(Writing my comment up into a proper answer)
In the call to xtable
, you can specify various alignment arguments, one of which is a parbox
of a fixed width in which text will be wrapped. That is specified with p{1in}
where the value specified within the braces is how wide the box (column) will be. You have to manually specify this (rather than have it adapt to the available space), but it does give you one option for wrapping text.