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我有兩個數據集;數據集1和數據集2。如何合併多個xts數據幀到單個數據幀
dataset1
DayofWeek EMA GOOG.Close
2015-10-15 Thurs 7.85 UP
2015-10-16 Fri 8.00 DOWN
2015-10-19 Mon 8.18 UP
2015-10-20 Tues 5.39 DOWN
2015-10-21 Wed 2.38 DOWN
2015-10-22 Thurs 1.98 UP
2015-10-23 Fri 9.25 DOWN
2015-10-26 Mon 14.29 UP
2015-10-27 Tues 15.52 UP
2015-10-28 Wed 15.93 UP
2015-10-29 Thurs 15.79 UP
2015-10-30 Fri 13.83 DOWN
和
dataset2
DayofWeek EMA AAPL.Close
2015-10-15 Thurs 0.26 UP
2015-10-16 Fri 0.18 DOWN
2015-10-19 Mon 0.23 UP
2015-10-20 Tues 0.55 UP
2015-10-21 Wed 0.69 DOWN
2015-10-22 Thurs 0.99 UP
2015-10-23 Fri 1.64 UP
2015-10-26 Mon 1.31 DOWN
2015-10-27 Tues 0.95 DOWN
2015-10-28 Wed 1.41 UP
2015-10-29 Thurs 1.76 UP
2015-10-30 Fri 1.69 DOWN
我想合併這兩個數據集1和dataset2得到一個新的dataset3這樣
dataset3
DayofWeek EMA Close
2015-10-15 Thurs 7.85 UP
2015-10-16 Fri 8.00 DOWN
2015-10-19 Mon 8.18 UP
2015-10-20 Tues 5.39 DOWN
2015-10-21 Wed 2.38 DOWN
2015-10-22 Thurs 1.98 UP
2015-10-23 Fri 9.25 DOWN
2015-10-26 Mon 14.29 UP
2015-10-27 Tues 15.52 UP
2015-10-28 Wed 15.93 UP
2015-10-29 Thurs 15.79 UP
2015-10-30 Fri 13.83 DOWN
2015-10-15 Thurs 0.26 UP
2015-10-16 Fri 0.18 DOWN
2015-10-19 Mon 0.23 UP
2015-10-20 Tues 0.55 UP
2015-10-21 Wed 0.69 DOWN
2015-10-22 Thurs 0.99 UP
2015-10-23 Fri 1.64 UP
2015-10-26 Mon 1.31 DOWN
2015-10-27 Tues 0.95 DOWN
2015-10-28 Wed 1.41 UP
2015-10-29 Thurs 1.76 UP
2015-10-30 Fri 1.69 DOWN
我怎樣才能做到這一點?
請使用'dput'來顯示數據。你有沒有試過'?merge'?你可以檢查[這裏](http://stackoverflow.com/questions/28075555/merging-xts-objects) – akrun
嘗試像這樣'merged.data < - 合併(數據集[[1]],數據集[[2]] )'數據集被保存在列表中。 'merged.data'顯示這個'[1] DayofWeek EMA GOOG.Close AAPL.Close <0 rows>(或0長度row.names)'' – Eka