**80**wrote:

Dear All, I do not have much experience with R and I need your help.

I have a data from like this:

1_1 A B C D

1_2 a b c d

2_1 E F G H

2_2 e f g h

3_1 I J K L

3_2 i j k l

I want to combine each tow rows like this

1 A a B b C c D d

2 E e F f G g H h

3 I i J j K k L l

How can I do this?

Thanks in advance

**90**• written 6.0 years ago by Tohamy •

**80**

Given the initial 6x4 matrix, do you want a 3x4 or a 3x8 matrix output? That's rather ambiguous from your presentation. I assume you want the latter, but perhaps not.

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