Adiciona preambulo.

.gitignore

@@ -13,6 +13,8 @@ README.html
 *.snm
 *.tex
 *.vrb
+slides/*.pdf
+!preamble.tex
 
 ## Core latex/pdflatex auxiliary files:
 *.aux
@@ -30,6 +32,7 @@ README.html
 ## Intermediate documents:
 *.dvi
 *-converted-to.*
+
 ## Build tool auxiliary files:
 *.fdb_latexmk
 *.synctex

slides/config/preamble.tex

+%-----------------------------------------------------------------------
+
+\usepackage[math, light]{iwona}
+% \usepackage{cmbright}
+% \usepackage[charter]{mathdesign}
+% \usepackage{palatino}
+
+% \usepackage[sfdefault, light, condensed]{roboto}
+% \usepackage[default, light]{sourcesanspro}
+
+% \usepackage[default]{lato}
+% \AtBeginDocument{\fontseries{l}\selectfont} % Lato Light.
+
+% Font for code. ----------------------------
+% \usepackage[scaled=.75]{beramono}
+\usepackage{inconsolata}
+% \usepackage[scaled]{ulgothic}
+
+%-----------------------------------------------------------------------
+
+% \usepackage{lmodern}
+\usepackage{amssymb, amsmath}
+% \usepackage{ifxetex, ifluatex}
+\usepackage{fixltx2e} % provides \textsubscript
+\usepackage[utf8]{inputenc}
+\usepackage[shorthands=off,main=brazil]{babel}
+\usepackage{graphicx}
+
+\usepackage{xcolor}
+\usepackage{setspace}
+\usepackage{xspace}
+
+
+\setlength{\parindent}{0pt}
+\setlength{\parskip}{6pt plus 2pt minus 1pt}
+\setlength{\emergencystretch}{3em}  % prevent overfull lines
+\providecommand{\tightlist}{%
+  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
+\setcounter{secnumdepth}{0}
+
+%-----------------------------------------------------------------------
+
+\usepackage[hang]{caption}
+\captionsetup{font=footnotesize,
+  labelfont=footnotesize,
+  labelsep=period}
+\usepackage{subfig}
+
+\providecommand{\tightlist}{%
+  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
+
+%-----------------------------------------------------------------------
+
+\usepackage{tikz}
+\usebackgroundtemplate{
+  \tikz[overlay, remember picture]
+  \node[% opacity=0.3,
+        at=(current page.south east),
+        anchor=south east,
+        inner sep=0pt] {
+          \includegraphics[height=\paperheight, width=\paperwidth]{config/ufpr-fundo-4x3.jpg}};
+}
+
+%-----------------------------------------------------------------------
+% Definições de esquema de cores.
+
+% Ubuntu.
+% http://www.color-hex.com/color-palette/2018
+\definecolor{mycolor1}{HTML}{5E2750} % Título.
+\definecolor{mycolor2}{HTML}{333333} % Texto.
+\definecolor{mycolor3}{HTML}{DD4814} % Estrutura.
+\definecolor{mycolor4}{HTML}{DD4814} % Links.
+\definecolor{mycolor5}{HTML}{AEA79F} % Preenchimentos.
+
+\hypersetup{
+  colorlinks=true,
+  linkcolor=mycolor4,
+  urlcolor=mycolor1,
+  citecolor=mycolor1
+}
+
+%-----------------------------------------------------------------------
+% ATTENTION: http://www.cpt.univ-mrs.fr/~masson/latex/Beamer-appearance-cheat-sheet.pdf
+
+\usetheme{Boadilla}
+\usecolortheme{default}
+
+\setbeamertemplate{caption}[numbered]
+\setbeamertemplate{caption label separator}{: }
+\setbeamertemplate{caption}[numbered]{}
+\setbeamertemplate{section in toc}[sections numbered]
+\setbeamertemplate{subsection in toc}[subsections numbered]
+\setbeamertemplate{sections/subsections in toc}[ball]{}
+\setbeamertemplate{blocks}[rounded]
+\setbeamertemplate{navigation symbols}{}
+\setbeamertemplate{frametitle continuation}{\gdef\beamer@frametitle{}\vspace*{1ex}}
+% \setbeamertemplate{frametitle}[default][center]
