0
所以我有一个DataFrame
与几千行包含人工外汇交易数据。前十行是这样的:大数据集上的循环次优
我想遍历这个集合,并为每一行,计算CommonCurrency
在这种情况下将是美元。因此,对于每一行,我走在CurrencyPair
,DeskRate
和OrderQty
列和计算CommonCurrency
:
for i in range(len(order_data)):
if (order_data['CurrencyPair'][i] == 'GBP/USD'):
order_data['CommonCurrency'][i] = order_data['DeskRate'][i] *
order_data['OrderQty'][i]
elif (order_data['CurrencyPair'][i] == 'AUD/USD'):
order_data['CommonCurrency'][i] = order_data['DeskRate'][i] *
order_data['OrderQty'][i]
elif (order_data['CurrencyPair'][i] == 'EUR/USD'):
order_data['CommonCurrency'][i] = order_data['DeskRate'][i] *
order_data['OrderQty'][i]
elif (order_data['CurrencyPair'][i] == 'USD/CHF'):
order_data['CommonCurrency'][i] = order_data['DeskRate'][i]/
order_data['OrderQty'][i]
elif (order_data['CurrencyPair'][i] == 'EUR/GBP'):
order_data['CommonCurrency'][i] = #different calculation
这似乎并不喜欢做的正确的方式,特别是没有如果有大量不同的货币对。我遇到的另一个问题是,当我到达EUR/GBP
时,因为现在我必须同时获得DeskRate
和EUR/USD
,我看不出如何使用此方法。
任何提示?