_global_options.Rmd

```{r, include=FALSE}
knitr::opts_chunk$set(fig.width=7, fig.height=6, fig.align="center", fig.pos="!htb", out.width = "70%",
               cache=TRUE, cache.path='cache/',
               echo=TRUE, warning=FALSE, message=FALSE)
fig.path <- "images/"
# fig.path <- ""

# funciones auxiliares
  # Rmd, Bookdown
    # rmd.lines <- function(l = 1) paste0("<br> \vspace{0.5cm}") #cat(rep("<br>", l)) # 0.5*l
    is_latex <- function(...) knitr:::is_latex_output(...)
    is_html <- function(...) knitr:::is_html_output(...)
    # Rmd code:
    inline <- function(x = "") paste0("`` `r ", x, "` ``")
    inline2 <- function(x = "") paste0("`r ", x, "`")
  # Citas
    # Figuras:
    # paste0("\\@ref(fig:", "media-dt-conocida", ")")   
    # labs <- c("fig1", "fig2")
    # paste0("\\@ref(fig:", labs, ")")  
    # list <- c("fig1", "fig2")
    # paste0("\\@ref(fig:", list, ")")   
    # paste0("\\@ref(fig:", list, ")", collapse = ", ")   
    # citefig("fig1", "fig2")
    citefig <- function(..., text = "(ver ") {
      x <- list(...)
      paste0(text, if(length(x)>1) "figuras: " else "Figura ", 
        paste0("\\@ref(fig:", x, ")", collapse = ", "),
        ")")
    }  
    citefig2 <- function(...) {
      x <- list(...)
      paste0(if(length(x)>1) "[Figuras: " else "[Figura ", 
        paste0("\\@ref(fig:", x, ")", collapse = ", "),
        "]")
    }  
    latexfig <- function(..., output = is_latex()) #  output = TRUE) 
      if (output) citefig2(...) else ""
  # Citas Paquetes:
    citepkg <- function(x, url = paste0("https://CRAN.R-project.org/package=", x))
      paste0("[`", x, "`](", url, ")")
      # paste0("[`", x, "`](https://cran.r-project.org/web/packages/", x, "/index.html)")
    citepkgs <- function(pkgs) paste(sapply(pkgs, citepkg), collapse = ", ")    
```