inst/doc/latex_fdt.R

In fdth: Frequency Distribution Tables, Histograms and Polygons

## ----setup, include=FALSE-----------------------------------------------------
knitr::opts_chunk$set(
  results = "asis",
  echo = TRUE,
  comment = NA,
  tidy.opts = list(width.cutoff = 72)
)

## ----tab, message=FALSE, warning=FALSE----------------------------------------
library(fdth)
library(xtable)
set.seed(123)

t1 <- fdt(rnorm(n = 1e3,
                mean = 10,
                sd = 2),
          x.round = 3)

t1x <- xtable(t1)
t1x

## ----print-default------------------------------------------------------------
print(t1x,
      include.rownames = FALSE,
      sanitize.text.function = function(x) x)

## ----dashv--------------------------------------------------------------------
newclass <- gsub("[$\\\\[\\\\)$]",
                 "",
                 t1x[, 1],
                 perl = TRUE)
t3x <- t1x
t3x[, 1] <- newclass

print(t3x,
      include.rownames = FALSE,
      sanitize.text.function = function(x)
        gsub(",", "$\\\\dashv$", x),
      table.placement = "H")

## ----two-decimals-------------------------------------------------------------
clim <- t1$table[1]
clim1 <- sapply(clim, as.character)
right <- t1$breaks[4]
pattern <- "%05.2f"

clim2 <- make.fdt.format.classes(clim1,
                                 right,
                                 pattern)
clim3 <- sapply(clim2,
                function(x) paste0("$", x, "$"))
t4x <- t1x
t4x[, 1] <- clim3

print(t4x,
      include.rownames = FALSE,
      sanitize.text.function = function(x) x)

## ----fdt-multiple-------------------------------------------------------------
t5 <- fdt(iris[, c(1:2, 5)],
          by = "Species")
attr(t5, "subheadings") <- paste0("Variable = ",
                                  names(t5))
print(xtable(t5),
      table.placement = "H")

## ----fdt-multiple-long--------------------------------------------------------
t51 <- xtable(t5)
print(t51,
      table.placement = "H",
      include.rownames = FALSE,
      sanitize.text.function = function(x) x,
      tabular.environment = "longtable",
      floating = FALSE)

## ----fdt-cat-one--------------------------------------------------------------
set.seed(321)
t6 <- fdt_cat(sample(LETTERS[1:3],
                     replace = TRUE,
                     size = 30))

t6x <- xtable(t6)
print(t6x,
      table.placement = "H",
      include.rownames = FALSE)


t61 <- fdt_cat(data.frame(c1 = sample(LETTERS[1:3],
                                      replace = TRUE,
                                      size = 10),
                          c2 = sample(letters[4:5],
                                      replace = TRUE,
                                      size = 10),
                          stringsAsFactors = TRUE))

t61x <- xtable(t61)
print(t61x,
      table.placement = "H",
      include.rownames = FALSE)


## ----fdt-cat-multi------------------------------------------------------------
set.seed(654)
t62 <- fdt_cat(data.frame(c1 = sample(LETTERS[1:3],
                                     replace = TRUE,
                                     size = 20),
                          c2 = sample(letters[4:6],
                                      replace = TRUE,
                                      size = 20),
                          stringsAsFactors = TRUE))
attr(t62, "subheadings") <- paste0("Variable = ",
                                   names(t62))
print(xtable(t62),
      table.placement = "H")

## ----custom-digits------------------------------------------------------------
print(xtable(t1,
             auto = FALSE,
             digits = c(0,
                        0,
                        0,
                        3,
                        2,
                        0,
                        2)),
      include.rownames = FALSE,
      sanitize.text.function = function(x) x,
      table.placement = "H")

## ----portuguese-header--------------------------------------------------------
portugueseT <- c("Intervalo de classes",
                 "f",
                 "fr",
                 "fr(%)",
                 "fa",
                 "fa(%)")
t7 <- t1$table
names(t7) <- portugueseT
t71 <- list(table = t7,
            breaks = t1$breaks)
class(t71) <- "fdt"
t7x <- xtable(t71)

print(t7x,
      table.placement = "H",
      include.rownames = FALSE,
      sanitize.text.function = function(x) x)