Hi,

I would like to know what is the easiest way to compile two or more set of
vectors or data frame, according to their index. They are interrelated to
one another by their assigned index. for example:

#data set 1
abc
#output:
  X403   X408   X410   X415   X418   X419   X420   X423   X424   X425
X426   X427
549.58 541.91 544.18 549.37 555.54 540.83 543.26 544.26 546.85 548.98
553.10 556.49
  X428
543.57

#data set2
def
#output:
 X401   X402   X404   X405   X406   X407   X409   X411   X412   X413   X414
  X416
528.46 524.15 527.18 526.04 533.71 537.79 536.80 532.38 517.14 529.32
523.29 539.58
 X417   X421   X422   X429
535.38 532.68 515.28 523.10

Both are numeric values and have indeces above each of the numbers which
referring to X401 to X429 indices. I would like to combine both by sorting
X401, X402,X403 and so on. Could somebody please help me before I waste my
time using excel to do this. Thanks!

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