inst/app-visualize/helper/ggbibar.R

In xplorerr: Tools for Interactive Data Exploration

ggbibar <- function(data, x, y, stacked = TRUE, horizontal = FALSE,
                    yaxlimit = FALSE, y1 = NA, y2 = NA, theme = "Default",
                    title = NULL, xlab = NULL, ylab = NULL, sub = NULL,
                    title_col = 'black', title_vjust = 0.5,
                    title_fam = 'serif', title_face = 'plain', 
                    title_size = 10, title_hjust = 0.5, 
                    sub_col = 'black', sub_fam = 'serif', sub_face = 'plain', 
                    sub_size = 10, sub_hjust = 0.5, sub_vjust = 0.5,
                    xax_col = 'black', xax_fam = 'serif', 
                    xax_face = 'plain', xax_size = 10, 
                    xax_hjust = 0.5, xax_vjust = 0.5,
                    yax_col = 'black', yax_fam = 'serif', 
                    yax_face = 'plain', yax_size = 10, 
                    yax_hjust = 0.5, yax_vjust = 0.5,
                    remove_xax = FALSE, remove_yax = FALSE,
                    add_text = FALSE, xloc = NA, yloc = NA, 
                    label = NA, tex_color = NA, tex_size = NA) {
  
  if (stacked) {
    posit <- 'stack'
  } else {
    posit <- 'dodge'
  }
  
  p <- ggplot(data, aes_string(x)) +
    geom_bar(aes_string(fill = y), position = posit)
  
  if (horizontal) {
    p <- p + coord_flip()
  }
  
  if (yaxlimit) {
    p <- p + ylim(y1, y2)
    p
  }
  
  p <- p + ggtitle(title) + xlab(xlab) + ylab(ylab) +
    theme(
      plot.title = element_text(color = title_col, family = title_fam,
                                face = title_face, size = title_size, hjust = title_hjust,
                                vjust = title_vjust),
      axis.title.x = element_text(color = xax_col, family = xax_fam,
                                  face = xax_face, size = xax_size, hjust = xax_hjust,
                                  vjust = xax_vjust),
      axis.title.y = element_text(color = yax_col, family = yax_fam,
                                  face = yax_face, size = yax_size, hjust = yax_hjust,
                                  vjust = yax_vjust)
    )
  
  
  if(remove_xax) {
    p <- p + theme(
      axis.title.x = element_blank()
    )
    p
  }
  
  if(remove_yax) {
    p <- p + theme(
      axis.title.y = element_blank()
    )
    p
  }
  
  if(add_text) {
    p <- p + annotate("text", x = xloc, y = yloc, label = label, 
                      color = tex_color, size = tex_size)
    p
  }
  
  if (theme == "Classic Dark") {
    p <- p + theme_bw()
  } else if (theme == "Light") {
    p <- p + theme_light()
  } else if (theme == "Minimal") {
    p <- p + theme_minimal()
  } else if (theme == "Dark") {
    p <- p + theme_dark()
  } else if (theme == "Classic") {
    p <- p + theme_classic()
  } else if (theme == "Empty") {
    p <- p + theme_void()
  }
  
  p

}

ggbibar(mtcars, 'cyl', 'gear', horizontal = TRUE, stacked = FALSE)