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[英]TypeError: unsupported operand type(s) for +: 'numpy.ndarray' and 'str'
[英]TypeError: unsupported operand type(s) for -: 'str' and 'numpy.ndarray'
我遇到了min()max()和str
和numpy.ndarray
。 我收到此錯誤:
TypeError: unsupported operand type(s) for -: 'str' and 'numpy.ndarray'
我懷疑問題haHigh0
在定義haUpLeg0
的行中的haUpLeg0
,我很樂意提供有關如何糾正的任何輸入。 我已經通過堆棧查看了一些類似的問題,但是似乎無法解決此問題。
數據:
Date Time Open High Low Close Volume Ticker
02/01/2015 14:30 79.52 79.73 79.52 79.71 10841 DVY
02/01/2015 14:31 79.6999 79.6999 79.61 79.67 1426 DVY
02/01/2015 14:32 79.69 79.7 79.69 79.7 800 DVY
02/01/2015 14:33 79.7 79.759 79.7 79.759 1158 DVY
02/01/2015 14:34 79.747 79.747 79.73 79.73 1125 DVY
02/01/2015 14:35 79.73 79.73 79.71 79.71 301 DVY
02/01/2015 14:36 79.8 79.82 79.75 79.82 7818 DVY
02/01/2015 14:37 79.82 79.83 79.778 79.82 6985 DVY
碼:
mkt_data = index_data[['Date', 'Time', 'Open', 'High', 'Low', 'Close', 'Volume']]
open0 = mkt_data['Open'] #
high0 = mkt_data['High'] #
low0 = mkt_data['Low'] #
close0 = mkt_data['Close'] #
date0 = mkt_data['Date'] #
time0 = mkt_data['Time'] #
ticker0 = index_data['Ticker'] #
close1 = mkt_data['Close'].shift(1) #
open1 = mkt_data['Open'].shift(1) #
high1 = mkt_data['High'].shift(1) #
low1 = mkt_data['Low'].shift(1) #
high2 = mkt_data['High'].shift(2) #
low2 = mkt_data['Low'].shift(2) #
close2 = mkt_data['Close'].shift(2) #
open2 = mkt_data['Open'].shift(2) #
close3 = mkt_data['Close'].shift(3) #
open3 = mkt_data['Open'].shift(3) #
haClose2 = (open2 + high2 + low2 + close2) / 4 #
haOpen2 = (close3 + open3) / 2 #
haClose1 = (open1 + high1 + low1 + close1) / 4 #
haOpen1 = (haClose2 + haOpen2) / 2 #
haHigh1 = max('high1', 'haOpen1', 'haClose1') #
haLow1 = min('low1', 'haOpen0', 'haClose1') #
haClose0 = (open0 + high0 + low0 + close0) / 4 #
haOpen0 = (haClose1 + haOpen1) / 2 #
haHigh0 = max('high0', 'haOpen0', 'haClose0') #
haLow0 = min('low0', 'haOpen0', 'haClose0') #
haUpLeg0 = (haHigh0 - haClose0) / (close1) #
在底部附近,您似乎開始交替使用變量名和字符串,例如:
haClose1 = (open1 + high1 + low1 + close1) / 4 #
haOpen1 = (haClose2 + haOpen2) / 2 #
haHigh1 = max('high1', 'haOpen1', 'haClose1') #
haLow1 = min('low1', 'haOpen0', 'haClose1') #
您可能想繼續使用變量:
haClose1 = (open1 + high1 + low1 + close1) / 4 #
haOpen1 = (haClose2 + haOpen2) / 2 #
haHigh1 = max(high1, haOpen1, haClose1) #
haLow1 = min(low1, haOpen0, haClose1) #
等等
就是說,您收到一個TypeError,因為-
(和+
等)是str
和numpy.ndarray
之間不受支持的操作數類型-您不能從另一個中減去(或添加一個)。
如果您嘗試在以下三個值中找到最大值-high0,haOpen0,haClose0-您可以這樣做
max(max(high0),max(haOpen0),max(haClose0))
我認為您不應在變量名稱周圍使用引號。 'high0'是一個字符串,但是high0是一個熊貓系列。
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