我想在我的(ohlcv)数据框中添加一个名为bullTrend的新列,该数据框基于两列的先前值:
True
False
数据集:
timestamp open high low close volume ema
0 1591162860000 9490.0 9489.5 9489.5 9489.5 1.0 9489.500000
1 1591162920000 9489.5 9490.0 9490.0 9490.0 406.0 9489.751250
2 1591162980000 9490.0 9490.0 9490.0 9490.0 488.0 9489.834997
3 1591163040000 9490.0 9497.0 9489.5 9489.5 12798.0 9489.749988
4 1591163100000 9489.5 9497.0 9489.0 9497.0 1866.0 9491.229134
.. ... ... ... ... ... ... ...
495 1591192560000 9524.5 9524.5 9524.0 9524.5 1727.0 9564.513010
496 1591192620000 9524.5 9524.5 9523.0 9523.0 179978.0 9564.097058
497 1591192680000 9523.0 9524.0 9523.0 9524.0 582.0 9563.695321
498 1591192740000 9524.0 9523.0 9523.0 9523.0 2.0 9563.287617
499 1591192800000 9523.0 9524.0 9523.0 9524.0 1324.0 9562.894044
列的示例:
bullTrend
0 NaN
1 NaN
2 NaN
3 NaN
4 True
.. ...
495 True
496 True
497 False
498 False
499 False
这应该起作用:
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