我想創建一個數據幀的列表,其中每個數據幀是3個較大的數據幀。創建切片數據幀的列表
dframes = [df[0:3], df[3:6],...,df[2000:2003]]
我仍然相當新的節目,爲什麼:
x = 3
dframes = []
for i in range(0, len(df)):
dframes = dframes.append(df[i:x])
i = x
x = x + 3
dframes = dframes.append(df[i:x])
AttributeError: 'NoneType' object has no attribute 'append'
只要使用'dframes.append(DF〔Ⅰ:X] )'ins tead'dframes = dframes.append(df [i:x])' – AndMar