计算Python / Pandas中两行之间的差异

我认为您想做这样的事情：

In [26]: dataOut[26]: Date   Close  Adj Close251  2011-01-03  147.48     143.25250  2011-01-04  147.64     143.41249  2011-01-05  147.05     142.83248  2011-01-06  148.66     144.40247  2011-01-07  147.93     143.69In [27]: data.set_index('Date').diff()Out[27]:  Close  Adj CloseDate  2011-01-03    NaN        NaN2011-01-04   0.16       0.162011-01-05  -0.59      -0.582011-01-06   1.61       1.572011-01-07  -0.73      -0.71