usepackage

header-includes:
- usepackage{float}  #use the 'float' package
- floatplacement{figure}{H} #make every figure with caption = H
output:
  bookdown::pdf_book:
    fig_caption: yes
    fig_crop: false
    df_print: kable
    includes:
      in_header: preamble.tex
    latex_engine: xelatex
    keep_tex: yes
fontsize: 11pt
linestretch: 1.5
toc-depth: 1
secnumdepth: 1
lof: True
lot: True
site: bookdown::bookdown_site
documentclass: book
classoption: openany
bibliography: [packages.bib, book.bib]
biblio-style: apalike
link-citations: True
geometry: "left=2.5cm, right=2.5cm, top=2.5cm, bottom=2.5cm"
---
    
book_filename: "_Project2019"
delete_merged_file: true
before_chapter_script: "script1.R"
rmd_files: ["index.Rmd", "01-intro.Rmd", "02-EDA.Rmd", "03-method.Rmd"]
documentclass: book
language:
  label:
    fig: "Figure"
    tab: "Table"
    
bookdown::pdf_book:
  latex_engine: xelatex
  citation_package: natbib
  keep_tex: yes
  fig_width: 6
  fig_height: 4.5
  fig_crop: false
  fig_caption: true
  df_print: kable
    
usepackage{booktabs}
usepackage[none]{hyphenat}
usepackage{float}
usepackage[belowskip=-5pt,aboveskip=0pt]{caption}
letorigfigurefigure
letendorigfigureendfigure
renewenvironment{figure}[1][2] {
    expandafterorigfigureexpandafter[H]
} {
    endorigfigure
}
pagestyle{plain}