Hiding NA's when printing a dataframe in knitr

You can set the knitr option knitr.kable.na = '' '' for blanks, or whatever character you want.

```{r echo=FALSE, results='asis'}    options(knitr.kable.NA = '')    knitr::kable(lowerTri, digits=2)```

r knitr na xtable

The trick I use is a bit brute-force, but it appears to work (in my use-cases, that is):

out <- knitr::kable(...)cat(gsub('\\bNA\\b', '  ', out), sep='\n')

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