[Tex/LaTex] Merge single cells in LyX table without ERT

lyxtables

Basically, I want to merge single cells in a LyX table without using ERT (hopefully) to get something similar to:

Table example

To clarify, cells of Headline 1 and 2 are merged vertically and Headline 3 horizontally.

Thank you.

Best Answer

I found the answer myself.

In Windows, select cells in question > Right click > "More..." > "Multicolumn" or "Multirow".

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