+% \setbeamertemplate{footline}[frame number]
+
+\setbeamertemplate{enumerate items}[default]
+\setbeamertemplate{itemize items}{\scriptsize\raise1.25pt\hbox{\donotcoloroutermaths$\blacktriangleright$}}
+
+% Rodapé.
+\setbeamercolor{title in head/foot}{parent=subsection in head/foot}
+\setbeamercolor{author in head/foot}{bg=mycolor4, fg=white}
+\setbeamercolor{date in head/foot}{parent=subsection in head/foot, fg=mycolor3}
+
+% Cabeçalho.
+\setbeamercolor{section in head/foot}{bg=mycolor2, fg=mycolor4}
+\setbeamercolor{subsection in head/foot}{bg=mycolor2, fg=white}
+
+\setbeamercolor{title}{fg=mycolor1}       % Título dos slides.
+\setbeamercolor{titlelike}{fg=title}
+\setbeamercolor{subtitle}{fg=mycolor2}    % Subtítulo.
+\setbeamercolor{institute}{fg=mycolor3}   % Instituição.
+\setbeamercolor{frametitle}{fg=mycolor1}  % De quadro.
+\setbeamercolor{structure}{fg=mycolor3}   % Listas e rodapé.
+\setbeamercolor{item projected}{bg=mycolor2}
+\setbeamercolor{block title}{bg=mycolor5, fg=mycolor2}
+\setbeamercolor{normal text}{fg=mycolor2} % Texto.
+\setbeamercolor{caption name}{fg=normal text.fg}
+
+% To remove empty brackets of \institution.
+\makeatletter
+\setbeamertemplate{footline}{
+  \leavevmode%
+  \hbox{%
+    \begin{beamercolorbox}[
+      wd=0.3\paperwidth, ht=2.25ex, dp=1ex, right]{author in head/foot}%
+      \usebeamerfont{author in head/foot}\insertshortauthor{}\hspace*{1ex}
+    \end{beamercolorbox}%
+    \begin{beamercolorbox}[
+      wd=0.6\paperwidth, ht=2.25ex, dp=1ex, left]{title in head/foot}%
+      \usebeamerfont{title in head/foot}\hspace*{1ex}\insertshorttitle{}
+      % \usebeamerfont{title in head/foot}\hspace*{1ex}\insertframetitle{}
+    \end{beamercolorbox}%
+    \begin{beamercolorbox}[
+      wd=0.1\paperwidth, ht=2.25ex, dp=1ex, right]{date in head/foot}%
+      \insertframenumber{}\hspace*{2ex}
+    \end{beamercolorbox}
+  }%
+  \vskip0pt%
+}
+\makeatother
+
+%-----------------------------------------------------------------------
+% Knitr.
+
+% R output e todo verbatim.
+\makeatletter
+\def\verbatim@font{\linespread{0.9}\normalfont\ttfamily\footnotesize}
+% \def\verbatim@font{\linespread{0.3}\normalfont\ttfamily\tiny}
+\makeatother
+
+%-----------------------------------------------------------------------
+
+\newcommand{\mytwocolumns}[4]{
+  % #1: Line width fraction for the left column , e.g. 0.5.
+  % #2: Line width fraction for the right column.
+  % #3: Content for the left column.
+  % #4: Content for the right column.
+  \begin{columns}[t]
+    \begin{column}{#1\linewidth} %----------- left.
+      #3
+    \end{column} %--------------------------- left.
+    \begin{column}{#2\linewidth} %----------- right.
+      #4
+    \end{column} %--------------------------- right.
+  \end{columns}
+}
+
+\newcommand{\hi}[1]{%
+  \textcolor{mycolor4}{#1}\xspace
+}
+
+%-----------------------------------------------------------------------
+
+\author[Walmes Zeviani $\cdot$ DEST/UFPR]{
+  \href{http://leg.ufpr.br/~walmes}{Prof.~Walmes Zeviani}\\
+  {\small \url{walmes@ufpr.br}}
+}
+
+\institute[DEST/UFPR]{
+  {Laboratório de Estatística e Geoinformação}\\
+  {Departamento de Estatística}\\
+  {Universidade Federal do Paraná}}
+
+% \logo{\includegraphics[height=5em]{/home/walmes/Projects/templates/COMMON/leg.png}}
+% \logo{\includegraphics[height=5em]{/home/walmes/Projects/templates/COMMON/ufpr.jpg}}
+
+%-----------------------------------------------------------------------