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R: Combining vectors or data frames of unequal length into one data frame

Today I will treat a problem I encounter every once in a while. Let’s suppose we have several dataframes or vectors of unequel length but with partly matching column names,  just like the following...

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R: Zip fastener for two data frames / combining rows or columns of two...

Sometimes I find it useful to merge two data frames like the following ones   X1 X2 X3 X4 Y1 Y2 Y3 Y4 1  o  o  o  o X X X X 2  o  o  o  o X X X X 3  o  o  o  o X X X X by using zip feeding either along...

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