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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="A datavisualization tool that leads you from your data to the graphic you need." content="">
<meta name="Yan Holtz & Conor Healy" content="">
<title>About the Data to Viz Project</title>
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<section class="" id="head" style="padding-bottom: 0px">
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<h2 class="section-heading text-uppercase">about data to viz</h2>
<h3 class="section-subheading text-muted">How and why we built the project</h3>
<p>
<a class="btn btn-primary js-scroll-trigger" href="#presentation" >Presentation</a>
<a class="btn btn-primary js-scroll-trigger" href="#tools" >Tools</a>
<a class="btn btn-primary js-scroll-trigger" href="#history" >History</a>
<a class="btn btn-primary js-scroll-trigger" href="#acknowledgment" >Acknowledgment</a>
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<br>
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<p><a href="https://www.data-to-viz.com">From Data to Viz</a> is a classification of chart types based on input data format. It comes in the form of a decision tree leading to a set of potentially appropriate visualizations to represent the dataset.</p>
<p>The project is built on two underlying philosophies. <i>First</i>, that most data analysis can be summarized in about twenty different dataset formats. <i>Second</i>, that both data and context determine the appropriate chart.</p>
</div>
<div class="col-lg-4">
<p>Thus, our suggested method consists in identifying and trying all feasible chart types to find out which suits your data and idea best.</p>
<p>Once this set of graphics is identified, <a href="https:///www.data-to-viz.com">data-to-viz.com</a> aims to guide you toward the best decision. It also provides a list of common caveats to avoid and always provides a reproducible code snippet in the <a href="https://www.r-graph-gallery.com">R programming language</a>.</p>
</div>
<div class="col-lg-4">
<p>Dataviz is a world with endless possibilities and this project does not claim to be exhaustive. However, it should provide you with a good starting point.</p>
<center><img src="img/logo/tree-s.png" style="width:55%; height:55%"></center>
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<h3 class="section-subheading text-muted">How is built this website?</h3>
<br>
</div>
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<div class="col-lg-4 col-md-6 text-center">
<h2 class="text-uppercase" style="border-bottom: solid; border-width: 1px">Website</h2>
<p style="color: grey">Data to viz is based on a <a href="https://startbootstrap.com/template-overviews/agency/">bootstrap template</a> and hosted on <a href="https://github.com/holtzy/data_to_viz">github</a>. Logos, trees and poster have been made by <a href="http://www.conor.fr">Conor Healy</a> and animated using CSS and <a href="https://d3js.org">D3.js</a>.</p>
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<h2 class="text-uppercase" style="border-bottom: solid; border-width: 1px">Content</h2>
<p style="color: grey">The vast majority of the pages of this website are built using <a href="https://rmarkdown.rstudio.com">R Markdown</a> with the <a href="https://www.rstudio.com">R studio</a> IDE. Dataset used in example are all listed in this <a href="https://github.com/holtzy/data_to_viz/tree/master/Example_dataset">github repository</a>.</p>
</div>
<div class="col-lg-4 col-md-6 text-center">
<h2 class="text-uppercase" style="border-bottom: solid; border-width: 1px">Graphics</h2>
<p style="color: grey">All analysis are made using the <a href="https://www.tidyverse.org">tidyverse</a>, notably <a href="https://dplyr.tidyverse.org">dplyr</a> and <a href="https://www.r-graph-gallery.com/portfolio/ggplot2-package/">ggplot2</a>. Interactive graphics are made using <a href="https://www.htmlwidgets.org/">html widgets</a>, notably <a href="https://plot.ly/">plotly</a> and its <a href="https://www.r-graph-gallery.com/interactive-charts/">ggplotly</a> function.</p>
</div>
</div>
</div>
</div>
</section>
<!-- --------------------------- History ------------------------------------------------------------------- -->
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<div class="col-lg-12 text-center">
<h2 class="section-heading text-uppercase">Graphic classification history</h2>
<h3 class="section-subheading text-muted">From data to viz is not the first project aiming to classify the different form of data visualization. Here is a quick overview of this history:.</h3>
</div>
</div>
<div class="slideshow-container">
<div class="mySlides">
<center><img src="img/history/Anne_K-Ermy_guide.png" style="height:400px"></center>
