library(texPreview)
tex_opts$set(
returnType = 'html',
opts.html = list(width = '50%', height = '50%')
)read the lines in the tex file
tex_file <- system.file('examples/toy/toy.tex',package = 'texPreview')
readLines(tex_file)
#> [1] "\\begin{tabular}{cccc}" "\\toprule" "C1 & C2 & C3 & C4\\\\"
#> [4] "\\midrule" "a & c & 1 & 1\\\\" "a & c & 2 & 1\\\\"
#> [7] "a & c & 3 & 1\\\\" "a & c & 4 & 0\\\\" "a & c & 5 & 0\\\\"
#> [10] "\\addlinespace" "a & c & 6 & 1\\\\" "a & c & 7 & 1\\\\"
#> [13] "a & d & 8 & 0\\\\" "a & d & 9 & 0\\\\" "a & d & 10 & 0\\\\"
#> [16] "\\addlinespace" "b & c & 11 & 0\\\\" "b & c & 12 & 0\\\\"
#> [19] "b & d & 13 & 1\\\\" "b & d & 14 & 1\\\\" "b & d & 15 & 0\\\\"
#> [22] "\\bottomrule" "\\end{tabular}"convert lines into knitr_kable
kbl <- tex_file |>
texPreview::as.kable()
use kableExtra to manipulate the table and preview
kbl |>
kableExtra::collapse_rows(columns = 1:2,
latex_hline = "major",
valign = "middle") |>
texPreview::tex_preview()
plot of chunk unnamed-chunk-6