer_start_i]
end_value = k[peer_end_i]
a = (end_value - start_value)/(peer_end_i - peer_start_i)# 斜率
for j in range(peer_end_i - peer_start_i +1):
z[j + peer_start_i] = start_value + a*j
print(u'...转向点的阀值、个数、位置和日期...')
print(x, len(peers))
print(peers)
dates = [d[i] for i in peers]
print(dates)
#print([k[i] for i in peers])
#print(list(k))
#print(list(z))
plt.plot(z)
zig(x=0.055)
结果
...转向点的阀值、个数、位置和日期...
(0.055, 71)
[0, 18, 38, 101, 111, 153, 196, 208, 230, 313, 321, 331, 344, 374, 420, 459, 488, 513, 576, 598, 613, 645, 660, 675, 697, 744, 887, 888, 893, 902, 952, 959, 973, 974, 985, 995, 996, 1002, 1005, 1007, 1013, 1016, 1030, 1037, 1045, 1049, 1085, 1097, 1114, 1140, 1154, 1157, 1189, 1220, 1342, 1364, 1429, 1449, 1575, 1607, 1628, 1638, 1654, 1732, 1745, 1784, 1792, 1801, 1823, 1853, 1855]
[u'2011-05-24', u'2011-06-20', u'2011-07-18', u'2011-10-21', u'2011-11-04', u'2012-01-05', u'2012-03-13', u'2012-03-29', u'2012-05-07', u'2012-08-31', u'2012-09-12', u'2012-09-26', u'2012-10-22', u'2012-12-03', u'2013-02-08', u'2013-04-15', u'2013-05-29', u'2013-07-08', u'2013-10-14', u'2013-11-13', u'2013-12-04', u'2014-01-20', u'2014-02-17', u'2014-03-10', u'2014-04-10', u'2014-06-19', u'2015-01-16', u'2015-01-19', u'2015-01-26', u'2015-02-06', u'2015-04-27', u'2015-05-07', u'2015-05-27', u'2015-05-28', u'2015-06-12', u'2015-06-29', u'2015-06-30', u'2015-07-08', u'2015-07-13', u'2015-07-15', u'2015-07-23', u'2015-07-28', u'2015-08-17', u'2015-08-26', u'2015-09-09', u'2015-09-15', u'2015-11-11', u'2015-11-27', u'2015-12-22', u'2016-01-28', u'2016-02-24', u'2016-02-29', u'2016-04-14', u'2016-05-30', u'2016-11-29', u'2016-12-29', u'2017-04-11', u'2017-05-10', u'2017-11-13', u'2017-12-27', u'2018-01-26', u'2018-02-09', u'2018-03-12', u'2018-07-05', u'2018-07-24', u'2018-09-17', u'2018-09-28', u'2018-10-18', u'2018-11-19', u'2019-01-02', u'2019-01-04']
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