<div style="text-align: center; margin-top:10px">2017 | <a href="http://annkemery.com/portfolio/your-guide-to-great-graphs/">Your guide to great graphs</a> by <i>Ann K. Emery</i> is a two pages poster that outlines 42 great graphs that showcase trends over time, by geography, and more. Note that an <a href="http://annkemery.com/essentials/">interactive version</a> is available.</div>
</div>
<div class="mySlides">
<center><img src="img/history/chartguide.jpg" style="height:400px"></center>
<div style="text-align: center; margin-top:10px">2016 | <a href="http://chart.guide/news/">The chart guide</a> by <i>Michiel Dullaert</i>. Initially created to help students choose the right chart.</div>
</div>
<div class="mySlides">
<center><img src="img/history/Visual-vocabulary.png" style="height:400px"></center>
<div style="text-align: center; margin-top:10px">2015 | <a href="https://github.com/ft-interactive/chart-doctor/tree/master/visual-vocabulary">The visual vocabulary</a> by the <i>Financial Times Visual Journalism Team</i>. Aims to assist designers and journalists to select the optimal symbology for data visualisations. A interactive version is also <a href="http://ft-interactive.github.io/visual-vocabulary/">available</a>.</div>
</div>
<div class="mySlides">
<center><img src="img/history/the-graphic-continuum.jpg" style="height:400px"></center>
<div style="text-align: center; margin-top:15px">2014 | <a href="https://policyviz.com/2014/09/09/graphic-continuum/">The graphic continuum</a> by <i>John Swabish</i> and <i>Severinno Ribecca</i>. Described as a view of the many different types of visualizations available to us when we encode and present data. This poster got a <a href="https://www.informationisbeautifulawards.com/">Information Is Beautiful</a> award.</div>
</div>
<div class="mySlides">
<center><img src="img/history/classification-chart-types.png" style="height:400px"></center>
<div style="text-align: center; margin-top:10px">2013 | <a href="http://excelcharts.com/classification-chart-types/">A classification of chart types</a> by <i>Jorge Camoes</i>. This classification includes only charts that can be made using excel.</div>
</div>
<div class="mySlides">
<center><img src="img/history/infography1.png" style="height:400px"></center>
<div style="text-align: center; margin-top:15px">2006 | <a href="http://extremepresentation.typepad.com/blog/2006/09/choosing_a_good.html">The Chart Chooser</a> by <i>Dr. Abela</i>. A simple representation that is part of the <a href="https://extremepresentation.com/">extreme presentation method</a>. This representation has been criticized by <a href="https://www.perceptualedge.com/blog/?p=2080">Stephen Few</a>, and discussed by many people in the comment section.</div>
</div>
<div class="mySlides">
<center><img src="img/poster/poster_screenshot.png" style="height:400px"></center>
<div style="text-align: center; margin-top:10px">2018 | <a href="https://www.data-to-viz.com">From data to viz</a> by <i>Yan Holtz</i> and <i>Conor Healy</i> is a new approach aiming to classify chart types according to their input format. </div>
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<a class="prev" onclick="plusSlides(-1)">❮</a>
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<!-- --------------------------- ACKNOWLEDGMENT ------------------------------------------------------------------- -->
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<div class="col-lg-2 text-center"></div>
<div class="col-lg-8 text-center">
<br><br><br>
<h2 class="section-heading text-uppercase" style="color: black">Acknowledgment</h2>
<h3 class="section-subheading text-muted">This project would not exist without several blogs and website I consult on a daily basis. Even if they are not necessarily cited as sources, they are an essential source of inspiration.</h3>
<br>
</div>
</div>
<div class="row">
<div class="col-lg-4">
<h3 style="border-bottom: solid; border-width: 1px; padding-bottom: 5px; margin-bottom: 20px">Websites</h3>
<ul>
<li><a href="http://r4ds.had.co.nz">R for Data Science</a> by <i>Garrett Grolemund</i> and <i>Hadley Wickham</i>.</li><br>
<li><a href="https://www.visualcinnamon.com">Visual Cinnamon.com</a> by <i>Nadieh Bremer</i></li><br>
<li><a href="http://www.storytellingwithdata.com">Story telling with data</a> by <i>Cole Nussbaumer Knaflic</i></li><br>
<li><a href="https://www.r-bloggers.com">R Bloggers</a> by <i>Tal Galili</i></li><br>
<li><a href="http://truth-and-beauty.net">Truth and Beauty</a> by <i>Moritz Stefaner</i></li><br>
<li><a href="https://blog.datawrapper.de">Chartable</a> by <i>Datawrapper</i>, especially the <a href="https://blog.datawrapper.de/category/thoughts-how-to-s/">what to consider when</a> section by <i>Lisa Charlotte Rost</i></li><br>
<li><a href="https://www.informationisbeautifulawards.com">Information is beautiful</a> by so many talented people</li><br>
<li><a href="http://viz.wtf">WTF visualizations</a> for inspiration</li><br>
<li><a href="http://www.visualisingdata.com">Visualising data</a> by <i>Andy Kirk</i></li><br>
<li><a href="http://flowingdata.com">Flowing data</a> by <i>Nathan Yau</i></li><br>
