我有一個框架的樣子:如何合併兩個數據框與MultiIndex?
2015-12-30 2015-12-31
300100 am 1 3
pm 3 2
300200 am 5 1
pm 4 5
300300 am 2 6
pm 3 7
和其他框架的樣子
2016-1-1 2016-1-2 2016-1-3 2016-1-4
300100 am 1 3 5 1
pm 3 2 4 5
300200 am 2 5 2 6
pm 5 1 3 7
300300 am 1 6 3 2
pm 3 7 2 3
300400 am 3 1 1 3
pm 2 5 5 2
300500 am 1 6 6 1
pm 5 7 7 5
現在我想將兩幀合併,並在合併後的框架中是這樣的:
2015-12-30 2015-12-31 2016-1-1 2016-1-2 2016-1-3 2016-1-4
300100 am 1 3 1 3 5 1
pm 3 2 3 2 4 5
300200 am 5 1 2 5 2 6
pm 4 5 5 1 3 7
300300 am 2 6 1 6 3 2
pm 3 7 3 7 2 3
300400 am 3 1 1 3
pm 2 5 5 2
300500 am 1 6 6 1
pm 5 7 7 5
我試過pd.merge(frame1,frame2,right_index = True,left_index = True),但它返回的不是所需的格式。誰能幫忙?謝謝!
什麼是'frame1.index'和'frame2.index'?輸出有什麼問題? – jezrael
frame1.index是MultiIndex(levels = [[300100.0,300200.0,300300.0],['am','pm']], labels = [[0,-1,1,-1,2,-1], [0,1,0,1,0,1]]) – Steven
frame2.index是MultiIndex(levels = [[300100.0,300200.0,300300.0,300400.0,300500.0],['am','pm']], 標籤= [[0,1,1,-1,2,-1,3,-1,4,-1],[0,1,0,1,0,1,0,1,0,1] ])。部分輸出看起來像2016-02-01 00:00:00_x 2016-02-02 00:00:00_x \ 300100.0 am 1 3 300200.0 am 5 1 300300.0 am 2 6 – Steven