C:/Users/ADMINI~1/AppData/Local/Pandoc/pandoc 3.utf8.md --to latex --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash-implicit_figures --output 3.pdf --template D:\R-3.1.0\1\library\rmarkdown\rmd\latex\default.tex --highlight-style tango --latex-engine pdflatex --variable geometry:margin=1in
output file: 3.knit.md
! Package inputenc Error: Unicode char \u8:第 not set up for use with LaTeX.
See the inputenc package documentation for explanation.
Type H <return> for immediate help.
...
l.98 \section{第二章R语言作业}
Try running pandoc with --latex-engine=xelatex.
pandoc.exe: Error producing PDF from TeX source
Error: pandoc document conversion failed with error 43
In addition: There were 25 warnings (use warnings() to see them)
Execution halted[s:12][s:12][s:12][s:12][s:12]