</ul>
</div>
<div class="col-lg-4">
<h3 style="border-bottom: solid; border-width: 1px; padding-bottom: 5px; margin-bottom: 20px">R packages</h3>
<ul>
<li>dplyr, tidyr and others from the <a href="https://www.tidyverse.org">tidyverse</a> for data preparation</li><br>
<li><a href="https://ggplot2.tidyverse.org/">ggplot2</a> for the vast majority of the graphics, together with the <a href="https://github.com/hrbrmstr/hrbrthemes">hrbrtheme</a> for styling</i></li><br>
<li><a href="https://github.com/thomasp85/patchwork">patchwork</a> to put graphics together</li><br>
<li><a href="https://github.com/thomasp85/ggraph">ggraph</a> and igraph for most of the network related graphics</li><br>
<li><a href="https://www.r-graph-gallery.com/interactive-charts/">plotly</a> and other <a href="https://www.htmlwidgets.org">html widgets</a> for interactive graphics</li><br>
<li><a href="https://rmarkdown.rstudio.com">R Markdown</a> to build 95% of the website, together with this <a href="https://holtzy.github.io/Pimp-my-rmd/">list of tips</a>.</li><br>
<li><a href="https://github.com/cran/RColorBrewer">RColorBrewer</a> and <a href="https://github.com/sjmgarnier/viridis">viridis</a> and colormap to control color in charts.</li><br>
<li><a href="https://github.com/slowkow/ggrepel">Ggrepel</a> and other <a href="http://www.ggplot2-exts.org/gallery/">ggplot2 extension</a> that make your life simpler.</li><br>
<li><a href="https://github.com/talgalili/heatmaply">Heatmaply</a> for most of the heatmaps</li><br>
</ul>
</div>
<div class="col-lg-4">
<h3 style="border-bottom: solid; border-width: 1px; padding-bottom: 5px; margin-bottom: 20px">People</h3>
<ul>
<li>Feedbacks and encouragements: <i>M. <a href="https://www.linkedin.com/in/mélanie-doffagne-6404b775/">Doffagne</a>, G. <a href="https://www.linkedin.com/in/guilhem-marre-42132b28/">Marre</a>, T. <a href="https://www.linkedin.com/in/thibaut-deplanche/?locale=en_US">Déplanche</a>, A. Courtiol, V. <a href="https://sites.google.com/site/ranwez/">Ranwez</a>, M. <a href="http://masalmon.eu">Salmon</a></i> </li><br>
<li>Web knowledge: <i>G. <a href="https://www.linkedin.com/in/guillaume-debreu-7b360b125/">Debreu</a></i></li><br>
<li>Website building: <i>T. <a href="https://github.com/hipyhop">Luff</a></i></li><br>
<li>Text and general advices: <i>C. <a href="https://researchers.uq.edu.au/researcher/15031">Bradley</a>.</i><br>
<li>Multiple pull requests for english correction: <i>M. <a href="https://www.linkedin.com/in/mcsamuel/">Samuel</a>.</i><br>
</ul>
</div>
</div>
</div>
</section>
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<script src="js/agency.min.js"></script>
<!-- Activate the bootstrap tooltip, must be after jQuery load -->
<script>
$(function () {
$('[data-toggle="tooltip"]').tooltip()
})
</script>
<!-- Script for animated portfolio with filter. Found here: https://codepen.io/pramodkumarboda/pen/XdgxmQ -->
<script>
$(window).load(function(){
var $container = $('.portfolioContainer');
$container.isotope({
filter: '*',
animationOptions: {
duration: 750,
easing: 'linear',
queue: false
}
});
$('.portfolioFilter a').click(function(){
$('.portfolioFilter .current').removeClass('current');
$(this).addClass('current');
var selector = $(this).attr('data-filter');
$container.isotope({
filter: selector,
animationOptions: {
duration: 750,
easing: 'linear',
queue: false
}
});
return false;
});
});
</script>
<!-- Script to give a specific URL to every Modal. TODO: improve it with https://stackoverflow.com/questions/34154370/bootstrap-3-x-how-to-have-url-change-upon-clicking-modal-trigger -->
<script>
$(document).ready(function(){
$(window.location.hash).modal('show');
$('a[data-toggle="modal"]').click(function(){
window.location.hash = $(this).attr('href');
});
});
$('button[data-dismiss="modal"]').click(function(){
var original = window.location.href.substr(0, window.location.href.indexOf('#'))
history.replaceState({}, document.title, original);
});
$(window.location.hash).modal('show');
$('a[data-toggle="modal"]').click(function(){
window.location.hash = $(this).attr('href');
});
function revertToOriginalURL() {
var original = window.location.href.substr(0, window.location.href.indexOf('#'))
history.replaceState({}, document.title, original);
}
$('.modal').on('hidden.bs.modal', function () {
revertToOriginalURL();
});
</script>
<script>
$('.tip').each(function () {
$(this).tooltip(
{
html: true,
title: $('#' + $(this).data('tip')).html()
});
});
</script>
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-79254642-3"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-79254642-3');
</script>
<script>
var getOutboundLink = function(url) {
gtag('event', 'click', {
'event_category': 'outbound',
'event_label': url,
'transport_type': 'beacon',
'event_callback': function(){document.location = url;}
});
}
</script>
<!----------------------------------------------------------------------------------------------- -->
</body>
</html>