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30 lines
749 B
ReStructuredText
30 lines
749 B
ReStructuredText
.. py:currentmodule:: hikyuu.indicator
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.. highlightlang:: python
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TA-Lib 包装
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============
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由于内建指标还不完整，在交互工具里对TA-Lib进行了包装，命名方式统一为 TA_FUNC名称。其中，ta-lib指标的lookback属性，用discard属性代替。
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::
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x = TA_SMA(CLOSE(k))
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print(x)
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x.plot()
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print(x.discard)
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个别的Ta-Lib函数需要两个数组参数，比如BETA、CORREL。此时需要利用特殊的 Indicator WEAVE 将两个数组包装到一个 ind 对象中。
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::
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query = Query(-200)
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k1 = sm['sh000001'].getKData(query)
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k2 = sm['sz000001'].getKData(query)
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w = WEAVE(CLOSE(k1))
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w = w(CLOSE(k2))
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print(w.getResultNumber())
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cr = TA_CORREL(w)
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cr.plot()
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