How do you put on a big table of xtable the table header on each page?, So that is easier to read the table the table between pages.

I use the following in Sweave:

```
test.big<- xtable(test,label="table",caption='test')
align(test.big) <- "|c|c|c|c|l|c|c|c|"
print(test.big,tabular.environment='longtable',include.colnames = TRUE,floating=FALSE)

```

Thanks for your answers